Front axle seal

[Mike-1000]

A couple weeks ago when we had our first real cold day with a high around 10 degrees I had to drive to the city for an appointment. On the way back my DIC showed low air in my rear tires. I didn't think much about it and backed into the garage to add a little air. These tires want 80psi but I normally run close to 70. It seems the TPMS for the rear will light up the DIC at about 64psi. Anyway, after I got a little more air in the tires I turned the truck around and pulled into the garage. As I walked around the back of the truck I saw a nice puddle of what looked and smelled like gear oil where the front of the truck had been. I crawled under the truck to have a look and here's what I found.

Apparently the leak had just started that morning since there was no oil on the garage floor where it had been parked....until I pulled it back in. I called my service guy and got it in a couple days later. At only 7,500 miles it was a warranty repair so just an inconvenience for me.

The service manager told me that it looked like the seal was damaged during the original install. He also told me that they had never replaced that seal on a '13 before and that it took his tech longer than expected. I'm sure they have changed once since '07 and thought that setup would have been the same since the GMT900 models came out. Maybe not.

The service guys took good care of me but I guess I'll watch both axles for a while.

 

Mike

[therink]

I also had one seal go on my 2012 HD at around 30k miles. Was covered under warranty. At 44k now and everything OK.

Steve

[00Silverado4x4]

Good that you found it before a big problem happened. My passenger side went years ago & was fixed under warranty. My driver's side is a slow drip but I'd have to pay for it. Eventually I'll get it fixed.

Glad the dealer took care of you.

[kstruckcountry]

My passenger side is wet and the seal on the case is as well. So far it hasn't brought the oil down any.

[00Silverado4x4]

I keep checking mine but I've only had to add oil once. Then it was only a tiny bit. I think I might have overfilled mine when I changed it awhile ago.

[sagent]

i'm going on two so far with about 49K on the clock with my 2011 . Had same problem with my 02 and 03 Yukon

[Reynolds 14]

My right front axle seal has gone out on my 2011 Chevy Silverado 2500HD.  Anyone change them theirselves?  Also, would it be best to change both front axle seals at the same time?