Aerostar Rack wouldn't stop leaking
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Senior User
Joined: Jun 2004
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From: San Jose, CA
Aerostar Rack wouldn't stop leaking
The rack and pinion for my Aerostar front end would not stop leaking at those darn supply and return fittings.
For some reason Ford decided it would be a nice joke to use "one time use" nylon o-rings for the seal on the outside and a regular o-ring on the inside of the fitting.
I have never seen something so crappy as this. I could never get both the inner and outer rings to not leak at the same time.
To replace the nylon ring on the outside you need a special tool. This is a tapered cone that goes over the fitting so the nylon ring will stretch over the threads. I had to make my own tool on my lathe. That didn't matter because it still leaked.
So, what I eventually did is weld the fitting to the inside tube. Then I used a regular o-ring on the outside. So far it seems to be holding up. This worked for me because I only have a short piece of tubing after the fitting for the return line. I screw the fitting in and then slip my return hose on after with a hose clamp.
Anyone else had this kind of problem?
For some reason Ford decided it would be a nice joke to use "one time use" nylon o-rings for the seal on the outside and a regular o-ring on the inside of the fitting.
I have never seen something so crappy as this. I could never get both the inner and outer rings to not leak at the same time.
To replace the nylon ring on the outside you need a special tool. This is a tapered cone that goes over the fitting so the nylon ring will stretch over the threads. I had to make my own tool on my lathe. That didn't matter because it still leaked.
So, what I eventually did is weld the fitting to the inside tube. Then I used a regular o-ring on the outside. So far it seems to be holding up. This worked for me because I only have a short piece of tubing after the fitting for the return line. I screw the fitting in and then slip my return hose on after with a hose clamp.
Anyone else had this kind of problem?
