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1997 621b trans problem

auto2 ยท 2009-11-20 15:11

this machine will work for a little whle then it looses all gears. wont move. let it sit for half hour and it works again. fluid is ok and clean and smells normal. shifter was changed a few years back cause it broke mechanically. speed sensor on side of trany was changed 2 years ago. machine was use in salt before i got it maybe 5 years ago. im thinking a bad ground someware? is there a chart or something of common causes for this? when it works it works normal. and either all gears work or none. which sensors can cause this ? for example the parking brake switch.

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