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1998 GMC K2500 Sierra SL 7.4L Heater core
Posted to GM Engine on 10/5/2004 19 Replies

Hi guys, I have this truck back for the fifth time for a heater core. Needless to say the cust. isn't very happy. The voltage in the coolant is about 200 mv. or so. The ph is 9.1 or so. The last core I put in, I ran a ground wire from the core to the to the bo...

19 Replies Received (View Replies)

  Related Documents & Media  1998 GMC K2500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1998 GMC K2500 Sierra SL

VIN 1GTGK29J8W
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHeater Core
Message Closed w/FIX

car Vehicle Data

1998 GMC K2500 Sierra SL

VIN 1GTGK29J8W
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedHeater Core