3rd Gen Engine and Drivetrain -> 2003-2007 5.9 liter Engine and drivetrain discussion only. PLEASE, NO HIGH PERFORMANCE DISCUSSION!

Rising temp with 1/2 throttle, also leaking coolant

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Old 11-14-2008, 10:10 PM
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Rising temp with 1/2 throttle, also leaking coolant

Lately my temp gauge starts to rise with 1/2 throttle, empty or loaded. Just pulled a load of cows (23200 lbs gross) ~260 miles on interstate & backroads. The truck did not run hot just spiked a temp(+200), temporarily by the in-dash gauge with ~1/2 throtle. Any good ideas?
Old 11-15-2008, 12:34 AM
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I'd say that was normal. Nothing to do. Mine will spike up a little over 200 for a few seconds not even towing...just getting on it some.

I'd say if you get up to 220-230+ sustained then you would have a cooling problem.


I think you are good.


..
Old 11-15-2008, 12:36 AM
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I agree with TEXASCTD, i have gotten it over 200* just getting on the hwy and I cools back down pretty quick, and that was empty
Old 11-15-2008, 01:30 AM
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What is your coolant leak? If it is dripping off the bellhousing, chances are it is the two hose clamps on the short section of hose by the turbo...
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