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Spizzer's avatar
Spizzer
Explorer
Oct 03, 2015

UPDATE: General DP Question (air leak in fuel line)

We just took our Cat C7 out for a few days in the mountain. After a long climb up the pass and getting to our CG, the rig smelled hot, like something was burning, even could smell it in the bedroom. ...
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wolfe10's avatar
wolfe10
Explorer
Oct 04, 2015
With a "hot rubber" smell, check your belts. Suspect you have a serpentine belt and a separate V belt driving just the water pump.

Particularly if one of the accessories (A/C compressor, alternator, fan hub) are starting to seize up, they will cause the belt to slip and burn.

Also, if the separate water pump belt is loose, it can cause this-- it is on a manual, not automatic tensioner.

Bottom line, with a burned rubber smell, I would not drive until diagnosing it.

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