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International Automotive Technicians Network
1986 GMC S15 Jimmy 2.8L High Pitched Noise
Posted to GM HVAC on 5/15/2002 21 Replies

Here we go again !

I thought I fixed this problem afew weeks ago but I was

wrong.

I replaced a heater core on this vehicle because it was

like a sauna inside .The core was definitely at fault and

the replacement unit heated just fine with no leaks.

The ...

21 Replies Received (View Replies)

  Related Documents & Media  1986 GMC S15 Jimmy

 
Message Closed w/FIX

car Vehicle Data

1986 GMC S15 Jimmy

VIN 1G5CT18ROG
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
AffectedHigh Pitched Noise
ConditionsAt High RPM
Misc.Replaced Heater
Message Closed w/FIX

car Vehicle Data

1986 GMC S15 Jimmy

VIN 1G5CT18ROG
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI
AffectedHigh Pitched Noise
ConditionsAt High RPM
Misc.Replaced Heater