C 2500 Truck 2WD V8-454 7.4L (1988)
3.
Locate parking brake cable bracket (4) midway between the # 1 and # 2 body mounts for extended cab vehicles as shown in Figure 1. Locate the
bracket between the # 1 body mount and the cable connector (6) for regular cab models as shown in Figure
2.
Do not locate the bracket closer then three (3) inches from the cable connector.
4.
Mark and drill a 7/16 inch diameter hole using bracket (4) as a template.
CAUTION:
Check inside of frame to ensure that fuel filter, fuel line, electrical harness, and brake lines are clear of drilling area.
5.
Mark and drill a 17/32 diameter hole for the anti-rotation tab 29/32 inches to the rear of the 7/16 diameter hole.
6.
Loosen equalizer nut (1) to relieve cable tension and remove connector (6) from parking brake cable.
7.
Install bracket (4) with screw (2) and nut (5). Torque nut to 135-180 lb.in. (15-20 N-m).
8.
Install grommet (3) over cable and thread cable through hole in bracket. Snap grommet into bracket. Lubricate with GM P/N 1051344 lubricant or
equivalent.
9.
Reinstall connector (6) and finger tighten equalizer nut (1) to take slack out of cable.
10.
Adjust parking brake as described below.
Parking Brake Adjustment
The parking brakes must be adjusted whenever the parking brake cables have been replaced or disconnected. Before adjusting the parking brakes, check
the condition of the service brakes. The service brakes must be adjusted properly before proceeding with the parking brake adjustment.
Inspect the parking brake system for free operation. The brake lever must return to the released position without sticking or binding. If a problem exists,
check the cable routings for kinks or binding. Clean and lubricate the parking brake assembly and cables with brake fluid.
1.
Block the front wheels.
2.
Raise and support the rear axle with suitable safety stands.
3.
Loosen the equalizer nut (1).
4.
Set the parking brake cable to four clicks.
5.
Adjust the equalizer nut (1) until the wheels will not rotate forward without a moderate drag.
6.
Release the parking brake and rotate the rear wheels. There should be no brake drag.
7.
Remove the safety stands and lower the vehicle.
8.
Unblock the front wheels.
Parts Information
Part Number
Description
Quantity
15639028
Bracket, Park Brake Cable Support
1
15530620
Grommet, Bracket
1
11504595
Screw, Bracket
1
11509415
Nut, Bracket
1
1051344
Lubricant
as required
Parts are currently available from GMSPO.
For vehicles repaired under warranty use:
Labor Operation Number:
T8060
Labor Time:
0.9 Hrs.