A/C Compressor - Growl Noise/Hard Air Cleaner Access

NO: 24-08-98

GROUP: Heating & A/C

DATE: Jun. 5, 1998

SUBJECT:

Growl Noise During A/C
Operation And/Or Air Cleaner
Element Difficult To Access

MODELS:

1997& 1999 (PR) Prowler

NOTE:
THIS BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO JUNE 1, 1998 (MDH 0601XX).

SYMPTOM/CONDITION:

1. A growl noise may be heard when A/C compressor is engaged. The noise is most noticeable from inside the vehicle and when the engine is at idle speed.

2. The air filter housing lid is difficult to remove because of A/C suction/liquid line routing.

DIAGNOSIS:

1. Start the engine and let it idle. Select A/C and listen for a growl noise after the A/C compressor engages and continues until the A/C compressor disengages. If the growl noise is heard when the A/C compressor is engaged, perform the Repair Procedure.

2. Inspect the air cleaner housing for adequate clearance with the A/C suction/liquid line below the expansion valve. If clearance is inadequate to allow removal of the air cleaner housing lid, perform the Repair Procedure.

PARTS REQUIRED:

1 04786475AF Line, A/C Suction/Liquid

REPAIR PROCEDURE:

This bulletin involves replacing the A/C suction/liquid line with a revised part.

1. Using the procedure outlined on page 24-23 of the Prowler service manual (Publication No. 81-270-7123) replace the A/C suction/liquid line with revised line, p/n 04786475AF.

POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

Labor Operation No: 24-45-20-94 0.4 Hrs.

FAILURE CODE: P8 - New Part