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G50 Noise
Hey everyone,
Well I finally picked up my 89' 930 this weekend and everything is perfect except one strange noise. At low RPM's (below 2000), no matter what gear I am in, a rattling noise comes from what sounds like the tranny. The seller told me it is a common noise with G50 trannies. Has anyone ever heard of this? A PPI was performed and no mention of this noise. By the way, this is the most incredible car ever.....so happy I finally got my 930!!! Thanks |
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03-09-2003, 05:50 PM
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Join Date: Mar 2000
Location: St Charles Il
Posts: 1,417
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The seller told me it is a common noise with G50 trannies.
Yup. No big thing By the way, this is the most incredible car ever Yup... part 2 Welcome to the club. david 89 turbocab |
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03-09-2003, 05:54 PM
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Correct - common and nothing to worry about. Best fix is to never be below 5-6k rpms.
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2022 BMW 530i 2021 MB GLA250 2020 BMW R1250GS |
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03-09-2003, 07:03 PM
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I'm glad it's nothing!!!
Now I just can't wait until the weather gets better so I can actually drive the car! Once I get a chance I will post some pics. |
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03-09-2003, 07:06 PM
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Join Date: Oct 2002
Location: so cal
Posts: 569
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My 89 carrera had a funny noise in low gear when I let the clutch out and I was told that all g50s had these noises. Funny thing happened when I changed the flywheel, clutch, THROWOUT BEARING, g50 upgrade, ring gear, the noise went away. I know now that they dont all make noise,
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03-09-2003, 07:24 PM
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Join Date: Jul 2002
Location: Washington DC
Posts: 619
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Nothing abnormal according to what I read. My noise is quiet, but noticable - only under about 2K RPM and only when clutch is engaged (pedal out).
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96 993 88 911 (Sold) 87 951 (Sold) |
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03-09-2003, 07:47 PM
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Join Date: Aug 2002
Location: Galivants Ferry, SC
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Porsche had a tech bulletin on this...they tried a number of things, with a number of service bulletins... until finally ( drum roll please !!!)...
They used fat rubber bands around the shift linkage at the point where the access cover plate resides. Excellence in Engineering !! ---Wil Ferch
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Wil Ferch 85 Carrera ( gone, but not forgotten ) |
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03-10-2003, 07:04 AM
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So does that mean there is actually a fix for this?
Is it a simple fix or pretty costly? Thanks for all the feedback |
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03-10-2003, 07:21 AM
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Schleprock
Join Date: Sep 2000
Location: Frankfort IL USA
Posts: 16,639
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There's more to the G50 noise than just the rubber o-ring around the shift linkage.
Synthetic gear oil quieted mine a bit, but not a cure-all. The gearbox is just noisy. Low speed gear noise is a common complaint about the early G50 trans. Here's a copy of what Wil mentioned.  
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Kevin L '86 Carrera "Larry" |
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03-10-2003, 08:42 AM
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Mine rattles like crazy also. Drives me nuts. My local P-Car Dealer says neither attempts by Porsche to fix this problem did it completely. Can someone give me a $ for this enhancement? I am for anything that will quiet it down.
Last edited by cicsprog; 03-10-2003 at 10:00 AM.. |
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03-10-2003, 09:43 AM
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Join Date: Jan 2003
Location: London
Posts: 26
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Yep, mine does it too. A slight graunching / rattling noise particularly at low revs if you come off the gas. I too was told it was totally normal - quite reassuring to find out that it actually is !
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'89 3.2 Coupe |
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03-10-2003, 09:44 AM
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It is good to hear that there are so many noisey G50's. At red lights it sounds like a loose chain.
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03-11-2003, 04:50 AM
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1989 Porsche 930 3.3L Turbo
Only Porsche
Only bike
1987 Porsche 911 3.2
