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  #1  
Old 08-24-2011, 07:55 PM
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Where is the thermostat housing on a 87 w124 300d?

Im Having overheating issues on hills and bought a new t-stat to try and solve the problem. I can't tell which radiator line goes to the t-stat housing, is it the upper one or the one lower on the passenger side of the block. Thanks

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Old 08-24-2011, 08:08 PM
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The lower.
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Old 08-24-2011, 08:17 PM
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Quote:
Originally Posted by aaa View Post
The lower.
X2

It's NOT on top of the engine. There is something there that looks like it, that is where I broke a stud off the block.
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Old 08-24-2011, 08:54 PM
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It's just above the alternator. BTW, the alternator in a 126 with a 603A comes out in about four minutes, making access to the thermostat easier.
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2003 Buick Regal
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  #5  
Old 08-25-2011, 02:10 AM
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In a 124 removing the 50*C temp switch just ahead of the thermostat makes it easier through by no means easy to replace the thermostat. Removing the temp switch is a puzzle in itself unless you have a wide assortment of tools.

Sixto
87 300D

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