main seal leak
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Freshman User
Joined: Jul 2003
Posts: 33
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From: texas
main seal leak
hey guys...i have a 86 f150 and i have a main seal leak.. is it better to go from the bottom of the truck or the front and what parts do i take off and in what order...thanks alot
Senior User
Joined: Jun 2003
Posts: 439
Likes: 0
From: Burnsville, MN
main seal leak
Is it front main or rear main? They can both usually be repaired in the vehicle if you are willing to bust a knuckle or two. It would help if we knew what engine and transmission you have for a rear main leak.
Senior User
Joined: Jun 2003
Posts: 439
Likes: 0
From: Burnsville, MN
main seal leak
I don't know what engine you have and it has been a while since I did this so I can only offer general information. If you can provide the details of your rig, I'm certain that others will chime in with the details of this job.
If you don't have A/C (figure 4 hour job):
Remove the grill, radiator, fan, belts, harmonic balanacer/crank pulley and timing case cover.
The oil seal can then be driven from the tc cover and replaced.
If you have A/C then the fun begins because you have to work through the top or bottom instead of through the front.
Get yourself a manual to make sure you don't miss anything and that you have the correct torque values and sequence for the front cover.
If you don't have A/C (figure 4 hour job):
Remove the grill, radiator, fan, belts, harmonic balanacer/crank pulley and timing case cover.
The oil seal can then be driven from the tc cover and replaced.
If you have A/C then the fun begins because you have to work through the top or bottom instead of through the front.
Get yourself a manual to make sure you don't miss anything and that you have the correct torque values and sequence for the front cover.
Last edited by GR8Diesel; Aug 11, 2003 at 06:01 PM.
