don,t throw out much heat. I replaced the thermostat it worked for awhile. i am working on a 1989 gmc sierra 4x4 350 auto. Have you tried flushing out the heater core with a garden hose?
...heater core I have an 89 K-2500 5.7 with air. after you replace it I would recommend you use a anti freez, made to work with aluminum ,cause antifreezes are not all alike and some are more acidic and ...
...answer you recieved. This way we know your answer was correct. Should you need further halp please just ask. Thank You for using Fix Ya. Roger What is the firing order for a 1989 GMC Sierra 1500 ...
...replace your cabin air filter.second reverse flush your heater core with a garden hose and that should remove the build up of material in your heater core and restore the flow,hope this ...
...heater core supposed to be hot? They are not. I replaced the intake last week. Is there something that I might have missed reconnecting. I checked all the vaccum lines. Thank you for your help. ok ...
1989 gmc s15 with the 2.5 4 cyl. Its not starting. have fuel to the injector but not much come out replaced the injector same prob. new fuel pump, filter, and pressure checked the fuel line any ideas?
...1989 GMC JIMMYGas Tank for 1989 GMC R1500 SUBURBANGas Tank for 1989 GMC R2500 SUBURBANGas Tank for 1989 GMC V1500 SUBURBANGas Tank for 1989 GMC V2500 SUBURBANGas Tank for 1989 GMC S15 PICKUPGas Tank ...
1989 gmc s15 radio Heater core replaced now radio wont work Your problem is that you have GM vehicle made in the 80s! Go buy a newer Tacoma or Frontier.
1989 gmc s15 classic I just had my heater core replaced and when i got the truck back the radio does not work. Also when i close my door my interior light stays on. Take it back
...the intake gasket, new spark plugs, complete radiator flush, oil change, and temp sensor. But still no heat in cab. well either your heater core lines are clogged ore the heater core is just ...
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