Fastener Tightening Specifications
Cylinder Head BoltsApply sealant to the threads of the cylinder head bolts.
Install the NEW cylinder head bolts
Install the cylinder head bolts finger tight.
Cylinder Head Bolt - Preferred Method
All Bolts First Pass in Sequence 30 N.m (22 lb ft)
Long Bolts Final Pass in Sequence 75 degrees
Medium Bolts Final Pass in Sequence 65 degrees
Short Bolts Final Pass in Sequence 55 degrees
Exhaust Manifold Bolt/Stud - Left Side (4.3L)
First Pass 15 N.m (11 lb ft)
Final Pass 30 N.m (22 lb ft)
Exhaust Manifold Replacement - Right Side (4.3L)
First Pass to 15 N.m (11 lb ft).
Second Pass to 30 N.m (22 lb ft).
Lower Intake Manifold Bolt
First Pass in Sequence 3 N.m (27 lb in)
Second Pass in Sequence 12 N.m (106 lb in)
Final Pass in Sequence 15 N.m (11 lb ft)
Upper Intake Manifold Stud
First Pass 5 N.m (44 lb in)
Final Pass 9 N.m (80 lb in)
Camshaft Sprocket Bolt 25 N.m (18 lb ft)