[SILVY968]

I had a second bad pinion bearing due to incorrect installation by the previous owner. Mine did not have the high whine that this post illustrates. Mine sounded like bearing noise coming from the rear end. It was easy to hear as I coasted to a stop with the engine at idle. The noise was always there, less noticeable with the top down due to the noise, more noticeable with the top up. The whirring noise did not stop until about 10mph.



To cut to the chase...now that I have had a qualified mechanic rebuild the transaxle and replace the pinion bearing, the rear end is SILENT. No sound at all. If all is well, you should only hear tire tread noise.

Brian

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[ldeprat]

Two years ago one of the 3rd gear pinions broke on my 951's LSD transmission.



Just as an FYI, the shop that rebuilt the transmission informed me that the 2 metal shards that broke off the pinion teeth were caught by a magnet that's built into the transmission before getting jammed in the gears and damaging any other parts.

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[spectre996]

Well, everything is all set now. I'll take the car in on MLK day and have her back in 2-3 days. Out the door price was $1700.

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[spectre996]

Well Boys (and the occasional Girl) I got her back today. I'm happy to report that she sounds wonderful now! Not even a hint of gear whine! Final bill was $1758. Pinion Bearings, Carrier Bearings, and some roller bearings. Almost a grand in labor, the rest was parts and taxes.

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[SILVY968]

[quote name='spectre996' post='46486' date='Jan 28 2008, 04:47 PM']Well Boys (and the occasional Girl) I got her back today. I'm happy to report that she sounds wonderful now! Not even a hint of gear whine! Final bill was $1758. Pinion Bearings, Carrier Bearings, and some roller bearings. Almost a grand in labor, the rest was parts and taxes.[/quote]



Amazing how smooth and quiet the transaxle is when its in prime shape, isn't it? I had mine done about a month ago. My pinion was split apart with the roller bearings held in place without the outer bearing body being intact.



The disadvantage of not being the first owner is that you don't know how they feel and sound "as built".

Brian

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[spectre996]

[quote name='SILVY968' post='46488' date='Jan 28 2008, 08:10 PM']The disadvantage of not being the first owner is that you don't know how they feel and sound "as built".

Brian[/quote]

I completely agree. And your right, it is amazing how quiet it actually is now. I can easily have a conversation and the radio no longer has to be almost blaring to be heard over the whine!

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