Thread: '92 300D 243K head gasket leak, what should I do?
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Old 09-09-2009, 02:21 PM
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sixto sixto is offline
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Join Date: Jun 2000
Location: Eastern TN
Posts: 20,851
I wouldn't attempt the Rockies in a car that sits at 100*C while cruising at 70.

How about changing the thermostat and coolant immediately and see what that does to operating temps? Umm... and just for kicks try coolant that isn't green. If that gets it to where you really have to push it to see 100*C, make sure the coolant level sensor works then head for Boise.

Sixto
87 300D
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