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Cowl: All Technical Service Bulletins
Cowl - Snapping or Popping Noise

NUMBER:

86-B-53

GROUP:

2B-Light Duty Cab

DATE:

March, 1986

SUBJECT:

COWL POPPING NOISE

MODELS:

1983-86 S/T JIMMYS

On some 1983-86 S/T Jimmys operating in low ambient temperatures, a condition may exist where a snapping or "popping" noise is heard coming from
the cowl. This noise is caused by an "oil can" effect between the windshield frame and the door frame. The service procedure for eliminating the noise is
as follows:

1.

Remove the windshield wipers and radio antenna.

Body and Frame > Unibody > Cowl > Component Information > Technical Service Bulletins > All Technical Service Bulletins for Cowl: > 86B53 > Mar > 86 > Cowl - Snapping or Popping Noise

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