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V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Driveshafts | Differentials | Gears | Rearends | Clutch | Shifters

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Old 06-22-2013, 10:33 AM   #1
bradshaw
 
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Changed axle seal 3 times , still leaking?

I have changed the seal 3 times but continue to leak from the seal area, also have a lot of metal filings in oil each time the plugs are removed. Any ideas? Car going back to dealer next week.
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Old 06-22-2013, 10:48 AM   #2
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Check your axles where they ride on the seal. Any roughness or scoring will destroy a seal real fast. There are also updated seals that are called for in the TSB. The old seals are supposedly not compatible with the LS gear oil, which is the one with the friction modifier already mixed in. As for the metal shavings, if you fell it's excessive, I'd pull the diff and open it up and check things out.
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Old 06-22-2013, 10:52 AM   #3
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I think that would be the next step is to open it up and check inside, they said the axles were fine, no roughness or scoring.
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Old 06-22-2013, 11:39 AM   #4
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Side bearings could be going. That would make metal and cause the axle to wobble. Thus leakage.
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Old 06-22-2013, 11:51 AM   #5
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Both left and right bearings at the same time? Have changed both left and right seals, right side holding up just the left side continues to leak.
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Old 06-22-2013, 12:04 PM   #6
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There is a very fine spring on the inside lip of the axel seals. One of the springs from one of the three times you changed the seals could have been knocked off during insertion or removal of the axel. Do you still have the seals you removed the other two times to see if the springs are still on the seals. If you're missing any springs, This could account for the metal you found.
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Old 06-22-2013, 12:07 PM   #7
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I could check if they still have them.
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Old 06-22-2013, 12:24 PM   #8
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You obviously at some point are going to pull the still leaking axel. When you do, check to see if the spring is present on the seal. If it isn't, a seal with the spring missing will for sure leak.
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Old 06-22-2013, 12:35 PM   #9
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I had the seal changed on Thursday by the dealer,they test drove it 10 miles, I drove it about 10 more miles, checked Friday morning, seal is leaking.
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Old 06-22-2013, 12:39 PM   #10
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I'll go out on a limb and say I believe the spring is missing on that leaking seal. Let us know how you make out.
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Old 06-22-2013, 03:11 PM   #11
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Quote:
Originally Posted by bradshaw View Post
I have changed the seal 3 times but continue to leak from the seal area, also have a lot of metal filings in oil each time the plugs are removed. Any ideas? Car going back to dealer next week.
Hello bradshaw,

Sorry to hear about your leak. Was your vehicle serviced at a dealership all 3 times? I see you mentioned your visiting a dealer soon. Be sure to keep us updated on the progress and if there is anything we may assist with.

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Old 06-22-2013, 03:39 PM   #12
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Not the the first two times, just the last time.
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Old 07-02-2013, 09:04 AM   #13
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Update, have been to the dealer twice, still leaking, they are advising I have a new style gear oil with old style seals which caused seal to leak? They changed out both seals with a new style seal. Well I still got a leak. Is there a new style gear oil?
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Old 07-02-2013, 03:51 PM   #14
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I think the dealer is following this bulletin:
Subject:Rear Axle Chatter Type Noise on Low Speed Turns (Excluding ZL1)

Models:2010-2012 Chevrolet Camaro (Excluding ZL1)
Equipped with Limited-Slip Differential (RPO G80)


Attention:For 2010 and 2011 vehicles built prior to August 25, 2010, if the chatter noise you are experiencing occurs only in Reverse while making a turn, please review the latest version of PIC5424.
This PI is being revised to add an Attention statement and update the Recommendation/Instructions. Please discard PI0137B.The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition/Concern


Some customers may comment on a chatter-type noise from the rear of the vehicle while making low speed turns.
This condition may be caused by a slip/stick of the posi-traction clutch plates. As the plates slip and stick, a jumping or jerking feel occurs, accompanied by a chatter noise.

Recommendation/Instructions

Caution: The rear axle seals must be replaced. The original seals are not compatible with the new fluid.

Replace both rear axle shaft seals with GM P/N 22798805 and drain/refill the rear differential with new fluid, GM P/N 88862624 (in Canada, use P/N 88862625). Refer to the Rear Axle Shaft Seal and Differential Oil Replacement procedures in SI. This fluid includes a limited-slip additive (friction modifier) already added. DO NOT add any limited-slip additive (friction modifier).
Important: Please advise the customer that once the differential fluid has been changed, it may take as long as 805 km (500 miles) for the lubricant to fully penetrate the limited slip clutch plates. During this period some chatter may still be felt on initial startup while making slow turns until the rear differential fluid warms up.

Note: DO NOT re-use the wheel drive shaft nut. Replace with NEW only.

I`m not sure what gear oil is presently in the differential? I am trying to find this out. I am at a loss as to why they didn`t change the fluid out to ensure what is in there. Have to make another visit to change out the right seal now as it is leaking after having both replaced last week. I have already paid almost $800 to my dealer.
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Old 07-02-2013, 03:52 PM   #15
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According to my invoice from my dealer they added the 88862624 fluid to top off the level, but I still don`t know what was in there before.
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