Evaporator/Cowl Screen - Revision

NO: 24-17-97

GROUP: Heating & A/C

DATE: Dec. 31, 1997

SUBJECT:
Evaporator service/Cowl Screen

MODELS:
1993 - 1997 (ZJ) Grand Cherokee/Grand Wagoneer
1993 - 1997 (ZG) Grand Cherokee (International Markets)

DISCUSSION:
A revised cowl plenum screen has been released which contains a fine mesh screen to minimize debris from entering the heater A/C housing. A build up of organic debris can decay and form acids which over time may contribute to evaporator corrosion/odor. When an evaporator is replace for leaks, the new screen should be installed as a precaution. Inspect the plenum area for any open holes or missing plugs which would allow leaves or other debris to enter the heater A/C housing. All of these areas should be sealed.

PARTS REQUIRED:

1       55036542         Screen, cowl plenum

REPAIR PROCEDURE:

This bulletin involves installing a revised cowl plenum screen.

1. Remove the windshield wiper arms.

2. Remove the cowl grille.

3. Remove the cowl screen.

 

4. Install the new screen, p/n 55036542. (See Figure 1)

5. Install the cowl grille.

6. Install the wiper arms.

POLICY:
Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

Labor Operation No: 23-02-08-97                             0.3 Hrs.

FAILURE CODE:       P8 - New Part