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  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech

Rear end leak??

  • Thread starter Thread starter ohyaa
  • Start date Start date Jan 2, 2009
O

ohyaa

Member
May 27, 2004
42
0
6
Henderson, NV
Jan 2, 2009
#1
  • Jan 2, 2009
  • #1
I have been chasing a leak on each end of the rear end at the brakes. I have replaced the axle seals twice and a brake master cylinder once. It looks like brake juice not axle grease.

When I changed the axle seals, i cleaned up the axle shaft with some emory cloth.

What am I missing here?
 

gonzothegreat

Member
May 4, 2004
421
1
16
London (uk)
Jan 3, 2009
#2
  • Jan 3, 2009
  • #2
I have the same
Not sure from where it's coming from, the brakes or the axle. I'll have a good look when I upgrade to rear disc next month or so.
 

Bullitt

Packin' Heat
Founding Member
Jan 13, 2000
2,743
0
47
Houston, TX
Jan 3, 2009
#3
  • Jan 3, 2009
  • #3
Next time you have the axles out, have them checked at a machine shop for straightness. Had this issue on a 9" axle that had 2 bent axles (axle was bought from a junkyard). They leaked no matter what condition the seals were in up until the day they broke...
 

gonzothegreat

Member
May 4, 2004
421
1
16
London (uk)
Jan 3, 2009
#4
  • Jan 3, 2009
  • #4
Strange, it only started leaking after I've changed the seals, well a while after.
 
D

D.Hearne

New Member
Sep 29, 2000
11,730
6
0
south louisiana
Jan 3, 2009
#5
  • Jan 3, 2009
  • #5
ohyaa said:
I have been chasing a leak on each end of the rear end at the brakes. I have replaced the axle seals twice and a brake master cylinder once. It looks like brake juice not axle grease.

When I changed the axle seals, i cleaned up the axle shaft with some emory cloth.

What am I missing here?
Click to expand...

The "wheel cylinders" are leaking. These are the small metal cylinders that push the brake shoes against the drums. You can buy new or rebuilt cylinders at your local parts house.
 

gonzothegreat

Member
May 4, 2004
421
1
16
London (uk)
Jan 3, 2009
#6
  • Jan 3, 2009
  • #6
D.Hearne said:
The "wheel cylinders" are leaking. These are the small metal cylinders that push the brake shoes against the drums. You can buy new or rebuilt cylinders at your local parts house.
Click to expand...


oh that's why my brakes are crap
good thing I'm upgrading to discs soon
 
O

ohyaa

Member
May 27, 2004
42
0
6
Henderson, NV
Jan 3, 2009
#7
  • Jan 3, 2009
  • #7
D.Hearne said:
The "wheel cylinders" are leaking. These are the small metal cylinders that push the brake shoes against the drums. You can buy new or rebuilt cylinders at your local parts house.
Click to expand...

I used the wrong term originally, master cylinder should have said wheel cylinder. They were new to start and I just replaced one of them again thinking that was the leak. Also all new brake lines on the rear end.
 
D

D.Hearne

New Member
Sep 29, 2000
11,730
6
0
south louisiana
Jan 3, 2009
#8
  • Jan 3, 2009
  • #8
You might not have the brake lines seated all the way in the wheel cylinders. That or you've got some defective cylinders.
 
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