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1993 940 AW70L Hydraulic Noise in First Gear 900 1993

posted by  jd620 on  Tue Oct 5 03:53 CST 2010
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last visit: Fri Oct 17 07:42 CST 2014
[RELATED]

I bought the car with 218K miles on it and have done quite a bit of work on it. I did a complete flush of the transmission after replacing the rear engine and front transmission seals. I now have 220K on the car. The transmission makes lots of hydraulic like noise until it shifts into 2nd gear. Everything seems to work fine, the shifting, OD, etc. I have several other cars with the AW70L transmission so know what normal sound is. Any ideas what it could be? Worn balls in transmission per faqs:
"[Tip from Gary De Francesco] Rough 1 - 2 shifts are a possible sign of a worn rubber ball in the valve body that regulates how fast the various clutches and brakes are applied. As the ball wears, the fluid flow rates in some of these regulating passages can increase which will cause the various hydraulic actuators to engage faster.-----"

Thanks
--
Mine: 3-940s running, 3-740 and 1-940 parts cars, and 3 John Deere 630s, dtr1:3-940s, dtr2:2-740s






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