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Home >> Buick >> 1994 >> LeSabre Custom >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L V6 VIN L & 3.8L Supercharged V6 VIN 1 >> Torque Specifications

Torque Specifications

NOTE: Revised torque specifications, see SMU - SECTION 6A - REVISED TORQUE SPEC .
TORQUE SPECIFICATIONS

Application Ft. Lbs. (N.m) / Specification
Balance Shaft Gear Bolt (1)
Step 1 14 (19)
Step 2 Additional 35°
Balance Shaft Retainer Bolt 22 (30)
Camshaft Sprocket Bolt
Step 1 74 (100)
Step 2 Additional 90°
Connecting Rod Bolt
Step 1 20 (27)
Step 2 Additional 50°
Crankshaft Pulley/Balancer Bolt
Step 1 110 (150)
Step 2 Additional 76°
Cylinder Head Bolts (1)(2)
Step 1 35 (47)
Step 2 Additional 130°
Step 3 (4 Center Bolts) Additional 30°
Exhaust Manifold Bolt 38 (52)
Flywheel Bolt
Step 1 11 (15)
Step 2 Additional 50°
Front Cover Bolt (1) 22 (30)
Fuel Feed & Return Line Fitting 22 (30)
Main Bearing Cap Bolt
Step 1 26 (35)
Step 2 Additional 50°
Oil Filter Adapter-To-Front Cover Bolt 22 (30)
Oil Pan Bolt (1) 10 (14)
Oil Screen-To-Block Bolt 11 (15)
Rocker Arm Bolt (1)
Step 1 18 (25)
Step 2 Additional 70°
Intake Manifold-To-Head Bolts
Non-Supercharged (1)(3)(4) 11 (15)
Supercharged (1)(3)(4) 11 (15)
Upper Intake-To-Lower Intake Bolts (Non Supercharged) 11 (15)
Supercharger-to-Lower Intake Bolts 19 (26)
Throttle Body Nut 11 (15)
Timing Chain Damper Bolt (Special Bolt) 16 (22)
Torque Axis Engine Mount
Mounting Bracket Assembly-To-Engine Bolts (191) (5) 65 (87)
Mounting Bracket Assembly-To-Engine Nut (189) (5) 52 (70)
Mounting Bracket Nut (183) (5) 52 (70)
Mounting Bracket Through Bolt (181) (5) 65 (87)
Mount Bottom Bolts (188) (5) 52 (87)
Mount Top Bolts (185) (5) 52 (87)
Valve Lifter Guide Bolt 22 (30)
Water Pump-To-Block Bolts (5) (5) 29 (39)
INCH Lbs. (N.m) 
Oil Pump Cover Bolt 97 (11)
Valve Cover Bolt (1) 88 (10)
Water Pump-To-Front Cover Bolts (4) (5) 97 (11)
Water Pump Pulley-To-Pump Bolts 115 (13)
(1) Apply thread sealant to bolt(s).
(2) Tighten bolts in sequence. See Figure.
(3) Tighten bolts TWICE in sequence. See Figure.
(4) Specification revised per TSB 57-61-21.
(5) Numbers in parenthesis refer to numbers in illustrations.