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Wayne
Wayne, RV Mechanic
Category: RV
Satisfied Customers: 8438
Experience:  Work on several type of Rv engine, Trans, brakes
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I have a Winnebago 38 T motor home with an 8.1 engine

Customer Question

I have a Winnebago 38 T motor home with an 8.1 engine problem..On
When the vech is cold it runs and shifts up and down perfectly.after it is hot( 20 miles or so There is a bad viberation when shifting from 5th to 4th gear shaking the entire motor home. and it seems to be fireing back thru the intakes .I have had this to shops for trans and engine testin..There are NO CODES ,?????????
Submitted: 9 months ago.
Category: RV
Expert:  Wayne replied 9 months ago.

Hi I'm Wayne

I will help you with this

what you are describing is the front servo housing Pump

in the trans is failing , you can test all day , trans needs to be torn down

I have seen this before on a truck , we spent many hours

trying to find the issue , sent it to a Friend of mine Trans Shop

BTW, went to him 1st , he said no issue,

after 2nd day , We pulled trans and asked him to tear it down

and sure enough he found a crack in the pump housing

I hope this help you

Hi if this helped you

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Wayne

Expert:  Wayne replied 9 months ago.

Hi

Just following up with you

did my answer help you

let me know , Please

Wayne