Thread: OM603 location of coolant sending unit
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Old 02-21-2009, 02:24 AM
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compu_85 compu_85 is offline
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Join Date: May 2008
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Quote:
Originally Posted by Jeremy5848 View Post
The sensor "forward of where lower radiator hose connects to engine" is the 50C temperature switch that operates the transmission vacuum solenoid.

Jeremy
... on the W124. The W126 doesn't have that system. On my car that temp sensor is used by the climate control system for overheat protection, which turns on the rad fans to high speed and also shuts off the AC progressively.

-Jason
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