Torque Specifications

Cylinder Head Bolts

- Coat the threads of all cylinder head bolts with sealing compound (GM PIN 1052080 or equivalent). Assemble within 15 minutes to allow sealer to cure properly.
- Install all bolts finger tight.

Cylinder Head And Components:

Cylinder Head Bolts, Tighten As Follows:
A. Using the sequence shown in pictorial (steps 1 through 10), tighten all bolts to 25 N.m (18 ft. lbs.).
B. Using the sequence shown in pictorial (steps 1 through 10), tighten all bolts except bolt # 9 to 35 N.m (26 ft. lbs.).
C. Bolt # 9 to 25 N.m (18 ft. lbs.).
D. All bolts using the sequence shown in pictorial (steps 1 through 10), an additional 90° degrees.