Torque Specifications
Cylinder heads boltsCAUTION: The cylinder head bolts must be discarded and new bolts installed. They are tighten-to-yield designed and cannot be reused.
NOTE: LH shown, RH similar.
NOTE: Be sure to tighten the bolts in 3 stages.
Tighten the bolts in the sequence shown.
^ Stage 1: Tighten to 40 Nm (30 ft. lbs.).
^ Stage 2: Tighten an additional 90 degrees.
^ Stage 3: Tighten an additional 90 degrees.
Intake manifold
Install the intake manifold bolts and tighten in 2 stages in the sequence shown.
^ Stage 1: Tighten to 2 Nm (18 inch lbs.).
^ Stage 2: Tighten to 10 Nm (89 inch lbs.).
LH camshaft bearing cap bolts
Tighten the LH camshaft bearing cap bolts in 2 stages:
^ Stage 1: Tighten to 8 Nm (71 inch lbs.) in the sequence shown.
^ Stage 2: Tighten an additional 45 degrees.
RH camshaft bearing cap bolts
Tighten the RH camshaft bearing cap bolts in 2 stages:
^ Stage 1: Tighten to 8 Nm (71 inch lbs.) in the sequence shown.
^ Stage 2: Tighten an additional 45 degrees.
CAUTION: Only use hand tools to tighten the camshaft sprocket bolt or damage may occur to the camshaft or camshaft sprocket.
RH camshaft sprocket
Tighten the RH camshaft sprocket bolt in 2 stages:
^ Stage 1: Tighten to 40 Nm (30 ft. lbs.) in the sequence shown.
^ Stage 2: Tighten an additional 90 degrees.
CAUTION: Only use hand tools to tighten the camshaft sprocket bolt or damage may occur to the camshaft or camshaft sprocket.
LH camshaft sprocket
Tighten the LH camshaft sprocket bolt in 2 stages:
^ Stage 1: Tighten to 40 Nm (30 ft. lbs.) in the sequence shown.
^ Stage 2: Tighten an additional 90 degrees.
RH Exhaust Manifold.
^ To install, tighten to 25 Nm (18 ft. lbs.) in the sequence shown.
LH Exhaust Manifold.
^ To install, tighten to 25 Nm (18 ft. lbs.) in the sequence shown.
Exhaust manifold studs 12 Nm (9 ft. lbs.)
Exhaust manifold-to-catalytic converter nuts 40 Nm (30 ft. lbs.)
Exhaust manifold-to-Y-pipe nuts 40 Nm (30 ft. lbs.)