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Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 9533
Experience:  worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
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My 18 speed eaton tran will shift properly thru all gears

Customer Question

my 18 speed eaton tran will shift properly thru all gears but last on high or low side.heard a rattle sound then it,s like in neutral in last gear high or low
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Wayne replied 1 year ago.

Hi I'm Wayne

I will help you with this

what you are describing is the syncro in the rear case

and/or the air piston that shifts it is leaking o-rings

in any case the back of the trans needs to be pulled

to check the syncro, and replace

I hope this helped you

Hi if this helped you

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Customer: replied 1 year ago.
thanks hope thats it
Expert:  Wayne replied 1 year ago.


Yes that is a common issue

Please remember to rate my answer,Please

Expert:  Wayne replied 1 year ago.


I'm just following up with you

I took the time to answer your question

Please take the time to reply


Expert:  Wayne replied 1 year ago.


Just wondering how you made out with the repair

Did my answer help you


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