Vacuum Pump/Oil Pump Drive Removal; Intake Manifold Removal; Injection Line Removal - Chevrolet 1991 Light Duty Truck Repair Manual

VACUUM PUMP/OIL PUMP
DRIVE REMOVAL
B
Remove or Disconnect (Figure 2)
1. Hold down clamp and bolt.
2. Speed sensor wire.
3. Vacuum pump or oil pump drive. Pull out to
remove.
4. Gasket.

INTAKE MANIFOLD REMOVAL

Remove or Disconnect (Figure
Tool Required:
J 29664 Manifold Cover Set
1. Intake manifold bolts and fuel line clips.
2. Intake manifold.
3. Gaskets.
• Install J 29664-1 to the intake ports.

INJECTION LINE REMOVAL

B 3 Clean
• All injection line fittings at the nozzles and injec­
tion pump.
Remove or Disconnect (Figure 4)
1. Injection line clips at the brackets.
2. Injection lines at the nozzles.
A. Left Bank
B. Right Bank
Figure 4— Injection Lines
3)
6.2L D IESEL ENGINE 6A7-5
B
B8130