Neighbor said he had an oil spot on his driveway from his 2007 Chevrolet 1/2 ton pickup. Thought it might be either the rear brakes or from the oil seal on the rear axle. He got to looking and the oil was coming off of the outter U bolt holding the springs to the rear axle. After scratching around for awhile he noticed that there appears to be a tiny hole due to corrosion in the rear axle between the two U bolts. Has anyone ever heard of this?? The hole is halfway up on the axle. I told him to clean it up and patch it with some expoxy as long as the axle is not compromised. Would this tiny hole compromise the axle to the extent that is would need to be replaced?
- Thread starter andy r
- Start date
caterpillar guy
Well-known Member
I'd probably just get the u bolts off and weld it. But then I have welders for this at my disposal. U bolts would be the most costly for me if I could not get them loose or had to cut the nuts off from them. If he doesn't get the u bolts loose so he can get in behind them he will probably be chasing his leak to later or till he does get them loose or off.
DoubleO7
Well-known Member
- Location
- Crystal River, FL
check
Drill and tap for a socket type pipe plug.
It will look like original equipment in no time.
If it still leaks, upgrade to a gasketed oil pan plug.
Drill and tap for a socket type pipe plug.
It will look like original equipment in no time.
If it still leaks, upgrade to a gasketed oil pan plug.
Steve@Advance
Well-known Member
Shouldn't be hard to repair, there is no pressure there. Never seen an axle tube rust through, but then I don't live in the rust belt.
Clean it up and epoxy it would be the easiest.
Any chance the oil came from the shock?
Clean it up and epoxy it would be the easiest.
Any chance the oil came from the shock?
Geo-TH,In
Well-known Member
A few years ago a castings flaw in the rear axle of my Jubilee decided to start leaking.
The pin hole leak was in one of the holes the long bolts that holds the rear fender on. No way for me to weld inside a hole.
I Jack up the axle so oil ran to the other side. Cleaned around the pin hole and used JB weld.
Then used the next size smaller bolt to hold the fender on.
This was about 10 years ago. No leaks.
The pin hole leak was in one of the holes the long bolts that holds the rear fender on. No way for me to weld inside a hole.
I Jack up the axle so oil ran to the other side. Cleaned around the pin hole and used JB weld.
Then used the next size smaller bolt to hold the fender on.
This was about 10 years ago. No leaks.
I would question the rest of the frame and the brake lines if an axle tube is rusted through after only 15 years. They might still be good, but I would look them over very well just to be safe.
I would try epoxy or similar bubble gum fix to try an easy fix first, and of course top off the rear axle oil. Is the vent open?
I would try epoxy or similar bubble gum fix to try an easy fix first, and of course top off the rear axle oil. Is the vent open?
Hobo,NC
Well-known Member
- Location
- Sanford, NC
Well they will build pressure if the vent gets stopped up and they do. I would wager every axle seal I see leak the vent is stopped up it builds pressure and pushes oil passed the seals. When I see a seal leak be it a axle seal are pinion seal I go straight for the vent.
Most all have a restriction are stooped up.
used red MN
Well-known Member
- Location
- Coon Rapids, MN
In reply to MJMJ. Wow, I think he is still moving. Better
give him another round! Never say never! ;>)
give him another round! Never say never! ;>)
DoubleO7
Well-known Member
- Location
- Crystal River, FL
I took the description to mean that the hole is between the two clamps.
Not where the clamps touch the tube.
?
DoubleO7
Well-known Member
- Location
- Crystal River, FL
I took the description to mean that the hole is between the two clamps.
Not where the clamps touch the tube.
Appears the u-bolts may only touch the tube front and rear at 9 and 3 o'clock only. But they might not be close enough to do so.
This post was edited by DoubleO7 on 09/09/2022 at 07:51 am.
rdandersom
Member
As someone who just got burned buying a similar vintage Chevy pickup with hidden frame rot, I wish I could be surprised.
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