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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Specifications >> Specifications >> Fastener Specifications

Fastener Specifications

GM5573236Courtesy of GENERAL MOTORS COMPANY
Cylinder Head - Left Side

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Cylinder Head Gasket Yes - - Cylinder Head Replacement - Left Side (L84) , or
Cylinder Head Replacement - Left Side (L87) .
2 Cylinder Head Bolt Yes - Cylinder Head - Left Side Bolt Sequence  Cylinder Head Replacement - Left Side (L84) , or
Cylinder Head Replacement - Left Side (L87) .
3 Cylinder Head Bolt [ 9x ] Yes - Cylinder Head - Left Side Bolt Sequence  Cylinder Head Replacement - Left Side (L84) , or
Cylinder Head Replacement - Left Side (L87) .
4 Valve Stem Oil Seal [ 8x ] Yes - - Cylinder Head Overhaul
5 Valve Rocker Arm Pivot Support Bolt [ 8x ] - - 30 N.m (22 lb-ft) Valve Rocker Arm and Push Rod Replacement - Left Side (L84) , or
Valve Rocker Arm and Push Rod Replacement - Left Side (L87) .
6 Valve Rocker Arm Cover Gasket Yes - - Valve Rocker Arm Cover Replacement - Left Side (L84) , or
Valve Rocker Arm Cover Replacement - Left Side (L87) .
7 Valve Rocker Arm Cover Bolt [ 9x ] - - Valve Rocker Arm Cover - Left Side Bolt Sequence  Valve Rocker Arm Cover Replacement - Left Side (L84) , or
Valve Rocker Arm Cover Replacement - Left Side (L87) .
8 Valve Rocker Arm Cover Insulator Retainer [ 3x ] - - 9 N.m (80 lb/in) Valve Rocker Arm Cover Replacement - Left Side (L84) , or
Valve Rocker Arm Cover Replacement - Left Side (L87) .
GM5573243Courtesy of GENERAL MOTORS COMPANY
Cylinder Head - Right Side

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Cylinder Head Gasket Yes - - Cylinder Head Replacement - Right Side (L84) , or
Cylinder Head Replacement - Right Side (L87) .
2 Cylinder Head Bolt [ 10x ] Yes - Cylinder Head - Right Side Bolt Sequence  Cylinder Head Replacement - Right Side (L84) , or
Cylinder Head Replacement - Right Side (L87) .
3 Valve Stem Oil Seal [ 8x ] Yes - - Cylinder Head Overhaul
4 Valve Rocker Arm Pivot Support Bolt [ 8x ] - - 30 N.m (22 lb-ft) Valve Rocker Arm and Push Rod Replacement - Right Side
5 Valve Rocker Arm Cover Gasket Yes - - Valve Rocker Arm Cover Replacement - Right Side
6 Valve Rocker Arm Cover Insulator Retainer [ 3x ] - - 9 N.m (80 lb/in) Valve Rocker Arm Cover Replacement - Right Side
7 Valve Rocker Arm Cover Bolt [ 10x ] - - Valve Rocker Arm Cover - Right Side Bolt Sequence  Valve Rocker Arm Cover Replacement - Right Side
Fig 1: Exploded View Of Engine Accessories Components
GM5573231Courtesy of GENERAL MOTORS COMPANY
Engine Accessories and Components

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Oil Level Indicator Tube Bolt - - 10 N.m (89 lb/in) Oil Level Indicator Tube Replacement
2 Belt Idler Pulley - - 58 N.m (43 lb-ft) Belt Idler Pulley Replacement
3 Belt Idler Pulley Bracket Bolt [ 3x ] - - 58 N.m (43 lb-ft) Belt Idler Pulley Bracket Replacement
4 Engine Wiring Harness Bolt [ 2x ] - - 10 N.m (89 lb/in) Valve Rocker Arm Oil Control Valve Extension Harness Replacement (L84) , or
Valve Rocker Arm Oil Control Valve Extension Harness Replacement (L87) .
5 Oil Level Indicator Tube Seal Yes - - Oil Level Indicator Tube Replacement
Fig 2: Exploded View Of Engine Block Components
GM5573245Courtesy of GENERAL MOTORS COMPANY
Engine Block and Components

