...and operate on vacum shot of valve for heat,aplay vakum on and se if working.yu hawe to tach both hoses wat going in to heater box mast be hot ven engine runing,if are not hot problem heater ...
...heater control valve isn't opening when you put it on "heat". I believe it's vacuum actuated so find the heater hoses running to firewall on the passenger side of the engine compartment and make sure ...
...heater control valve to check/replace. Could it be the thermostat - temp gauge never seems to move but engine does not seem to be overheating. reverse the heater hoses and drive it for a cpouple of ...
...heater control valve on a 1995 chevy truck 4.3 where is the heater control valve located on a 1995 chevy 1500 4.3 vortec motor It should be on the passenger side of the vehicle attached to the heater ...
...valve The heater core is on the passenger side under the dash within the heater airflow contoller box. If you had Xray vision and could look straight through the glovebox, then you would see it. The ...
where is heater control valve located on my 1999 chevy 1500 silverado Does not have one, has a door that separates heater core from the rest of a/c box in dash.
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Where is heater control valve on a 98 chevy 1500 pickup 305 engine Diagnose heater control valve Ricks Free Auto Repair Advice
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not work replaced waterpump, thermostat,heater core,inlet pipe goes into the intake,and a radiator The only thing left is the heater control valve. if you replace it,that should fix your problem.
for moter is good. blows good air. i flushed the heater coir already. I would check your heater control valve, that, or the core itself being bad, are the two most common problems I've had with Chevys
...valve behind the dash which connected to the heater switch allow the hot antifreeze from the engine to flow to the heater core and back to the engine, check and make sure the linkage still connected ...
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