Thread: No Cabin Heat
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Old 03-03-2012, 09:24 AM
dablk1 dablk1 is offline
dablk1
Location: Maryland
 
Join Date: Apr 2011
Posts: 57
Mein Auto: 2002 745Li
Well it appeared that there was good "peeing pressure" inside of the reservoir which I thought ruled out the waterpump and cooling pipe. You stated that you pressure wasn't good here. When you say electric pump are you referring to the auxiliary water pump?
I guess my biggest problem is trying to solve the over heating issue/ cabin heat is secondary.

This is what happens now. 1) I fill the car with coolant. 2)in roughly 5-10 min upper radiator hose is nice and warm. 3) I.retold temp is set to 90, no cabin heat after an additional 5 mins. 4) excessive pressure in the reservoir(I crack the cap and it's boiling). 5) I shut the car down to avoid overheating.

I'll be tackling the "coolant pipe" issue on my own if that is the case. I just wanted to be certain to rule out everything else, before I really had to dig in.
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2002 BMW 745Li 102k
1991 Mercedes 300D 2.5 turbo 338k
1993 Mercedes 300E 2.6 192
1995 Mercedes E420 160k
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