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99-14-4
  • NOISE - "MOANING" AT 1100 RPM WITH A/C COMPRESSOR ENGAGED - VEHICLES WITH 4.2L ENGINE
Publication Date: JUNE 29, 1999

FORD:
1997-1998 F-150

ISSUE:

A "moaning" noise may be heard at approximately 1100 rpm with A/C compressor engaged on some vehicles. This may be due to pressure pulses through the A/C hoses causing minute vibrations in the accumulator.

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