Changing Rear Main Seal
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Freshman User
Joined: Jun 2013
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Changing Rear Main Seal
I have a 78 F150 with 351M and auto tranny.
do i need to lift the engine to get the oil pan out?
from what i read some people say yes some people say no. Just want clarification, going to get this done this weekend.
Thanks!
do i need to lift the engine to get the oil pan out?
from what i read some people say yes some people say no. Just want clarification, going to get this done this weekend.
Thanks!
Cargo Master
Joined: Apr 2010
Posts: 2,600
Likes: 64
From: Billings, MT
2wd = yes
4wd = maybe, maybe not depending on your suspension.
I had a '78 with a 4" lift that had tons of room to change the pan. I think when it was stock suspension it still had room but not sure.
4wd = maybe, maybe not depending on your suspension.
I had a '78 with a 4" lift that had tons of room to change the pan. I think when it was stock suspension it still had room but not sure.
Hotshot
Joined: Feb 2004
Posts: 10,808
Likes: 2,604
From: The Shenandoah Valley
I've had the pan off my '77 F150 4x4 with 351M and swapped in new main and rod shells and rear seal and oil pump and all I did was get the truck up by parking rear wheels on some wheels layed over on sides and raising the front and setting a pair of stout stands under the frame and letting axle drop, and I undid pan hard bar at frame mount only.
I undid one main cap at a time, never did let crank drop in relation to the block, used something to push on plain end of shell and simply slid the old one out and slid new one in above crank. I don't recall a problem with rear main, it may be that I just replaced lower half .... that was 1992.
I undid one main cap at a time, never did let crank drop in relation to the block, used something to push on plain end of shell and simply slid the old one out and slid new one in above crank. I don't recall a problem with rear main, it may be that I just replaced lower half .... that was 1992.
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