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Home >> Pontiac >> 1990 >> Grand AM L4-151 2.5L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications >> Torque Specifications

Torque Specifications

Cylinder Head Bolts

Fig. 3 Cylinder Head Bolt Tightening Sequence:






1. Torque all bolts to [1] 18 ft. lbs.
2. Retorque all bolts to [1] [2] 26 ft. lbs.
Retorque No. 9 to 18 ft. lbs.
3. Turn all bolts [1] 90° (1/4 turn)

[1] in sequence (refer to image)
[2] except No. 9