Rear Diff.....
Thread Starter
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Senior User
Joined: Jun 2015
Posts: 165
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From: Bridgeport, WV
Rear Diff.....
Greetings all.......
Attached is a pic of my door jamb sticker. Can some one please tell me which rear diff I have? Limited slip??
Also, I will be replacing the fluid in the rear diff....I found a Felpro rear diff gasket at Advance......is this ok to use? will it leak??
Thanks...........
Swmpbgy1
Logistics Pro
Joined: Jan 2014
Posts: 3,595
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Open means no traction aid.
You can run a gasket, but even the FSM calls for a bead of silicone by itself. You're going to need to run some silicone or similar sealant on that gasket anyhow, so I wouldn't bother.
You can run a gasket, but even the FSM calls for a bead of silicone by itself. You're going to need to run some silicone or similar sealant on that gasket anyhow, so I wouldn't bother.
Thread Starter
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Senior User
Joined: Jun 2015
Posts: 165
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From: Bridgeport, WV
Thanks all........I will have to get a pick of the tag as well.....The open diff does not require the additive correct??
Swmpbgy1
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Laughing Gas
Joined: Jul 2010
Posts: 1,174
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From: Flat Rock, MI
Correct. Get the truck on jack stands or a lift, put the trans in N and rotate one tire, if the other tire moves the same direction, it's limited slip, if not, it's open.
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Thread Starter
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Senior User
Joined: Jun 2015
Posts: 165
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From: Bridgeport, WV
Thanks.....
Swmpbgy1
Post Fiend
Joined: Mar 2002
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From: Bonita Springs FL
Enough to run a bead around the diff cover.
Logistics Pro
Joined: Mar 2010
Posts: 3,527
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From: NC
I used a gasket last time and it seeps, I will use RTV next time.
I have an open rear end but I am getting clutch chatter when turning so I am wondering if I have a LS rear axle. I need to add modifier, what is the correct Ford stuff for our trucks?
I have an open rear end but I am getting clutch chatter when turning so I am wondering if I have a LS rear axle. I need to add modifier, what is the correct Ford stuff for our trucks?