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Block Valley Cover Gasket Yes - - Engine Block Valley Cover Replacement (L84) , or
Engine Block Valley Cover Replacement (L87) .
2 Drive Motor Oil Filler Hole Plug - - 30 N.m (22 lb-ft) Engine Block Valley Cover Replacement (L84) , or
Engine Block Valley Cover Replacement (L87) .
3 Engine Block Valley Cover Bolt [ 9x ] - - Engine Block Valley Cover Bolt Sequence  Engine Block Valley Cover Replacement (L84) , or
Engine Block Valley Cover Replacement (L87) .
4 Valve Lifter Follower Guide Bolt - - 12 N.m (106 lb/in) Valve Lifter Follower Guide Replacement (L84) , or
Valve Lifter Follower Guide Replacement (L87) .
5 Valve Lifter Follower Guide Bolt [ 4x ] - - 12 N.m (106 lb/in) Valve Lifter Guide Replacement - Left Side (L84) , or
Valve Lifter Guide Replacement - Left Side (L87) .
Valve Lifter Guide Replacement - Right Side (L84) , or
Valve Lifter Guide Replacement - Right Side (L87) .
6 Piston Pin Retainer [ 16x ] Yes - - Piston and Connecting Rod Overhaul
7 Connecting Rod Bolt [ 16x ] Yes - First Pass: 20 N.m (15 lb-ft)
Final Pass: 85 degrees
Piston and Connecting Rod Removal and Installation
8 Engine Block Oil Gallery Plug Seal Yes - - Engine Block Overhaul
9 Crankshaft Bearing Cap Bolt - Side [ 10x ] Yes - Crankshaft Bearing Cap Bolt - Side Sequence  Crankshaft and Bearing Removal and Installation
10 Engine Block Coolant Drain Hole Plug - - 30 N.m (22 lb-ft) Engine Block Overhaul
11 Engine Block Oil Gallery Plug [ 2x ] - - 30 N.m (22 lb-ft) Engine Block Overhaul
12 Crankshaft Bearing Cap Bolt- Outer- Outer Yes - Crankshaft Bearing Cap Bolt - Inner and Outer Side Sequence  Crankshaft and Bearing Removal and Installation
13 Crankshaft Bearing Cap Bolt- Inner [ 10x ] Yes - Crankshaft Bearing Cap Bolt - Inner and Outer Side Sequence  Crankshaft and Bearing Removal and Installation
GM5297905Courtesy of GENERAL MOTORS COMPANY
Engine Mount - Left Side at Frame

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Mount Frame Side Bolt- Left Side [ 3x ] - Yes Engine Mount Frame Side Bolt-Left Side Bolt Sequence  Engine Mount Replacement - Left Side
GM5028836Courtesy of GENERAL MOTORS COMPANY
Engine Mount - Left Side at Engine

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Mount Engine Side Bolt- Left Side [ 4x ] - Yes 65 N.m (48 lb-ft) Engine Mount Replacement - Left Side
GM5033661Courtesy of GENERAL MOTORS COMPANY
Engine Mount - Right Side at Frame

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Mount Frame Side Bolt- Right Side [ 3x ] - Yes Engine Mount Frame Side Bolt-Right Side Bolt Sequence  Engine Mount Replacement - Right Side
GM5035238Courtesy of GENERAL MOTORS COMPANY
Engine Mount - Right Side at Engine

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Mount Engine Side Bolt- Right Side [ 4x ] - Yes 65 N.m (48 lb-ft) Engine Mount Replacement - Right Side
GM5581818Courtesy of GENERAL MOTORS COMPANY
Engine Wiring Harness Bracket Bolt

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Wiring Harness Bracket Bolt - - 9 N.m (80 lb/in) Engine Replacement
Fig 3: Exploded View Of Engine Block Front Components
GM5573262Courtesy of GENERAL MOTORS COMPANY
Front of Engine Block

