Engine Set-Up And Testing - GMC 1990 Light Truck Repair Manual

ENGINE SET-UP AND TESTING

1. After overhaul, the engine should be tested before
installation in the vehicle. If a suitable test stand is
not available, the following procedure can be used
after the engine is installed in the vehicle.
2. Fill the crankcase with the proper quantity and
grade of oil.
Important
If a new camshaft or hydraulic lifters were
INITIAL TIGHTENING SEQUENCE
FINAL TIGHTENING SEQUENCE
A. Front Of Engine
Figure 41—Intake Manifold Bolt Tightening Sequence
Figure 40—Intake Manifold Installation
B-07873
4.3 LITER V-6 6A3-25