High door lock key effort may be experienced on some 1988 C/K models. A new door lock rod and lock pawl is available to address tbis condition (Figure No. 6). Service parts are now available from GMSPO.
Part Description Number(s) ----------- --------- 15616166 Lock Pawl-Left Side
15616167 Lock Pawl-Right Side
15612999 Lock Rod-Left Side
15613000 Lock Rod-Right Side
SERVICE PROCEDURE (WITH POWER DOOR LOCKS/WINDOWS) ------------------------------------------------- Removal:
1. Place door windows in the full down position.
2. Remove power door lock/window switch assembly bezel (do not disconnect wiring from switch assembly).
3. Remove trim panel.
4. Loosen upper front window channel bolt (Figure No. 2).
5. Remove lower front window channel bolt (Figure No. 2)
6. Remove screws holding door inner panel (Figure No. 3).
7. Remove lock rods from the: a) door handle b) lock switch c) power door lock actuator
8. Move front window channel away from glass.
9. Remove window glass as described in the Service Manual (Section 1OAl-14).
10. Pull excess power door lock/window wiring through door opening as shown in Figure No. 4.
11. Lower door module panel assembly including glass out through the door opening in the door inner panel.
12. With the door module panel assembly removed, remove the clip bolding the lock rod to lock pawl.
13. Remove three torx screws holding lock assembly to the door.
14. Remove lock assembly and lock rods from the door.
15. Remove the two bolts attaching tbe outside door handle to the door and remove the handle.
------------ 1. Install new lock rod and lock pawl and reverse removal procedure.
SERVICE PROCEDURE (WITHOUT POWER DOOR LOCK/WINDOWS) ---------------------------------------------------
*) Procedure is the same as for vehicless with power door lock/windows except for the following:
1. Remove window handle. 2. Removedoorlock/handlebezel. * Do not have to move wires. * No lock rod to power door lock actuator.
Left Side Right Side
Labor 0p: T7560 Labor Op: T7555 Labor Time: .6 hrs Labor Time: .6 hrs.
General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.