A/C Compressor Clutch - Ringing Noise

89ford05

Article No. 89-7-11

^ AIR CONDITIONING - "RINGING" NOISE FROM COMPRESSOR CLUTCH - VEHICLES BUILT AFTER 4/01/88

^ NOISE - "RINGING" FROM AIR CONDITIONING COMPRESSOR CLUTCH - VEHICLES BUILT AFTER 4/01/88

LIGHT TRUCK: 1988-89 AEROSTAR 1988 BRONCO, ECONOLINE, F-150, F-250, F-350

ISSUE: An intermittent "ringing" noise heard coming from the engine compartment may be caused by the A/C compressor clutch. The A/C clutch will produce the "ringing" noise when it disengages if the air gap is set below the minimum air gap specification.

ACTION: Check and re-set the A/C compressor clutch air gap. The air gap must be set between .016" to .039".

OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: Eligible Under Basic Warranty Coverage

OPERATION DESCRIPTION TIME
890711A Adjust Air Gap-Aerostar 0.6 Hr.
890711A Adjust Air Gap-Econoline 0.7 Hr.
4.9L
890711A Adjust Air Gap-Econoline All 0.6 Hr.
Except 4.9L
890711A Adjust Air Gap-F 0.4 Hr.
Series/Bronco 5.8L
890711A Adjust Air Gap-F 0.5 Hr.
Series/Bronco All Except 5.8L

DEALER CODING
BASIC PART NO. CONDITION CODE
19703 56
OASIS CODES: 2610, 7100, 7113