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International Automotive Technicians Network
1989 Cadillac DeVille 4.5L Heater Core
Posted to GM Engine on 4/30/2001

Hello Fellow Techs-

I'm posting this for a co-worker who is tearing his hair out. What we have is no coolant flow to the heater core. We have flushed the heater core, inspected the control valve for proper operation, removed the hoses and checked for any bloc...

  Related Documents & Media  1989 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1989 Cadillac DeVille

VIN 1G6CD1159K
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedHeater Core
ConditionsNo Coolant Flow
Misc.California Emissions
Message Closed w/FIX

car Vehicle Data

1989 Cadillac DeVille

VIN 1G6CD1159K
Engine4.5 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedHeater Core
ConditionsNo Coolant Flow
Misc.California Emissions