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Blowers Working But No Heat ?


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#1 paulfoel

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Posted 23 September 2010 - 09:20 AM

Model: Mini Cooper Jap
Year:
Description of problem (please be as in depth as possible):
Blowers seem to work ok but when I switch it over to heat it isnt hot at all.

Dont know a great deal about it but I thought mini heaters were pretty simple. Cold - air comes from outside, hot - air comes from engine and that the switch just diverted something manually.

Or am I wrong? Any ideas?


Any non-standard parts that might be involved with the problem?
Nope

#2 Wil_h

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Posted 23 September 2010 - 10:12 AM

All the air that goes through the heater come from outside; it then gets blown through the heater matrix. The heat is controlled by how much hot water is diverted through the heater matrix from the engine (not many cars do this, Rolls Royces do, well maybe not current models).

If it only blows cold there are a number of possible reasons:

1) a blockage in the feed to the heater matrix
2) a stuck/broken valve (left hand side of head)
3) an air lock
4) you hve too little water in your coolant

#3 Spitz

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Posted 23 September 2010 - 07:00 PM

Model: Mini Cooper Jap
Year:
Description of problem (please be as in depth as possible):
Blowers seem to work ok but when I switch it over to heat it isnt hot at all.

Dont know a great deal about it but I thought mini heaters were pretty simple. Cold - air comes from outside, hot - air comes from engine and that the switch just diverted something manually.

Or am I wrong? Any ideas?


Any non-standard parts that might be involved with the problem?
Nope


Soounds like ( correct me if I'm wrong ) that you're just pushing the lever over to heat/car.
There is a knob on your switch panel that controls the hot water flow to your heater. If you have a Jap spec MINI, I'm asumming it;'s a later model with the inline tap. In this case pulled out would be for hot...pushed in for cold. Older cars with tap on the head it is the reverse.




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