W210 300td 1999

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frenchtony

New Member
Joined
Aug 15, 2010
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2
Hi
I have a problem with the sensitivity of the heating. It is difficult to regulate the temperature it is either too hot or too cold.
I have checked the internal fan in the rear view mirror and it will hold paper on one aperture but not the other.
The car does have a/c which works.
Any ideas please.
 
Sounds like sticky duo valves?
 

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