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Crankshaft Balancer Bolt Yes - First Pass: 80 N.m (59 lb-ft)
Final Pass: 125 degrees
Crankshaft Balancer Replacement (with RC1) , or
Crankshaft Balancer Replacement (with WTX) .
2 Crankshaft Front Oil Seal Yes - - Crankshaft Front Oil Seal Replacement (with RC1) , or
Crankshaft Front Oil Seal Replacement (with WTX) .
3 Engine Front Cover Bolt [ 2x ] - - Engine Front Cover Bolt Sequence  Engine Front Cover Replacement (L84 with RC1) , or
Engine Front Cover Replacement (L87 with RC1) , or
Engine Front Cover Replacement (L84 with WTX) , or
Engine Front Cover Replacement (L87 with WTX) .
4 Engine Front Cover Bolt [ 8x ] - - Engine Front Cover Bolt Sequence  Engine Front Cover Replacement (L84 with RC1) , or
Engine Front Cover Replacement (L87 with RC1) , or
Engine Front Cover Replacement (L84 with WTX) , or
Engine Front Cover Replacement (L87 with WTX) .
5 Oil Pump Bolt [ 4x ] - - Oil Pump Bolt Sequence  Oil Pump Replacement (L84 4WD with RC1 without F47) , or
Oil Pump Replacement (L84 2WD with RC1) , or
Oil Pump Replacement (L84 2WD with WTX) , or
Oil Pump Replacement (L84 4WD with WTX without F47) , or
Oil Pump Replacement (L87 4WD with RC1 without F47) , or
Oil Pump Replacement (L87 4WD with WTX without F47) , or
Oil Pump Replacement (L87 2WD with RC1) , or
Oil Pump Replacement (L87 2WD with WTX) , or
Oil Pump Replacement (L84 4WD with RC1 with F47) , or
Oil Pump Replacement (L84 4WD with WTX with F47) , or
Oil Pump Replacement (L87 4WD with RC1 with F47) , or
Oil Pump Replacement (L87 4WD with WTX with F47) .
6 Camshaft Position Actuator Solenoid Valve Yes - First Pass: 65 N.m (48 lb-ft)
Final Pass: 90 degrees
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with RC1, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with WTX, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 2WD with WTX) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with WTX, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 2WD with WTX) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with RC1, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with RC1, with F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with WTX, with F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with WTX, with F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with RC1, with F47) .
7 Camshaft Retainer Bolt [ 4x ] - Yes Camshaft Retainer Bolt Sequence  Camshaft Replacement (L84, 4WD with RC1, without F47) , or
Camshaft Replacement (L84, 4WD with WTX, without F47) , or
Camshaft Replacement (L84, 2WD with RC1) , or
Camshaft Replacement (L84, 2WD, with WTX) , or
Camshaft Replacement (L84, 4WD with RC1, with F47) , or
Camshaft Replacement (L84, 4WD with WTX, with F47) , or
Camshaft Replacement (L87, 2WD with RC1) , or
Camshaft Replacement (L87, 2WD with WTX) , or
Camshaft Replacement (L87, 4WD with WTX, with F47) , or
Camshaft Replacement (L87, 4WD with WTX, without F47) , or
Camshaft Replacement (L87, 4WD with RC1, without F47) , or
Camshaft Replacement (L87, 4WD with RC1, with F47) .
8 Timing Chain Tensioner Bolt [ 2x ] - - 25 N.m (18 lb-ft) Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with RC1, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with WTX, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 2WD with WTX) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with WTX, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 2WD with WTX) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with RC1, without F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with RC1, with F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with WTX, with F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L84, 4WD with WTX, with F47) , or
Timing Chain, Crankshaft Sprocket, Camshaft Position Actuator, and Solenoid Valve Replacement (L87, 4WD with RC1, with F47) .
GM5630715Courtesy of GENERAL MOTORS COMPANY
Heater Hose Clip Bracket Bolt

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Heater Hose Clip Bracket Bolt - - 9 N.m (80 lb/in) Valve Rocker Arm Cover Replacement - Right Side
GM5620579Courtesy of GENERAL MOTORS COMPANY
Heater Water Auxiliary Pump Bracket Bolt

