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1988 BMW 535i air blowing cold

Tiny
FRANK11
  • MEMBER
  • 1988 BMW 535I
  • 170,000 MILES
The fan in the car works, it does not overheat but there is no warm air going to the cab of the car, I feel no warm air at all, the temp gauge is working fine and shows that the engine is warm. Where is the thermostat on my car, can that be the problem.
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Wednesday, November 13th, 2013 AT 4:23 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Check to see if both heater core hoses get hot when the engine is warm and the heater is on high and let me know what you find.
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Wednesday, November 13th, 2013 AT 5:13 AM
Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
The heat on this car is controlled by a set of valves on the firewall in the engine compartment on the drivers side. They're under a cover that pops off and you can check for power at the plug that control those valves
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Saturday, January 25th, 2014 AT 5:52 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
There has to be hoses that supply heated coolant to the heater core.
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Sunday, January 26th, 2014 AT 4:02 PM

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