Thread: No Heat
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  #20  
Old 12-13-2022, 06:57 PM
LightlyToasted LightlyToasted is offline
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Quote:
Originally Posted by Nanniepoo View Post
Post #2 seems to match that operation: https://xoutpost.com/bmw-sav-forums/...ump-bleed.html. When calling for heat, even without the engine running, the valves open and pump runs.
Good find! I'm pretty sure my aux water pump is not running when calling for heat, so I suspect the pump or circuit is the problem. I may be able to test it out soon and will report back.
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