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Heater Water Auxiliary Pump Bracket Bolt - Yes 22 N.m (16 lb-ft) Engine Removal and Installation (L84, 4WD, with WTX, without F47) , or
Engine Removal and Installation (L84, 2WD, with WTX, without F47) , or
Engine Removal and Installation (L84, 4WD, with RC1, without F47) , or
Engine Removal and Installation (L84, 2WD, with RC1, with F47) , or
Engine Removal and Installation (L84, 4WD, with RC1, with F47) , or
Engine Removal and Installation (L84, 4WD, with WTX, with F47) , or
Engine Removal and Installation (L84, 2WD, with WTX, with F47) , or
Engine Removal and Installation (L84, 2WD, with RC1, without F47) , or
Engine Removal and Installation (L87, 2WD, with RC1, with F47) , or
Engine Removal and Installation (L87, 4WD, with RC1, with F47) , or
Engine Removal and Installation (L87, 2WD, with RC1, without F47) , or
Engine Removal and Installation (L87, 4WD, with RC1, without F47) , or
Engine Removal and Installation (L87, 2WD, with WTX, with F47) , or
Engine Removal and Installation (L87, 4WD, with WTX, with F47) , or
Engine Removal and Installation (L87, 2WD, with WTX, without F47) , or
Engine Removal and Installation (L87, 4WD, with WTX, without F47) .
GM5570522Courtesy of GENERAL MOTORS COMPANY
Intake Manifold and Components

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Intake Manifold Cover Bolt - - 4.5 N.m (40 lb/in) Intake Manifold Cover Replacement
2 Intake Manifold Gasket [ 8x ] Yes - - Intake Manifold Replacement (L84) , or
Intake Manifold Replacement (L87) .
3 Intake Manifold Bolt [ 10x ] - Yes Intake Manifold Bolt Sequence  Intake Manifold Replacement (L84) , or
Intake Manifold Replacement (L87) .
Fig 4: Exploded View Of Oil Pan Components
GM5570525Courtesy of GENERAL MOTORS COMPANY
Oil Pan and Components

