BW35 slip in reverse

J

Jens

Member
a month ago it started with slip under load now after 400 km almost no traction.
Gearbox data:
BW35, 40 kkm from overhaul, in D good up-/smooth down shift: full throttle:slight slip 1 to 2 and bit hold/push 2 to 3, recent ATF exchange, correct ATF level and KD adjustment.
Appreciate to hear your suggestions about the R slip.
 
If you've had the wrong fluid in it, then that could cause the slight slip on the 1-2 shift. If you've now got the correct fluid then that may well cure that particular problem. If not you could check the front band adjustment. If all forward gears operate perfectly, and there's no problems with TOP gear at all, then the REVERSE problem will be associated with the rear band or it's operating mechanism. If you roadtest in selector position "1" and you don't have engine braking, that will confirm it. You could check the rear band adjustment. If the adjuster isn't loose, but it adjusts up a long way, then the servo could be adrift or broken. You can drop the sump to have a look. If you need to check the front band adjustment, then you'll need the sump removed anyway.
 
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