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Left axle seal leak, 3rd clutch hsg bushing failed


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2004 Deville DTS w/ 70,000 miles. Trans fluid leaking. Dealer tells me the left axle seal is hot due to the 3rd clutch housing support bushing failing so now I need to replace the whole tranny at $3800. Thw mwchanic told me they have had 3 others in over the last 2 months with same problem but less miles than mine. I am curious if this is a common problem with this model or through a certain year range? Has anyone here had the same issue and had to replace the tranny? Is there something that causes this bushing to fail that i am not paying attention to or is it an intermittent design problem?

Thanks in advance for any input.

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If by left you mean the driverside, no we have NEVER seen or heard of that problem.

We have seen the right side or passenger side have the problem a couple of times including Logan, but it was an older vehicle, Ill try to find the thread. That problem was accompanied by vibration. I don't recall if the axle seal leaked, but it should of from the description by Logan

Logan was able to repair the problem, a replacement transmission was un-necessary

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Why can't the existing transmission be repaired? I would have a transmission shop look at it to get a second opinion.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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yes its the drivers side, sorry. The problem with the seal going out was due to the 3rd clutch housing support bushing failing. Problem I had is when there was another one in a stall across from mine with the same problem. The service mgr let me see it while it was on the jacks. Then the mechanic told me that mine is the 4th one in 2 months. Either this shop is blaming everything on this 3rd clutch support bushing or there is a problem from GM that needs addressing. I am wondering if there are any others that have seen this also.

The repair on the tranny is almost as expensive as a new one. The local tranny shop told me they wouldnt repair this bushing and seal only due to prior attempts that have shown other failures caused by the bushing going bad. They even mentioned this as a problem that they have noticed with 04 - 05 devilles.

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I dont think this is the same problem but your problem reminded me of this thread by Logan that I mentioned above, I believe this is the passenger side and its related to:

bearing/bushing/case in the trans axle, where the axle enters, was worn and the axle was loose

At high speeds the axle would bow out at the inner CV joint (run in an elliptical fashion)

http://caddyinfo.ipb...h=1entry74141

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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