Rear End
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New User
Joined: Apr 2003
Posts: 9
Likes: 0
From: Missouri
Rear End
I've got my 64 F100's rear in the air reworking the rear brakes, replacing hard and soft brake lines, shocks etc.
I was looking at the rear end today while underneath. Is there anything I should consider doing to it while I'm there?
The truck has sit for about 4 years and was a farm truck when I bought it!
Thanks
I was looking at the rear end today while underneath. Is there anything I should consider doing to it while I'm there?
The truck has sit for about 4 years and was a farm truck when I bought it!
Thanks
Senior User
Joined: Mar 2001
Posts: 266
Likes: 1
From: Suwanee, GA
Rear End
check the rear end grease and change it... If it gets dry (which the will when they sit, the grease just leaks out) it'll go to howling and burn up the bearings... an ounce of prevention....
tyson
tyson
Logistics Pro
Joined: Feb 2000
Posts: 3,565
Likes: 9
From: Sun River St. George
Rear End
Carefully clean the differential vent. Plugged vents will force grease out past the wheel bearings and get oil all over the brakes. What a mess. Connect a piece of rubber hose to the top of the vent and tie it up under the bed. This will help keep out moisture and allow the differential to breathe. Change the gear oil, thats good advice.
Thread Starter
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New User
Joined: Apr 2003
Posts: 9
Likes: 0
From: Missouri
Rear End
I bought this truck 5 years ago as a project. I have very little mechanical background. Two years ago I was hurt on a job related injury.
I have now started this truck as sort of therapy, I work one to two hours a day(depending on how I feel that day) and am having lots of fun with it. However I have some silly questions!
1) How do and where do I find these differantal vents?
2) How do I get the old grease out of the rear end? There is some grease looking stuff on the rear end under a square looking plug.
3) An third is there a good book I can buy to help me with some of this stuff?
Thanks for all the help.
I have now started this truck as sort of therapy, I work one to two hours a day(depending on how I feel that day) and am having lots of fun with it. However I have some silly questions!
1) How do and where do I find these differantal vents?
2) How do I get the old grease out of the rear end? There is some grease looking stuff on the rear end under a square looking plug.
3) An third is there a good book I can buy to help me with some of this stuff?
Thanks for all the help.
Logistics Pro
Joined: Feb 2000
Posts: 3,565
Likes: 9
From: Sun River St. George
Rear End
Huett39, Glad you are up and around. The differential vent is located in the brass block where the steel brake lines and rubber flexable brake hose line connect on the differential housing. The vent is actually a hollow bolt with a ball bearing in it that holds the brass block on the housing. When pressure rises in the gear case it pushes up the ball and excapes. The ball will rust and dirt collects on top of it and pluggs up the vent. The rubber hose is usually long gone as well. I drill through this steel ball and attach a new longer hose. I hang the hose up under the bed with the end pointing down secured by a couple of plastic ties. Changing the oil (gear lube) in the differential requires sucking it out with a suction gun made for this purpose. This gun looks like a grease gun with a flexable nozzel and a handle. You just remove the fill plug and suck out the old stuff. I add about a cup of kerosene as a rinse and then suck that out as well. Then fill with modern gear lube on level ground until the lube runs out the fill hole. Let it run out until it stops and reinstall the plug. Books are available here (Motorhaven).
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