Differential oil seal help

[Coastalman]

The pinion oil seal has developed a slow leak on my 390 rear end. Is there a replacement oil seal that can be found at a NAPA store or will I have to order one from the usual suppliers?
Thanks,
Charlie

 

[spritenut]

I did get one from the local auto parts store, my guy is old school, he uses a book, not a computer and cross referenced it to a full size Ford rear axle seal.
Unfortunately, I do not have the part number.
If my memory serves me, it was a 73 (ish) Crown Vic or LTD.

 

[Grantura_MKI]

Take the flange and old seal to industrial supply center near you. They will be able to sort a replacement seal for you.

 

[Guest]

I did get one from the local auto parts store, my guy is old school, he uses a book, not a computer and cross referenced it to a full size Ford rear axle seal.
Unfortunately, I do not have the part number.
If my memory serves me, it was a 73 (ish) Crown Vic or LTD.

Hmmm, same as a Ford 9" eh?


mark the nut and count your turns off so you can put it back "that" tight.

 

[nomad]

Give them a call. Just got one from my local O-reileys. Heed what Kellysguy said. I've used a torque wrench and not quite tightened to the book spec when refitting. If you overtighten you will ruin the correct gear lash setting.

Kurt.

 

[Guest]

Just get it from Moss and a new cruch sleeve and you won't have any problems.

 

[JPSmit]

Give them a call. Just got one from my local O-reileys. Heed what Kellysguy said. I've used a torque wrench and not quite tightened to the book spec when refitting. If you overtighten you will ruin the correct gear lash setting.

Kurt.

so Kurt (not wanting to hijack this thread) but, if I slack off the nut, will it restore the setting? (I think mine is too tight)

 

[Coastalman]

Good advice from all. The only auto supply store within 40 miles is a NAPA store so I was hoping to get a seal there. Since I will need a crunch sleeve I guess I better order both from Moss.
Thanks to all,
Charlie

 

[nomad]

Unfortunatly JP once the crush sleeve is over crushed I think you are out of luck. Unless perhaps you disassemble and put a shim washer in and go thru the setup procedure again. Don't know if that would work but think it may. Perhaps someone with more experience will chime in.

Kurt.