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1999 Chevrolet Silverado 1500 LT 5.3L Intermittant whirrin
Posted to GM Driveability on 4/15/2010 7 Replies

This a well-maintained truck. There is a VERY intermittant noise (sometime a whirring, sometime a hissing) noise coming from under the back of the cab. The noise does not change with engine speed or vehicle speed. It will appear randomly and with the noise, th...

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  Related Documents & Media  1999 Chevrolet Silverado 1500 LT

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500 LT

VIN 2GCEC19T5X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsIntermittant Whirrin
OccursIntermittently
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500 LT

VIN 2GCEC19T5X
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsIntermittant Whirrin
OccursIntermittently