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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 1.35L (L3T) >> Specifications >> Fastener Specifications

Fastener Specifications

Single Use Non-Threaded Fasteners/Components

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 

Application
Balancer Shaft Opening Cover Gasket
Camshaft Cover Gasket
Camshaft Position Actuator Magnet Gasket [2x]
Crankshaft Rear Oil Seal Housing
Cylinder Head Gasket
Engine Front Cover
Engine Oil Pressure Sensor Seal
Exhaust Manifold Outlet Pipe Gasket
Fuel Injection Fuel Rail Clip
Fuel Injection Fuel Rail Seal
Fuel Injector Locating Pin
Fuel Injector Nozzle Housing Seal
Fuel Injector Seal Retainer
Fuel Pump Housing Seal
Oil Filter Adapter Gasket
Oil Level Indicator Tube Seal
Oil Pan High Pressure Port Seal
Oil Pump Gasket
Oil Pump Flow Control Solenoid Valve Seal
Oil Pump Screen Gasket
Oil Pump Seal
Oil Pump Suction Pipe Seal
Positive Crankcase Ventilation Oil Separator Gasket
Positive Crankcase Ventilation Tube
Throttle Body Seal
Timing Chain Tensioner Gasket
Turbocharger Air Inlet Adapter Seal
Turbocharger Coolant Feed and Return Pipe Gasket
Turbocharger Heat Shield
Turbocharger Oil Feed Pipe Gasket
Turbocharger Oil Return Pipe Gasket
Water Pump Inlet Gasket
Single Use Threaded Fastener/Component Tightening Specifications

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 

Application Specification
Metric (English)
Automatic Transmission Flex Plate Bolt [6x] Automatic Transmission Flex Plate Installation 
Balance Shaft Sprocket Bolt
  • First Pass:
58 N.m (43 lb ft)
  • Final Pass:
45 degrees
Camshaft Position Actuator Valve Solenoid Bolt - Exhaust
  • First Pass:
30 N.m (22 lb ft)
  • Final Pass:
45 degrees
Camshaft Position Actuator Valve Solenoid Bolt - Intake
  • First Pass:
30 N.m (22 lb ft)
  • Final Pass:
45 degrees
Connecting Rod Bolt [2x]
  • First Pass:
25 N.m (18 lb ft)
  • Final Pass:
110 degrees
Crankshaft Balancer Bolt
  • First Pass:
150 N.m (111 lb ft)
  • Final Pass:
140 degrees
Crankshaft Bearing Cap Bolt [10x] Crankshaft and Bearing Installation 
Cylinder Head Bolt [4x] M6 x 43.65 Cylinder Head Installation 
Cylinder Head Bolt [3x] M6 x 108.65 Cylinder Head Installation 
Cylinder Head Bolt [8x] M10 x 107 Cylinder Head Installation 
Engine Mount Brace Bolt (LH, AWD)
  • First Pass:
100 N.m (74 lb ft)
  • Final Pass:
60-75 degrees
Engine Mount Brace Bolt (LH, AWD)
  • First Pass:
30 N.m (22 lb ft)
  • Final Pass:
120-135 degrees
Engine Mount Brace Bolt (LH, FWD)
  • First Pass:
30 N.m (22 lb ft)
  • Final Pass:
120-135 degrees
Engine Mount Brace Bolt (LH, FWD) 36 N.m (27 lb ft)
Engine Mount Brace Bolt - Rear
  • First Pass:
100 N.m (74 lb ft)
  • Final Pass:
60-75 degrees
Engine Mount Brace Bolt - Rear
  • First Pass:
30 N.m (22 lb ft)
  • Final Pass:
90-105 degrees
Engine Mount Bracket Bolt [4x]
  • First Pass:
58 N.m (43 lb ft)
  • Final Pass:
60-75 degrees
Engine Mount Bolt [2x] 100 N.m (74 lb ft)
Engine Mount Bracket Bolt [4x]
  • First Pass:
58 N.m (43 lb ft)
  • Final Pass:
60-75 degrees
Engine Mount Engine Side Bolt [3x]
  • First Pass:
40 N.m (30 lb ft)
  • Second Pass:
100 N.m (74 lb ft)
  • Final Pass:
60-75 degrees
Engine Mount Bracket Bolt [4x]
  • First Pass:
58 N.m (43 lb ft)
  • Final Pass:
60-75 degrees
Engine Mount Bolt [2x]
  • First Pass:
100 N.m (74 lb ft)
  • Final Pass:
60-70 degrees
Engine Mount Engine Side Bolt [3x]
  • First Pass:
100 N.m (74 lb ft)
  • Final Pass:
60-70 degrees
Oil Filter
  • 3/4 to 1 full turn after gasket makes contact with the sealing surface on the filter mounting flange
Spark Plug [4x] 16 N.m (12 lb ft)
Turbocharger Nut [4x]
  • First Pass:
20 N.m (15 lb ft)
  • Final Pass:
60 degrees
Reusable Threaded Fastener Tightening Specifications

NOTE:

All fasteners listed in this table can be reused after removal. 

