e350 rear axle
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New User
Joined: Oct 2003
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From: santa barbara
e350 rear axle
in the past i owned a e 350 the rear axle stuck out well past the rim behind the wheel cover , my new e 350 the rear axle is flush with the rim , did ford downgrade the rear axle on the new models ? what is the difference?
Senior User
Joined: Jan 2004
Posts: 161
Likes: 1
From: The KeyStone State
Your old axle was a full floating unit.
Your new van has a semi-floating axle.
The axleshaft on the full float unit bears no weight, It only serves to transmit power from the differential to the wheel hub. The wheel hub has large roller beaings that ride on a spindle that is part of the axle. The bearing are lubed by the gear oil that makes it's way through the axle tube. This eventually flushes out all the grease from assembly and repair.
On the semi-float axle, the axleshaft is bearing the full load. The axle shaft rides on a bearing at the end of the axle tube. This bearing is much smaller than the two on each end of a full float axle.
It only really matters to a great extent in extreme cases, like heavy towing and 4 wheeling.
I'm not sure why, but I've seen 350 models either way.
I'm sure it has to do with weight rating, engine option.
Your new van has a semi-floating axle.
The axleshaft on the full float unit bears no weight, It only serves to transmit power from the differential to the wheel hub. The wheel hub has large roller beaings that ride on a spindle that is part of the axle. The bearing are lubed by the gear oil that makes it's way through the axle tube. This eventually flushes out all the grease from assembly and repair.
On the semi-float axle, the axleshaft is bearing the full load. The axle shaft rides on a bearing at the end of the axle tube. This bearing is much smaller than the two on each end of a full float axle.
It only really matters to a great extent in extreme cases, like heavy towing and 4 wheeling.
I'm not sure why, but I've seen 350 models either way.
I'm sure it has to do with weight rating, engine option.
Senior User
Joined: Jan 2004
Posts: 161
Likes: 1
From: The KeyStone State
Now, I'm jealous
Rear Disc Brakes
I have a 1988 E250SV with Rear drums.(Gorbagge)
The disc brakes are standard on either axle currently.
I think it is just Dearborn saving $$$$$$$$ by going with
semi and full float axles.
Rear Disc Brakes
I have a 1988 E250SV with Rear drums.(Gorbagge)
The disc brakes are standard on either axle currently.
I think it is just Dearborn saving $$$$$$$$ by going with
semi and full float axles.
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