...heater control valve...check hoses going into heater core..both must be hot if heater control valve is good ..check flapper valve that closes off ac from heat..this is a door inside the duct ...
...heater core valve on vehicles that have a dual zone, ( climate control ) systems. The valve is in the area of the heater core. Something to try. allow the engine to run for 6 to 8 minutes with the ...
...as compared to the heater hose. Watch the heater valve when you operate the control knob, to see if it is opening and closing properly. quick fix try some card in front of rad ,lorry drivers ...
...valve to the heater matrix is jammed shut, the actuator has burnt out or a blocked heater matrix. Trace the smaller diameter pipe from the thermostat housing and see if you can manually operate the ...
it out either Have them look at heater control valve. Audis have an exotic heater control valve some are in view in engine compartment, others are BURIED under dash. I highly suspect that be the issue
...then the car gets cold once moving. Are both heater hoses hot when the heater is on? Look for the water control valve to see if it's letting water into the heater core. The core could be plugged
...out cold air even when the car has ben running for a while and the temp has been turned to high heater core clogged or heater ...
Replaced heater core, and now the heat works but only when accelerating or reving to 2000 rpms or more You are probably low on coolant. Check it again. Sometimes it will vapour lock on you and youmay ...
heater coolant hose circuit - perhaps a coolant control valve not fully opening, or a kinked hose. Insufficient coolant volume is flowing to keep the heater core hot. Try back flushing the heater core
... could this have anything to do with it, ie the engineer failing to re-connect something. check the heater hoses to see if they were bypassed or the inline heater controll ...
674 questions posted
Usually answered in minutes!
786 Questions
747 Questions
638 Questions
616 Questions
604 Questions
