Heater putting out very little heat ??? - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 10-29-2008, 12:53 PM
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Heater putting out very little heat ???

1995 5251 heater is producing heat but not very hot. Even the engine temp needle is not idicating the engine is very hot. I'm not familiar with the engine enough to know if there is simply a therostat that can be replaced in the radiator hose (like many Amer. cars), or is it something more involved. Its getting cold in Pittsburgh and we need some more heat. Any suggestions?
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#2 (permalink) Old 10-29-2008, 02:10 PM
OMFG another one!?
 
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Has the heater core and lines to it been checked for clogs?

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#3 (permalink) Old 10-29-2008, 02:50 PM
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No. Any idea how to do that? A little heat is getting through but not alot. Is there an easily accessable thermostat? Is the heater core the radiator?
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#4 (permalink) Old 10-29-2008, 03:00 PM
OMFG another one!?
 
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The heater core is like a mini radiator located in the back of the engine bay behind the firewall. Any more detail I'm not sure of.

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#5 (permalink) Old 10-29-2008, 03:04 PM
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try to get a matrix valve
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#6 (permalink) Old 10-29-2008, 03:12 PM
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~~The engine temp needle is not idicating the engine is very hot~~

I think that points to the thermostat...... how low is it like barely warm at all 1/8, 1/4, 1/3, 1/2?

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