Application Specification
Metric (English)
Balance Chain Guide Bolt [2x] 15 N.m (11 lb ft)
Balancer Chain Tensioner Bolt [2x] 15 N.m (11 lb ft)
Balancer Shaft Housing Bolt [9x] 15 N.m (11 lb ft)
Camshaft Bearing Cap Bolt [25x] Camshaft Replacement 
Camshaft Cover Bolt [5x] Camshaft Cover Installation 
Camshaft Cover Core Hole Plug [2x] 20 N.m (15 lb ft)
Camshaft Cover Core Hole Plug 35 N.m (26 lb ft)
Camshaft Exhaust Lobe Sensor Bolt [2x] 8.5 N.m (75 lb in)
Camshaft Interior Lobe Sensor Bolt [2x] 8.5 N.m (75 lb in)
Camshaft Position Actuator Bolt [12x] 8.5 N.m (75 lb in)
Camshaft Position Actuator Solenoid Valve Bolt [4x] 8.5 N.m (75 lb in)
Camshaft Position Sensor Bolt [2x] 8.5 N.m (75 lb in)
Connecting Rod Bolt
  • First Pass:
25 N.m (18 lb ft)
  • Final Pass:
110 degrees
Crankshaft Position Sensor Bolt 8.5 N.m (75 lb in)
Crankshaft Rear Oil Seal Housing Bolt [14x] Crankshaft Rear Oil Seal and Housing Installation 
Cylinder Head Core Hole Plug-M8 [4x] 25 N.m (18 lb ft)
Cylinder Head Core Hole Plug-M8 [7x] 25 N.m (18 lb ft)
Cylinder Head Core Hole Plug-M10 [2x] 35 N.m (26 lb ft)
Drive Belt Tensioner Bolt 36 N.m (27 lb ft)
Engine Block Coolant Hole Plug 60 N.m (44 lb ft)
Engine Block Lower Structural Extension Oil Gallery Plug 15 N.m (11 lb ft)
Engine Block Lower Structural Extension Oil Gallery Plug 35 N.m (26 lb ft)
Engine Block Lower Structural Extension Oil Gallery Plug 40 N.m (30 lb ft)
Engine Coolant Flow Control Valve Bolt [5x] 8.5 N.m (75 lb in)
Engine Coolant Temperature Sensor [2x] 9 N.m (80 lb in)
Engine Coolant Thermostat Housing Bracket Bolt [2x] 8.5 N.m (75 lb in)
Engine Front Cover Bolt [10x] 8.5 N.m (75 lb in)
Engine Lift Bracket Bolt [4x] 36 N.m (27 lb ft)
Engine Mount Brace Bolt 22 N.m (16 lb ft)
Engine Mount Brace Nut 22 N.m (16 lb ft)
Engine Oil Cooler Bolt [4x] 8.5 N.m (75 lb in)
Engine Oil Cooler Adapter Hole Plug 40 N.m (30 lb ft)
Engine Oil Pressure Sensor 35 N.m (26 lb ft)
Engine Oil Temperature Sensor 20 N.m (15 lb ft)
Evaporative Emission Canister Purge Pump Bolt [3x] 8.5 N.m (75 lb in)
Exhaust Manifold Outlet Pipe Bolt [3x] 8.5 N.m (75 lb in)
Exhaust Manifold Outlet Pipe Bolt 8.5 N.m (75 lb in)
Fuel Feed Pipe Bolt  
Fuel Injection Fuel Feed Pipe Bracket Bolt 8.5 N.m (75 lb in)
Fuel Injection Fuel Rail Bolt [4x] 36 N.m (27 lb ft)
Fuel Injection Fuel Rail Fuel Pressure Sensor 32.5 N.m (24 lb ft)
Fuel Pump Shield Bolt [2x] 8.5 N.m (75 lb in)
Fuel Pump Shield Bolt [2x] 36 N.m (27 lb ft)
Fuel Pump Stud [2x] 36 N.m (27 lb ft)
Heater Outlet Pipe Bolt [2x] 8.5 N.m (75 lb in)
Ignition Coil Bolt [8x] 8.5 N.m (75 lb in)
Intake Air Pressure and Temperature Sensor Bolt 8.5 N.m (75 lb in)
Intake Manifold Bolt [6x] Intake Manifold Installation 
Intake Manifold Cover Bolt [2x] 8.5 N.m (75 lb in)
Knock Sensor Bolt [2x] 36 N.m (27 lb ft)
Lower Crankcase Extension Bolt [13x] M6 x 30.65 Lower Crankcase Extension Installation 
Lower Crankcase Extension Bolt [4x] M6 x 58.65 Lower Crankcase Extension Installation 
Lower Oil Pan Bolt [20x] Oil Pan Installation 
Oil Filter Adapter Bolt [4x] 15 N.m (11 lb ft)
Oil Filter Bypass Valve 55 N.m (41 lb ft)
Oil Level Indicator Tube Bolt 8.5 N.m (75 lb in)
Oil Pump Bolt [4x] 15 N.m (11 lb ft)
Oil Pump Flow Control Solenoid Valve Bolt 8.5 N.m (75 lb in)
Oil Pump Suction Pipe Bolt 8.5 N.m (75 lb in)
Piston Oil Nozzle [4x] 25 N.m (18 lb ft)
Positive Crankcase Ventilation Baffle Bolt [12x] Positive Crankcase Ventilation Baffle Installation 
Positive Crankcase Ventilation Tube Bolt 8.5 N.m (75 lb in)
Throttle Body Bolt [3x] 8.5 N.m (75 lb in)
Timing Chain Guide Bolt [2x] 36 N.m (27 lb ft)
Timing Chain Tensioner Bolt [2x] 36 N.m (27 lb ft)
Turbocharger Brace Bolt [2x] 36 N.m (27 lb ft)
Turbocharger Brace Nut 50 N.m (37 lb ft)
Turbocharger Bracket Stud 25 N.m (18 lb ft)
Turbocharger Coolant Feed and Return Pipe Bolt [2x] 8.5 N.m (75 lb in)
Turbocharger Coolant Return Pipe Bracket Bolt [2x] 8.5 N.m (75 lb in)
Turbocharger Heat Shield Bolt 8.5 N.m (75 lb in)
Turbocharger Oil Feed Pipe Bolt [6x] 8.5 N.m (75 lb in)
Turbocharger Stud [4x] 8.5 N.m (75 lb in)