Rear end leaking near brakes


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Yard Art
Yard Art

Posts: 78

Joined: Wed Dec 18, 2013 11:37 am

Location: Albuquerque

Post Tue Jun 17, 2014 3:37 pm

Rear end leaking near brakes

So my rear end started leaking on driver side when parked on level surface and passenger side when parked on an angle with passenger side being the lowest. Trying to figure out what could be a solution to this. Replace rear end? Check out the master cylinders (s)? A little help please?
Great days begin with fantastic mornings!

Golden Jubilee
Golden Jubilee

Posts: 1806

Joined: Tue Jun 25, 2013 5:26 pm

Location: Dinuba, central CA

Post Tue Jun 17, 2014 3:38 pm

Re: Rear end leaking near brakes

Brake fluid or smelly gear oil or both?
1933 IHC Bus. Cpe
1933 IHC B-3 f
1935 C-1 IHC pickup
2 x 1936 IHC C-30 Fbs
3 x 1938 IHC D-2 Pickups
1938 IHC D-30 fb
1941 IHC K-1
2 x 1947 IHC KB-1 Pickups
2x 1953 IHC R pickups
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Yard Art
Yard Art

Posts: 78

Joined: Wed Dec 18, 2013 11:37 am

Location: Albuquerque

Post Tue Jun 17, 2014 3:51 pm

Re: Rear end leaking near brakes

It smells like gear oil. And my brake fluid is still full and brakes are working.
Great days begin with fantastic mornings!

Rusty Driver
Rusty Driver

Posts: 159

Joined: Thu Dec 20, 2012 9:24 am

Post Tue Jun 17, 2014 4:04 pm

Re: Rear end leaking near brakes

Time for axle seals. There was an article in "Cornbinder Connection" a month or so ago that said if your seals fail faster than they should, you might need to have a shop true up your axle tubes.

John

Golden Jubilee
Golden Jubilee

Posts: 1806

Joined: Tue Jun 25, 2013 5:26 pm

Location: Dinuba, central CA

Post Tue Jun 17, 2014 4:21 pm

Re: Rear end leaking near brakes

Axle seals and/or over filled differential.
Gotta pull rear wheels and drums and look.
Tapered axles usually means you need a puller to get drums off. Remove big nuts on ends first.
Rent one or borrow a hub puller.
Once the drums are off verify that wheel cylinders are dry.
It's also very important that there's no side to side movement of tapered axles in housing otherwise new seals by themselves won't fix leak.
Good luck!
1933 IHC Bus. Cpe
1933 IHC B-3 f
1935 C-1 IHC pickup
2 x 1936 IHC C-30 Fbs
3 x 1938 IHC D-2 Pickups
1938 IHC D-30 fb
1941 IHC K-1
2 x 1947 IHC KB-1 Pickups
2x 1953 IHC R pickups
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Yard Art
Yard Art

Posts: 78

Joined: Wed Dec 18, 2013 11:37 am

Location: Albuquerque

Post Tue Jun 17, 2014 4:29 pm

Re: Rear end leaking near brakes

Thanks for the advice! Talked to my shop guy and he says if it's a "floating" rear end he can put new seals on it. If it's a 'covered' rear end I'll have to take it to the antique chassis place down here in New Orleans. I'll let y'all know how it works out....
Great days begin with fantastic mornings!
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Yard Art
Yard Art

Posts: 78

Joined: Wed Dec 18, 2013 11:37 am

Location: Albuquerque

Post Tue Jun 17, 2014 4:34 pm

Re: Rear end leaking near brakes

Smog_guy wrote:Axle seals and/or over filled differential.
Gotta pull rear wheels and drums and look.
Tapered axles usually means you need a puller to get drums off. Remove big nuts on ends first.
Rent one or borrow a hub puller.
Once the drums are off verify that wheel cylinders are dry.
It's also very important that there's no side to side movement of tapered axles in housing otherwise new seals by themselves won't fix leak.
Good luck!



I did refill fluid recently too....hrmmmmmm?? :oops: :|
Great days begin with fantastic mornings!

Golden Jubilee
Golden Jubilee

Posts: 1806

Joined: Tue Jun 25, 2013 5:26 pm

Location: Dinuba, central CA

Post Tue Jun 17, 2014 4:40 pm

Re: Rear end leaking near brakes

Generally speaking, the gear oil coming out past the drums ruins the brake shoes.
The number of old vehicles purposely run low on gear oil so it doesn't run out the axles must be huge.
1933 IHC Bus. Cpe
1933 IHC B-3 f
1935 C-1 IHC pickup
2 x 1936 IHC C-30 Fbs
3 x 1938 IHC D-2 Pickups
1938 IHC D-30 fb
1941 IHC K-1
2 x 1947 IHC KB-1 Pickups
2x 1953 IHC R pickups

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