Case 580c won't engage forward shuttle until high rpms

Eric559

New User
Hello all and thanks in advance for any help here... My case 580c (1979 construction king backhoe) goes in to reverse immediately and no transmission slippage, but going back into forward the shuttle hesitates until I rev up for several seconds, then it engages and will run strong without any transmission slippage but as soon as I cycle back from reverse into forward again I have to rev up to get back into forward... This has been going on for years and has gotten worse over time -- I'm wondering if there is a solenoid or pump that could be cleaned or replaced or adjusted without rebuilding the entire shuttle system?
Thanks
 
Broken feathering spring in the forward clutch pack. Time for a rebuild. Have done several over the years. Fairly easy job. About like rebuilding a Chevy Powerglide. Rebuild kits are available from several sources. Broken Tractor is a good source.
 
If you replace the Belvel washer that preloads the forward clutch pack that should fix the problem. After you remove and disassemble the shuttle unit you should be able to assess the condition of the components. A shop will want to replace all the clutch packs and bearings. I tend to be frugal(cheap) and reuse all the parts that are not used up. Your call. Sam Womer ( PA)
 

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