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AW-71 1-2 Shift Valve Stuck? 900

posted by  Townshend Act on  Fri Oct 13 04:22 CST 2017
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last visit: Tue Oct 7 22:44 CST 2014
[RELATED]

Hi Everyone,

When "Cold", my AW-71 trans will not automatically upshift from 1st to 2nd gear. I can get it to upshift by manually going into Low (1st) and upshifting into 2 or Drive range while driving. As soon as the engine/trans reaches normal operating temperature, it shifts great.

Seems like a stuck 1-2 shift valve. Any commercial or shade tree products out there to free up this valve body component?

Transmission History: 7,000 miles on complete professional rebuild. Trans fluid has been drained and flushed twice. Fluid is exceptionally clean, red, and not burned. Shift linkage is adjusted properly with new bushings installed. The Kick-Down cable is Volvo OEM and properly adjusted.

Transmission shifts and performs excellent in all ranges when WARMED UP. Problem is only on every COLD start up.

Trichard: What do you think Sir?






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