Heater/AC System - Air Door Binding/Sticking: Overview

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