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Crankshaft Oil Deflector Bolt [ 10x ] - - 10 N.m (89 lb/in) Engine Oil Level Indicator Switch Replacement (4WD with RC1 without F47) , or
Engine Oil Level Indicator Switch Replacement (2WD with RC1) , or
Engine Oil Level Indicator Switch Replacement (2WD with WTX) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX without F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with RC1 with F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX with F47) .
2 Engine Oil Level Indicator Switch Bolt [ 2x ] - - 10 N.m (89 lb/in) Engine Oil Level Indicator Switch Replacement (4WD with RC1 without F47) , or
Engine Oil Level Indicator Switch Replacement (2WD with RC1) , or
Engine Oil Level Indicator Switch Replacement (2WD with WTX) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX without F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with RC1 with F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX with F47) .
3 Engine Oil Level Indicator Switch O-Ring Seal Yes - - Engine Oil Level Indicator Switch Replacement (4WD with RC1 without F47) , or
Engine Oil Level Indicator Switch Replacement (2WD with RC1) , or
Engine Oil Level Indicator Switch Replacement (2WD with WTX) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX without F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with RC1 with F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX with F47) .
4 Oil Pump Suction Pipe Bolt [ 2x ] - - - Oil Pan Replacement (4WD with RC1 without F47) , or
Oil Pan Replacement (2WD with RC1) , or
Oil Pan Replacement (2WD with WTX) , or
Oil Pan Replacement (4WD with WTX without F47) , or
Oil Pan Replacement (4WD with RC1 with F47) , or
Oil Pan Replacement (4WD with WTX with F47) .
5 Oil Pan High Pressure Port Seal [ 2x ] Yes - - Engine Oil Level Indicator Switch Replacement (4WD with RC1 without F47) , or
Engine Oil Level Indicator Switch Replacement (2WD with RC1) , or
Engine Oil Level Indicator Switch Replacement (2WD with WTX) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX without F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with RC1 with F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX with F47) .
6 Oil Pan Cover Gasket Yes - - Oil Pan Replacement (4WD with RC1 without F47) , or
Oil Pan Replacement (2WD with RC1) , or
Oil Pan Replacement (2WD with WTX) , or
Oil Pan Replacement (4WD with WTX without F47) , or
Oil Pan Replacement (4WD with RC1 with F47) , or
Oil Pan Replacement (4WD with WTX with F47) .
7 Oil Pan Cover Bolt [ 2x ] - - 10 N.m (89 lb/in) -
8 Oil Pan Bolt [ 2x ] - - Oil Pan Bolt Sequence  Oil Pan Replacement (4WD with RC1 without F47) , or
Oil Pan Replacement (2WD with RC1) , or
Oil Pan Replacement (2WD with WTX) , or
Oil Pan Replacement (4WD with WTX without F47) , or
Oil Pan Replacement (4WD with RC1 with F47) , or
Oil Pan Replacement (4WD with WTX with F47) .
9 Oil Filter Yes - 3/4 to 1 full turn after gasket makes contact with the sealing surface on the filter mounting flange Engine Oil and Oil Filter Replacement
10 Oil Pan Drain Plug - - 25 N.m (18 lb-ft) Engine Oil and Oil Filter Replacement
11 Oil Filter Fitting - - 55 N.m (41 lb-ft) Oil Filter Fitting Replacement
12 Oil Pan Bolt [ 14x ] - - Oil Pan Bolt Sequence  Oil Pan Replacement (4WD with RC1 without F47) , or
Oil Pan Replacement (2WD with RC1) , or
Oil Pan Replacement (2WD with WTX) , or
Oil Pan Replacement (4WD with WTX without F47) , or
Oil Pan Replacement (4WD with RC1 with F47) , or
Oil Pan Replacement (4WD with WTX with F47) .
13 Oil Pan Front Seal Yes - - Oil Pan Replacement (4WD with RC1 without F47) , or
Oil Pan Replacement (2WD with RC1) , or
Oil Pan Replacement (2WD with WTX) , or
Oil Pan Replacement (4WD with WTX without F47) , or
Oil Pan Replacement (4WD with RC1 with F47) , or
Oil Pan Replacement (4WD with WTX with F47) .
14 Engine Oil Level Switch Clip - - - Engine Oil Level Indicator Switch Replacement (4WD with RC1 without F47) , or
Engine Oil Level Indicator Switch Replacement (2WD with RC1) , or
Engine Oil Level Indicator Switch Replacement (2WD with WTX) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX without F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with RC1 with F47) , or
Engine Oil Level Indicator Switch Replacement (4WD with WTX with F47) .
GM5570526Courtesy of GENERAL MOTORS COMPANY
Rear of Engine

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Automatic Transmission Flex Plate Bolt [ 8x ] Yes Yes Automatic Transmission Flex Plate Bolt Sequence  Automatic Transmission Flex Plate Replacement (2WD) , or
Automatic Transmission Flex Plate Replacement (4WD) .
2 Crankshaft Rear Oil Seal Yes - - Crankshaft Rear Oil Seal Housing Replacement (2WD) , or
Crankshaft Rear Oil Seal Housing Replacement (4WD) .
3 Crankshaft Rear Oil Seal Housing Bolt [ 12x ] - - Crankshaft Rear Oil Seal Housing Bolt Sequence  Crankshaft Rear Oil Seal Housing Replacement (2WD) , or
Crankshaft Rear Oil Seal Housing Replacement (4WD) .
4 Crankshaft Rear Oil Seal Housing Gasket Yes - - Crankshaft Rear Oil Seal Housing Replacement (2WD) , or
Crankshaft Rear Oil Seal Housing Replacement (4WD) .
GM5644122Courtesy of GENERAL MOTORS COMPANY
Transmission Fluid Cooler Pipe Clip Bolt

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Transmission Fluid Cooler Pipe Clip Bolt - - 9 N.m (80 lb/in) Engine Replacement
GM5628053Courtesy of GENERAL MOTORS COMPANY
Valve Lifter Oil Solenoid Valve

Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Camshaft Position Actuator Solenoid Valve Bolt [ 8x ] - - 10 N.m (89 lb/in) Valve Lifter Oil Solenoid Valve Replacement (L84) , or
Valve Lifter Oil Solenoid Valve Replacement (L87) .
2 Positive Crankcase Ventilation Oil Separator Bolt [ 4x ] - - 10 N.m (89 lb/in) Valve Rocker Arm Oil Control Valve Harness Replacement (L84) , or
Valve Rocker Arm Oil Control Valve Harness Replacement (L87) .
3 Wiring Harness Connector Seal Yes - - Valve Rocker Arm Oil Control Valve Harness Replacement (L84) , or
Valve Rocker Arm Oil Control Valve Harness Replacement (L87) .
Automatic Transmission Flex Plate Bolt Sequence
GM5572584Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Automatic Transmission Flex Plate Bolt [ 8x ] Yes Yes First Pass: 30 N.m (22 lb-ft)
Final Pass: 45 degrees
Automatic Transmission Flex Plate Replacement (2WD) , or
Automatic Transmission Flex Plate Replacement (4WD) .
Camshaft Retainer Bolt Sequence
GM5572586Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Camshaft Retainer Bolt [ 4x ] - Yes 15 N.m (11 lb-ft) Camshaft Replacement (L84, 4WD with RC1, without F47) , or
Camshaft Replacement (L84, 4WD with WTX, without F47) , or
Camshaft Replacement (L84, 2WD with RC1) , or
Camshaft Replacement (L84, 2WD, with WTX) , or
Camshaft Replacement (L84, 4WD with RC1, with F47) , or
Camshaft Replacement (L84, 4WD with WTX, with F47) , or
Camshaft Replacement (L87, 2WD with RC1) , or
Camshaft Replacement (L87, 2WD with WTX) , or
Camshaft Replacement (L87, 4WD with WTX, with F47) , or
Camshaft Replacement (L87, 4WD with WTX, without F47) , or
Camshaft Replacement (L87, 4WD with RC1, without F47) , or
Camshaft Replacement (L87, 4WD with RC1, with F47) .
Crankshaft Bearing Cap Bolt - Inner and Outer Sequence
GM5040924Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Crankshaft Bearing Cap Bolt- Inner [ 10x ] Yes - First Pass: 20 N.m (15 lb-ft)
Final Pass: 110 degrees
Crankshaft and Bearing Removal and Installation
2 Crankshaft Bearing Cap Bolt- Outer [ 10x ] Yes - First Pass: 20 N.m (15 lb-ft)
Final Pass: 80 degrees
Crankshaft and Bearing Removal and Installation
Crankshaft Bearing Cap Bolt - Side Sequence
GM5040928Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Crankshaft Bearing Cap Bolt - Side [ 10x ] Yes - First Pass: 25 N.m (18 lb-ft)
Final Pass: 60 degrees
Crankshaft and Bearing Removal and Installation
Crankshaft Rear Oil Seal Housing Bolt Sequence
GM5572590Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Crankshaft Rear Oil Seal Housing Bolt [ 12x ] - - 25 N.m (18 lb-ft) Crankshaft Rear Oil Seal Housing Replacement (2WD) , or
Crankshaft Rear Oil Seal Housing Replacement (4WD) .
Cylinder Head - Left Side Bolt Sequence
GM5572588Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Cylinder Head Bolt Yes - First Pass: 80 N.m (59 lb-ft))
Final Pass: 130 degrees
Cylinder Head Replacement - Left Side (L84) , or
Cylinder Head Replacement - Left Side (L87) .
2 Cylinder Head Bolt [ 9x ] Yes - First Pass: 80 N.m (59 lb-ft))
Final Pass: 150 degrees
Cylinder Head Replacement - Left Side (L84) , or
Cylinder Head Replacement - Left Side (L87) .
Cylinder Head - Right Side Bolt Sequence
GM5572591Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Cylinder Head Bolt [ 10x ] Yes - First Pass: 80 N.m (59 lb-ft))
Final Pass: 150 degrees
Cylinder Head Replacement - Right Side (L84) , or
Cylinder Head Replacement - Right Side (L87) .
Engine Block Valley Cover Bolts Sequence
