C 1500 Truck 2WD V8-350 5.7L (1989)
9.
Remove inner fender duct rear fastener from fender.
10.
Remove inner fender duct assembly from fender.
11.
Install new inner fender duct assembly in tender.
12.
Install inner fender duct rear fastener.
13.
Install inner fender duct front retaining screw.
14.
Install ground strap bolt to fender.
15.
Install battery, battery hold down bolt and battery cables.
16.
Install underhood retractable light assembly (if equipped).
17.
Install engine coolant reservoir.
18.
Install duct adapter to fender.
19.
Install resonator and resonator hold down strap.
20.
Install new rear air intake duct.
21.
Install new rear air intake duct strap (7.4L only).
SERVICE PARTS INFORMATION
Part Number
Description
Quantity Application
15667232
Duct - Inner fender
1
1988-91 All Engines
15657356
Duct - Rear Air Intake
1
1988-90 5.0L W/K46
(pre-cleaner)
1
1988-91 5.7L, 6.2L
15657357
Duct - Rear Air Intake
1
1988-90 7.4L
15657359
Duct - Rear Air Intake
1
1991 7.4L
15657358
Strap - Rear Air Intake
1
1988-91 7.4L
Duct
Parts are currently available from GMSPO.
WARRANTY INFORMATION
For vehicles repaired under warranty use:
Labor
Labor
Operation
Description
Time
J5022
Replace Air Intake Duct (inner panel
.4 hr
Figure 1)
J5020
Replace Duct and or Hose (air intake
.2 hr
Figure 2)