Passport LX 2WD V6-3.2L DOHC (6VD1) (1998)
Compressor Clutch: All Technical Service Bulletins
Air Conditioner - Moaning Noise
99-096
December 7, 1999
Applies To: 1998 Passport - ALL
1999 Passport - From VIN 4S6C.58..X4400001 thru 4S6C.58..X4417608
Moaning Noise With A/C On
SYMPTOM
A moaning noise is heard when the A/C is on and the engine speed is between 800 and 1,500 RPM.
PROBABLE CAUSE
The A/C compressor pulley does not have enough mass to dampen the pulses of refrigerant leaving the compressor.
CORRECTIVE ACTION
Replace the A/C compressor pulley and clutch.
PARTS INFORMATION
A/C Compressor Pulley kit:
P/N 8-97221-880-0, H/C 6127310
The kit includes these parts:
NOTE: For the quietest compressor operation, install all of the parts in the kit. Use the shims as needed to adjust drive-plate-to-pulley clearance.