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Old 04-21-2021, 03:48 PM   #7
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Re: Duramax/Allison downshift?

Quote:
Originally Posted by 1976gmc20 View Post
Well, I'm probably just talking into the void right now - but ...

The problem was the "coolant bypass hose" they said the clamp was loose and they don't know how in the world she made it from Montana to Michigan, and then from Michigan to Denver pulling a 10K# gooseneck without it leaking before yesterday!

$340 to repair a loose hose clamp

Would removing or loosening this hose be something a shop would do when draining/flushing/refilling the coolant ???
Not talking to the void at all. I was dealing with pavement sealing my driveway and cleaning nine outdoor equipment carburetors in the ultrasonic hot tank yesterday so I didn't check in here. Still have three to go and one is a beast to get to down inside a ZTR mower.

If that hose is nasty to get to I doubt a shop would mess with it flushing the coolant. Surprising she got away with it from MT to MI and MI to CO towing a gooseneck with horses inside. She must be living right cause the good lord is looking out for her.
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RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 04-21-2021 at 03:55 PM.
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