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> 3rd gear whine, 3rd is now spooling up....
stock93
post Mar 24 2004, 04:38 AM
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I got to drive my car around for the first time today. I have a really loud whine from the transmission when in 3rd gear and under power. As soon as I let off power it stops whinning. It only does it in 3rd gear. What do you guys thing this would be? bearing? syncro? I'm definately not a transmission guy. I guess this would be a good time to switch to side shifter?

John
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Brad Roberts
post Mar 24 2004, 04:48 PM
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I have seen 3 pinion bearing races loose in the 901 case cause the same symptoms. Right now we dont have a fix for it... you can buy new cases from Porsche however. I dont like the trend I'm seeing.. it is not good for us. The 915's already have a fix available. Hopefully we come up with something soon.


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Posts in this topic
stock93   3rd gear whine   Mar 24 2004, 04:38 AM
James Adams   Bearing. Not a syncro.   Mar 24 2004, 07:03 AM
Bleyseng   been running it alittle low on oil have we? Top in...   Mar 24 2004, 11:31 AM
stock93   Thanks guys. I have never run this trans low on oi...   Mar 24 2004, 12:29 PM
James Adams   It does not really matter, as the side-shifter you...   Mar 24 2004, 12:41 PM
bob174   You'll have to pull the engine/tranny and disa...   Mar 24 2004, 01:10 PM
SirAndy   and while you're at it, replace the mobile 1 w...   Mar 24 2004, 01:47 PM
Bleyseng   Nah, you can pull the gear stack with the intermed...   Mar 24 2004, 04:21 PM
Brad Roberts   I have seen 3 pinion bearing races loose in the 90...   Mar 24 2004, 04:48 PM
Aaron Cox   a little OT, but here goes.... i am comfortable wo...   Mar 24 2004, 04:50 PM
Bleyseng   take one apart its fun. Gear parts all over the pl...   Mar 24 2004, 05:14 PM
Aaron Cox   ...   Mar 24 2004, 05:20 PM
stock93   Geoff, Thanks for the boost in confidence. The int...   Mar 24 2004, 08:13 PM
Bleyseng   Just make sure its full of oil.   Mar 24 2004, 08:39 PM
JOHNMAN   Acox914
QUOT...   Mar 25 2004, 02:50 AM
lapuwali   Advice I'd offer on first-time trans rebuildin...   Mar 25 2004, 09:07 AM
Bleyseng   I used a permanent felt marker to label the gears,...   Mar 25 2004, 09:41 AM

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