Torque
Cylinder HeadsCAUTION: The cylinder head bolts must be discarded and new bolts installed. They are tighten-to-yield designed and cannot be reused.
NOTE: Make sure to tighten the bolts in sequence in three stages.
Tighten the LH bolts in the sequence shown.
^ Stage 1: Tighten to 40 Nm (30 ft. lbs.).
^ Stage 2: Tighten an additional 85-95 degrees.
^ Stage 3: Tighten an additional 85-95 degrees.
NOTE: Make sure to tighten the bolts in the following three stages.
Tighten the RH bolts in the sequence shown.
^ Stage 1: Tighten to 40 Nm (30 ft. lbs.).
^ Stage 2: Tighten an additional 85-95 degrees.
^ Stage 3: Tighten an additional 85-95 degrees.
Camshaft Bearing Cap Bolts
Tighten the bolts in the sequence shown to 10 Nm (89 in.lb).
Camshaft Sprocket
On engines equipped with bolt on sprockets, install the camshaft sprocket (2).
1. Install the bolt (1).
2. Tighten the bolt.
^ M10 bolt: Tighten in two stages.
^ Stage 1: Tighten to 40 Nm (30 ft. lbs.).
^ Stage 2: Tighten an additional 90 degrees.
^ M12 bolt: Tighten to 120 Nm (90 ft. lbs.).
Intake Manifold
NOTE: The thermostat at housing bolts are tightened in sequence with the intake manifold bolts. Do not tighten the thermostat housing bolts during thermostat installation.
Install the water thermostat.
Tighten the 11 bolts in two stages in the sequence shown.
^ Stage 1: Tighten to 2 Nm (18 inch lbs.).
^ Stage 2: Tighten to 10 Nm (89 inch lbs.).
Throttle Body
Install the throttle body adapter and the four bolts.
Tighten the bolts in two stages.
^ Stage 1: Tighten to 10 Nm (89 inch lbs.).
^ Stage 2: Tighten an additional 90 degrees.
RH Exhaust Manifold
Tighten fasteners in sequence to 23-27 Nm (17-19 lb/ft).
LH Exhaust Manifold
Tighten fasteners in sequence to 25 Nm (18 lb/ft).