Ford 400 Big Block
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Ford 400 Big Block
I have a 400bb in my 83 F-100. The rear main is going out. Im wondering if anyone knows about this or has done one. Do I need to pull the motor, or can I just drop the oil pan and tranny?
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Joined: Jul 2012
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From: Los Molinos, CA
A quick search popped up this thread, which sounds like your situation. https://www.ford-trucks.com/forums/8...-in-truck.html
Sounds like you need to drop the tranny and some other little things, but it can be done in the truck
Sounds like you need to drop the tranny and some other little things, but it can be done in the truck
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Joined: Nov 2006
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From: Simi Valley, CA
Only 1980/82 F150/350's & Bronco's were available with 400's. No 400's were factory installed after 1982.
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From: Virginia
You will have to take the engine loose and lift it up and put it on blocks so you can get the oil pan off. Then you can take the rear main cap off, and you will have half the seal in your hand. You then turn the engine has you carefully push the top half of the seal out. This is assuming you have a newer plastic/rubber style seal. Ford used the rope type seal for a long time. Your new seal will probably be the rubber type.
Do a google search on how to get the new upper half of the seal in place. It's a little tricky. You have to slide it around while turning the engine.
Do a google search on how to get the new upper half of the seal in place. It's a little tricky. You have to slide it around while turning the engine.
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