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1997 GMC K3500 Sierra SL 6.5L Control Head
Posted to GM HVAC on 9/15/2003 3 Replies

Working with dealer & Alldata info. I have 6 failed heads, all the same way. each with decresing amount of time between failures, last one was good for about 10 min.

Control fails with no a/c signal out of head on plug "C3", termnal #10, no mode door function...

3 Replies Received (View Replies)

  Related Documents & Media  1997 GMC K3500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1997 GMC K3500 Sierra SL

VIN 1GDJK43F9V
Engine6.5 L / 8 cyl / DIESEL
Trans5-speed Standard
DeliveryFI
AffectedControl Head
ConditionsLoss of Clutch Out Put,Mode Door,& Rec. Door
Misc."Sl" , Turbo, Heavy Duty
Message Closed w/FIX

car Vehicle Data

1997 GMC K3500 Sierra SL

VIN 1GDJK43F9V
Engine6.5 L / 8 cyl / DIESEL
Trans5-speed Standard
DeliveryFI
AffectedControl Head
ConditionsLoss of Clutch Out Put,Mode Door,& Rec. Door
Misc."Sl" , Turbo, Heavy Duty