Grand Cherokee 4WD V8-318 5.2L VIN Y MFI (1994)
Technical Service Bulletin # 24-21-96
Date: 961206
Heater/AC System - Air Door Binding/Sticking
NO: 24-21-96
GROUP: Heating & A/C
DATE: Dec. 6, 1996
SUBJECT:
Heater A/C System Binds Between Floor or Panel and the Defrost Mode
MODELS:
1993 - 1996 (ZJ) Grand Cherokee/Grand Wagoneer
1993 - 1996 (ZG) Grand Cherokee (Overseas Markets)
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH AUTOMATIC TEMPERATURE CONTROL HEATING & A/C SYSTEMS.
SYMPTOM/CONDITION:
The heat defrost servo motor linkage may bind inhibiting the system from entering the defrost mode.
DIAGNOSIS:
Operate the system with the blower on high speed, changing the modes between floor and defrost. If the system hangs or will not engage defrost, perform
the Repair Procedure.
PARTS REQUIRED:
1
04886136AA
Linkage Assy. (Left Hand Drive)
1
04886137AA
Linkage Assy. (Right Hand Drive)
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No:
24-75-19-90
1996
0.7 Hrs.
1993 - 1995
1.4 Hrs.
FAILURE CODE: P8 - New Part
Repair Procedure
This bulletin involves installing a revised servo motor linkage assembly.
1996 Vehicles
1.
Disconnect and isolate the battery negative cable.
2.
Remove the left center instrument panel support to gain access to the mode door motor.
3.
Remove the mode door motor attaching screws and remove the motor.
4.
Install the appropriate new linkage to the motor and install the motor.
5.
Install the instrument panel support bracket.
6.
Connect the battery negative cable.
1995 and Prior Vehicles
1.
Disconnect the battery negative cable.
2.
Remove the center instrument panel (IP) bezel.
