Air Conditioning 1984 380 SE - PeachParts Mercedes-Benz Forum

errol · #1 09-03-2005, 09:25 PM

I have a 1984 mercedes 380 SE. When my a/c is off I have hot air blowing in from the vents... What's up??

pwogaman · #2 09-03-2005, 10:03 PM

Do some searching on mono-valve and vacuum leak.

mbshop · #3 09-03-2005, 11:40 PM

what many folks miss also is the foam hood pad at the back of the hood.
it seals out the engine heat from the fresh air intakes. this could be bad.

george

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