Bmw E34 Heater Valve Diagnosis

Bmw e34 and e32 have a funny tendency to loose the heat in the middle of winter.

Bmw e34 heater valve diagnosis.

This is an easy task you need to remove the 4 bolts on top of the heater valve disconnect the wires and then pull the valve out. If the heat will not turn off you likely have either a faulty heater control valve opens and closes the flow of hot engine coolant through the heater core or climate control panel output to the heater valve. In this video i go over what was wrong and show how i fixed it. Bmw home bmw 5 series e34 1989 1996 ventilation a c heater system.

My relatively new heater valve stopped working. Brand rating 10 75 hvac heater hose. 64118391417 search for e34 heater valve gasket set on ebay or other s. Has spent hours hooked up to the bmw diagnostic system at my dealer and they cannot find the faults.

Heater valve to left side of heater pipe 525i wagon 1992 95 heater valve to left side of heater pipe 535i sedan 1989 93 middle heater core. If this happens to you time to check the heater valve. How to replace the gaskets in a bmw heater valve for e31 e32 e34 e36. Heater system page 2.