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E36 (1991 - 1999)
The E36 chassis 3-Series BMW was a huge hit among driving enthusiasts from the first moment the car hit the pavement. The E36 won numerous awards over the years it was produced and is still a favorite of many BMW enthusiasts to this day! -- View the E36 Wiki

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  #1  
Old 02-25-2011, 04:41 PM
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RedBee RedBee is offline
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heating problem

Hey guys hows every one doing, I havent posted on here in a while cuz i havent had any problems with the car or any thing but i have this one small problem. My heat the car warms are really fast doesnt over eat or any anything, with in 5 mins its already passed the blue cold mark on the heater gage.

Heres the problem when i have my heat turned on no matter what lvl its at it blows hot air while driving, but when i stop on a red light or when im not driving the heat goes from hot to cold what could cause this problem? any help please thanks
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  #2  
Old 02-25-2011, 05:32 PM
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ethereal45 ethereal45 is offline
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Could be a few things, but the most obvious and also the easiest thing to fix would be an air bubble in your cooling system.

Bleed your cooling system (maybe even 2 or 3 times just to be sure) and see if the problem goes away. After that, I would look to the heater control valve possibly.
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Old 02-25-2011, 06:00 PM
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ill check that out thanks any more ideas guys?

is it hard to bleed it out?

Last edited by RedBee; 02-25-2011 at 06:01 PM.
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Old 02-25-2011, 06:24 PM
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ethereal45 ethereal45 is offline
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Quote:
Originally Posted by RedBee View Post
ill check that out thanks any more ideas guys?

is it hard to bleed it out?
How long has this problem been occurring? Have you recently done any cooling system related work?


And no it is very simple to bleed in theory, although it's not the most elegant bleeding process (it makes a mess).
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Last edited by ethereal45; 02-25-2011 at 06:26 PM.
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Old 02-25-2011, 07:09 PM
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RedBee RedBee is offline
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Quote:
Originally Posted by ethereal45 View Post
How long has this problem been occurring? Have you recently done any cooling system related work?


And no it is very simple to bleed in theory, although it's not the most elegant bleeding process (it makes a mess).
well i just noticed it about 2 mons ago
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