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Automotive Torque Specifications

 Home Chevrolet GMC Chevrolet S-10 & GMC S-15 1982-93

Chevrolet S-10 and GMC S-15 1982-93

Engines

1.9L

Component

Torque

Connecting rods 43 ft. lbs.
Crankshaft Damper/Pulley 87 ft. lbs.
Cylinder Head Bolts

see (Figure 2)

Tighten in several passes, from center bolts working outward, to this torque. 61 ft. lbs.
Then retighten bolts, from center working outward, to this torque. 72 ft. lbs.
Engine Mount-To-Engine 35 ft. lbs.
Engine Mount-To-Frame 52 ft. lbs.
Exhaust Manifold (from center working outward) 16 ft. lbs.
Flywheel/Flexplate (tighten in a criss-cross pattern) 76 ft. lbs.
Intake Manifold (from center working outward) 17 ft. lbs.
Knock Sensor 14 ft. lbs.
Main Bearing Caps (tighten in 3 steps) to this torque 72 ft. lbs.
Oil Pan (Tighten evenly) 4 ft. lbs.
Oxygen Sensor 30 ft. lbs.
Rocker Arm Bracket Stud Nuts see (Figure 1) 16 ft. lbs.
Thermostat Outlet pipe-to-intake manifold bolts 21 ft. lbs.
Water Pump 15-22 ft. lbs.

Click on diagrams below to see bigger picture.

Figure 1: Rocker arm shaft removal/installation 1.9L

Figure 2: Cylinder head bolt torque sequence 1.9L

 

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