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Old 08-01-2011, 02:19 PM
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tbomachines tbomachines is offline
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Join Date: Mar 2009
Location: Philadelphia
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Quote:
Originally Posted by sixto View Post
Check for mayonnaise under the oil filler cap and do a cold compression test.

Doesn't the M103 have a coolant bleed port in the head near the upper radiator hose fitting?

Sixto
87 300D
There is a bleed screw on the top of the thermostat housing, unless that particular m103 is equipped with the junky black plastic thermostat housing. Most have the aluminum housing, I'd highly recommend replacing the plastic one with an aluminum unit is to equipped.
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