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1998 Chevrolet Express 2500 5.7L Heater Hoses
Posted to GM Engine on 1/6/2003 5 Replies

Hi. The van has thumping noise in the heater hoses when you hold it just above idle. The radiator hoses do not have a thumping noise at all. At first the noise was only once in awhile. Now it's happening more frequently. It sounds like the water is boiling in ...

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  Related Documents & Media  1998 Chevrolet Express 2500

 
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet Express 2500

VIN 1GAGG25R4W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHeater Hoses
ConditionsMake Thumping Noise
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet Express 2500

VIN 1GAGG25R4W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHeater Hoses
ConditionsMake Thumping Noise