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Old 07-12-2003, 01:37 AM
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haasman haasman is offline
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Join Date: Jun 2001
Location: San Francisco, CA
Posts: 3,097

I read your post with great interest as the 95 E320 wagon has similar temp issues. I posted the following: Hot Wagon

The thread ran towards the thermostat being most likely. I have yet to change it but will soon. It is my understanding that the 104 motors do run hotter than the 103 engines.

I would be sure the temp gauge is correct and verify the coolant temperature as a starting point. Temperature sending units do go bad, although my experience is they error to the cool side.

The other area I need to explore of course is the viscous fan clutch, although I do hear the roar of the fan when hot which is supposedly a quick way to tell if it is working.

I will bleed for a potential air pocket tomorrow and see if it makes any difference.

'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)
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