C 1500 Truck 2WD V6-4.3L VIN X (2003)
Intake Manifold Bolt Sequence
Notice: Proper lower intake manifold fastener tightening sequence and torque is critical. Always follow the tightening sequence, and torque the intake
manifold bolts using the 3 step method. Failing to do so may distort the crankshaft bearing bore alignment and cause damage to the crankshaft bearings.
Notice: Refer to Fastener Notice in Service Precautions.
See: Service Precautions/Vehicle Damage Warnings/Fastener Notice
10. Tighten the intake manifold - lower bolts in the sequence shown.
10.1.
Tighten the bolts a first pass to 3 Nm (27 inch lbs.).
10.2.
Tighten the bolts a second pass to 12 Nm (106 inch lbs.).
10.3.
Tighten the bolts a final pass to 15 Nm (11 ft. lbs.).
11. Slide the P/S pump bracket rearward.
12. Install the bolts and the nut for the P/S pump bracket.
13. Install the P/S pump rear bracket front nut.
14. Tighten the P/S pump rear bracket nut.
Tighten the bolts and nuts to 41 Nm (30 ft. lbs.).
15. Install the drive belt.
