need help
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From: Fountain Inn S0. Car.
need help
THIS CAN BE TRULY FRUSTRATING, THE FELLOW WHO SOLD ME THIS TRUCK SAID THAT THE ENGINE WAS A 402, AND LOOKING AT IT ONE WOULD THINK THAT IT IS OEM...DOES THIS MEAN ORIGINAL? An old Chilton cat. shows a 400 Ford I just assumed that this is it. A trip to Autu Zoo I mean Zone, the resident genius says Ford dont make a 400 gotta be a 390... so now really playing the #S i RESEARCH THE VIN# ONLY TO FIND IT SAYS THE ENGINE IS A 302 BUT BY NOW I not only want an oil filter but I need rear axle seals, on this jewel that was only used to carry the trash to the dump. 
I can sure use some help..
I can sure use some help..
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From: Fountain Inn S0. Car.
I think what I need is advice on the axle seal replacement and gear oil as in all my years have never had to attempt this repair, I believe it to be a 9 inch rear.. Pappie
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Axle seals...
Hi,
If I remember correctly, from messing with these things when I was a teenager, the axle seals on the Ford 9" rear are one piece with the bearings.
If you need to replace axle seals, you'll need to get a new bearing, and get the old one pressed off the axle and the new one pressed on. After that, I believe there's a gasket that goes between the axle housing and the brake backing plate. Find a replacement for that, or cut one out of gasket material (not hard.)
Shove the axles back in, and bolt it back together. Problem solved.
Unless, of course, the real problem is the rear wheel brake cylinders... and those are a dirt-simple rebuild, too. :-)
--Silly
If I remember correctly, from messing with these things when I was a teenager, the axle seals on the Ford 9" rear are one piece with the bearings.
If you need to replace axle seals, you'll need to get a new bearing, and get the old one pressed off the axle and the new one pressed on. After that, I believe there's a gasket that goes between the axle housing and the brake backing plate. Find a replacement for that, or cut one out of gasket material (not hard.)
Shove the axles back in, and bolt it back together. Problem solved.
Unless, of course, the real problem is the rear wheel brake cylinders... and those are a dirt-simple rebuild, too. :-)
--Silly
Fleet Owner
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From: Creedmoor, North Carolina
Pappy, Would you back up, and give us a little info about your truck, like year model, F100/250/350, tranny, etc.
There was no 402, but the 302 is a small V8, and the 351-400M first used in 77. Both use the same oil filter.
How do you know the seals need replacing? Is the inside of the wheels wet? You can spend more money for the fancy gear oil but the ol 90 wt. has been working for more than 50 years.
Bill da ND should advise on different seals if any.
John
There was no 402, but the 302 is a small V8, and the 351-400M first used in 77. Both use the same oil filter.
How do you know the seals need replacing? Is the inside of the wheels wet? You can spend more money for the fancy gear oil but the ol 90 wt. has been working for more than 50 years.
Bill da ND should advise on different seals if any.
John
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
Pappy, Would you back up, and give us a little info about your truck, like year model, F100/250/350, tranny, etc.
There was no 402, but the 302 is a small V8, and the 351-400M first used in 77. Both use the same oil filter.
How do you know the seals need replacing? Is the inside of the wheels wet? You can spend more money for the fancy gear oil but the ol 90 wt. has been working for more than 50 years.
Bill da ND should advise on different seals if any.
John
There was no 402, but the 302 is a small V8, and the 351-400M first used in 77. Both use the same oil filter.
How do you know the seals need replacing? Is the inside of the wheels wet? You can spend more money for the fancy gear oil but the ol 90 wt. has been working for more than 50 years.
Bill da ND should advise on different seals if any.
John
He said in the other post that the VIN decodes the engine to a 302, but he said the guy he bought it from said it was a 400.
He also mentioned 6 valve cover "nuts" (meant bolts) = that's a 302 (400's have 8).
The axle seals on trucks of this vintage are NOT the type that comes with the bearings.
That setup was used only on some 1974/79's with tapered roller bearings. Most 1974/79 F100/250's do not have tapered roller bearings.
2) EOTZ1S177CA (replaced: E0TZ-1177-C / C9AZ-1177-A / B7A-1177-A) .. Axle Seal / Fits: 1957/73 & most 1974/87 F100's w/9 inch rear ends.
MSRP each: $7.00 / FTEpartsguy.com price each: $5.04
The correct oil filter is an Motorcraft FL1A. Used on all gasser F Series Trucks, Bronco's, Econolines: 1957 thru 1996.
Also used in all the cars 1957/73, most of the V8's from 1974/92.
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From: Fountain Inn S0. Car.
What a difference a day makes, am I on the right page here.. a big thanks to all who has replyed, looks like I might be able to do this after all. So far it now looks like; 1972 F100 302V8 C4trans. 9" 3.25 nonLS, that started leaking out the wheels, thought it was brake fluid, bought brake cyl. and took off wheel to find excellent drums and shoes, looks like leaking from that square plate, have not removed the other side but appears also to be ... and the carrier is low on grease. Pap.
Last edited by pappie; Jul 21, 2008 at 10:39 AM. Reason: changed c6 to c4 trans. error
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Your truck has a C4 transmission, not a C6.
Ford didn't offer a C6 in an F100 with a 302 until 1978, and then only as an option.
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Post Fiend
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From: Glendale Arizona
Pap
Clean out the axle vent. Most cause of axle seal failure and leakage is from mud daubers filling the vent hos or stub with little ones...
Garbz
Clean out the axle vent. Most cause of axle seal failure and leakage is from mud daubers filling the vent hos or stub with little ones...
Garbz
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Post Fiend
Joined: Nov 2000
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From: Glendale Arizona
The vent is the bolt attaching the brake hose distribution block to the axle housing. it is hollow with a nipple on it and a hose up to the frame.
This hose rots off or is removed. or gets filled by wasps...
You will still need to clean up all the axle lube and replace the seals. And probally replace the rear brake lining as it is contaminated..
To prevent daubers for "mudding up the works" go the the wrecking yard and look on late model trucks for a little slip in plastic vent on the end of the axle vent hose. Is just small enough to keep em out.
A new piece of tubing should be installed too if equipped.
Some early units just had a sintered bronze vent with cap at the axle, just pull this and soak in Kero and dry to clean.
Garbz
This hose rots off or is removed. or gets filled by wasps...
You will still need to clean up all the axle lube and replace the seals. And probally replace the rear brake lining as it is contaminated..
To prevent daubers for "mudding up the works" go the the wrecking yard and look on late model trucks for a little slip in plastic vent on the end of the axle vent hose. Is just small enough to keep em out.
A new piece of tubing should be installed too if equipped.
Some early units just had a sintered bronze vent with cap at the axle, just pull this and soak in Kero and dry to clean.
Garbz
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May 19, 2006 07:47 PM