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Discussion Starter · #1 ·
Just came back from leaving Serenity for rear seal repair. Came out of Waffle House and lo and behold a puddle had formed under my baby. Went straight to Dealer, leaked pretty steady while on apron. Put on rack and saw that oil was splattered all over the exhaust, pumpkin, and underbody. Lucky for me I noticed it as it had just developed I think, nope just noticed a fresh puddle in garage, must have happened in the last few days. Mileage was 2415. Will advise on status and any input I receive. No Tech Bulletion from Saturn on problem, we checked this morning. Was given a Red Line VUE to drive, Silver of course. At lest I will the problem corrected early in Serenity's life.:thumbs:
 

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Leaking diff

Ernest said:
Just came back from leaving Serenity for rear seal repair. Came out of Waffle House and lo and behold a puddle had formed under my baby. Went straight to Dealer, leaked pretty steady while on apron. Put on rack and saw that oil was splattered all over the exhaust, pumpkin, and underbody.....
Ernest,

seems your'e one of the first Sky owners with a leaking diff. I hoped GM/Getrag had solved the problems but now it shows they didn't. But at least is not such as big a problem as with the 1st gen Sols.

If I remember the discussions on SolForum there had been three problems

- wrong quality of the seal(s) (mineral oil/synthetic oil problem?)
- misfunktion of the venting valve (over pressure in the box)
- overfilled gearboxes (over pressure in the box)

Could be helpfull for other members to find out what's the concret reason in your case and what kind of solution the dealer made. If it's possible try to get these informations from your dealers technican and post here.

BTW does somebody know if the GETRAG diffs are manufactured in Newton, NC or delivered from the German plant or whereelse in the world?
 

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I noticed that "Serenity" has an early VIN. Hopefully there will be few with this problem. Sorry to hear of yours, Ernest.
 

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Yep, Mine is leaking also. Dealer just replaced the "Venting Valve" June 1st, and I still have a small leak. Will monitor.
 

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Sunny Ragtop said:
Yep, Mine is leaking also. Dealer just replaced the "Venting Valve" June 1st, and I still have a small leak. Will monitor.
Sunny Ragtop,

did they control the oil filling level and was it correct?
 

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Ernest you have to get Serenity ready for this weekend so she and Little Missy can go out prancing. Seriously though I hope it gets fixed soon we are looking forward to seeing you soon.
 

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Discussion Starter · #11 ·
It is official, a rear seal replacement. Saturn parts warehouse doesn't have them, they had to go direct to GM parts warehouse. Depending upon how long GM takes to pull the part, it will be overnighted to dealer, replacement should only take 2-3 hours. Maybe have Serenity back by weekend, 1st of the week tops. I know my parts and service department can do miracles, 'cause they are #1 in my book!!!!!!!
 

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Discussion Starter · #13 ·
marklynn70 said:
That is good news.
Great news, seal arrived this a.m., FED X overnight:thumbs: Will be installed right after lunch today. I plan to be there to watch the procedure if schedule permits me. If anyone is interested I will explain what I observed and get a picture of faulty seal. Will be back on the road this p.m. barring any unforeseen snags.

Mark, get yourself ready for Serenity & I are heading your way early Saturday morning so we can knock 'em dead at the Lampasas Car Show:thumbs: We should take 1st & 2nd place easy in the roadster class, eh Buddy?:D

Really looking forward to seeing you & Lil Missy again!!!!!!
 

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Glad to hear they gave it a fast response and overnighted the part.

Let us know how it goes and how we may be able to advance diagnose our Sky to get the fix before we find it "wet the bed".
 

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Discussion Starter · #16 ·
Serenity is home as good as new, operation a success!!! Did not get to observe the operation as they were almost done by the time I got there. Old seal looked okay visually, but you can't go by that. I will keep an eye on her fer sure!

Okay, Mark, all systems are go!!!!!!! Take off time 530 a.m. Sat. ETA 830 a.m.:thumbs:
 

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The official Bulletin

Subject: Rear Axle Pinion Seal Leak - keywords axle fluid leak pinion repeat #PIP3671D - (04/07/2006)



Models: 2003-2006 Cadillac CTS

2004-2006 Cadillac SRX

2005-2006 Cadillac STS

2006 Pontiac Solstice

2007 Saturn Sky




--------------------------------------------------------------------------------

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

Condition/Concern:
The rear axle pinion seal may experience a fluid leak condition. During seal replacement, the new seal may still leak as work on the vehicle is being completed. It is possible that when replacing the seal, the rear axle lube is seeping through the pinion bearings. The lube then gets past the rubber seal and gets trapped behind the metal "dust shield" before the pinion yoke is installed. When the dealer installs the pinion yoke, the trapped fluid is squeezed out and gives the illusion of a continued leak.

Recommendation/Instructions:
Inspect the new seal for the presence of the internal "garter" spring and make sure it is there. If not, use a seal that does have it. Also inspect the new seal for metal contamination in the grease used to lube the seal lip. If there is any contamination, discard the seal and use only a debris free seal that is supplied with grease.

All stock of the pinion seal at SPO as of March 15th, 2006 has been inspected and should be free of these issues.

When replacing the pinion seal, make sure that the pinion bore is free of excess fluid that could get trapped before the yoke is installed. Install the new seal and the original yoke promptly, before excess fluid seeps into the area.

This should prevent the lube from being trapped behind the dust shield.

Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
 
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