GM5567794Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Block Valley Cover Bolt [ 9x ] - - First Pass: 15 N.m (11 lb-ft)
Final Pass: 30 N.m (22 lb-ft)
Engine Block Valley Cover Replacement (L84) , or
Engine Block Valley Cover Replacement (L87) .
Engine Front Cover Bolt Sequence
GM5572587Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Front Cover Bolt [ 8x ] - - 25 N.m (18 lb-ft) Engine Front Cover Replacement (L84 with RC1) , or
Engine Front Cover Replacement (L87 with RC1) , or
Engine Front Cover Replacement (L84 with WTX) , or
Engine Front Cover Replacement (L87 with WTX) .
2 Engine Front Cover Bolt [ 2x ] - - 25 N.m (18 lb-ft) Engine Front Cover Replacement (L84 with RC1) , or
Engine Front Cover Replacement (L87 with RC1) , or
Engine Front Cover Replacement (L84 with WTX) , or
Engine Front Cover Replacement (L87 with WTX) .
Engine Mount Frame Side Bolt-Left Side Bolt Sequence
GM5028813Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Mount Frame Side Bolt- Left Side [ 3x ] - Yes 80 N.m (59 lb-ft)) Engine Mount Replacement - Left Side
Engine Mount Frame Side Bolt-Right Side Bolt Sequence
GM5297957Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Mount Frame Side Bolt- Right Side [ 3x ] - Yes 80 N.m (59 lb-ft)) Engine Mount Replacement - Left Side
Intake Manifold Bolt Sequence
GM5551444Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Intake Manifold Bolt [ 10x ] - Yes 10 N.m (89 lb/in) Intake Manifold Replacement (L84) , or
Intake Manifold Replacement (L87) .
Oil Pan Bolt Sequence
GM5572589Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Oil Pan Bolt [ 2x ] - - 12 N.m (106 lb/in) Oil Pan Replacement (4WD with RC1 without F47) , or
Oil Pan Replacement (2WD with RC1) , or
Oil Pan Replacement (2WD with WTX) , or
Oil Pan Replacement (4WD with WTX without F47) , or
Oil Pan Replacement (4WD with RC1 with F47) , or
Oil Pan Replacement (4WD with WTX with F47) .
2 Oil Pan Bolt [ 14x ] - - 25 N.m (18 lb-ft) Oil Pan Replacement (4WD with RC1 without F47) , or
Oil Pan Replacement (2WD with RC1) , or
Oil Pan Replacement (2WD with WTX) , or
Oil Pan Replacement (4WD with WTX without F47) , or
Oil Pan Replacement (4WD with RC1 with F47) , or
Oil Pan Replacement (4WD with WTX with F47) .
Oil Pump Bolt Sequence
GM5681130Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Oil Pump Bolt [ 4x ] - - 25 N.m (18 lb-ft) Oil Pump Replacement (L84 4WD with RC1 without F47) , or
Oil Pump Replacement (L84 2WD with RC1) , or
Oil Pump Replacement (L84 2WD with WTX) , or
Oil Pump Replacement (L84 4WD with WTX without F47) , or
Oil Pump Replacement (L87 4WD with RC1 without F47) , or
Oil Pump Replacement (L87 4WD with WTX without F47) , or
Oil Pump Replacement (L87 2WD with RC1) , or
Oil Pump Replacement (L87 2WD with WTX) , or
Oil Pump Replacement (L84 4WD with RC1 with F47) , or
Oil Pump Replacement (L84 4WD with WTX with F47) , or
Oil Pump Replacement (L87 4WD with RC1 with F47) , or
Oil Pump Replacement (L87 4WD with WTX with F47) .
Valve Rocker Arm Cover - Left Side Bolt Sequence
GM5549545Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Valve Rocker Arm Cover Bolt- Left Side [ 9x ] - - 10 N.m (89 lb/in) Valve Rocker Arm Cover Replacement - Left Side (L84) , or
Valve Rocker Arm Cover Replacement - Left Side (L87) .
Valve Rocker Arm Cover - Right Side Bolt Sequence
GM5551394Courtesy of GENERAL MOTORS COMPANY
Callout Component Name [ Component Quantity ] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Valve Rocker Arm Cover Bolt- Right Side [ 10x ] - - 10 N.m (89 lb/in) Valve Rocker Arm Cover Replacement - Right Side