4x4 vacuum system
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Mountain Pass
Joined: Dec 2010
Posts: 217
Likes: 6
4x4 vacuum system
Can anyone provide me with the description and part numbers for the seals and o ring that form the vacuum chamber in the wheel hub to
engage disengage the 4 x 4 electronic on the fly
thanks in advance
Mark
engage disengage the 4 x 4 electronic on the fly
thanks in advance
Mark
Posting Guru
Joined: Dec 2016
Posts: 1,284
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From: Bozeman MT
You might try the parts counter at a dealer, they can take your year and model and probably show you some technical drawings to help get you to what you need.
This is the big one:
SKF 28600 Axle Shaft Seal
This is the dust seal:
National 710413 Oil Seal
The one I do not know is the black seal that goes on the engagement hub itself as I've always toss those hubs and replaced with Warn.
This is the big one:
SKF 28600 Axle Shaft Seal
This is the dust seal:
National 710413 Oil Seal
The one I do not know is the black seal that goes on the engagement hub itself as I've always toss those hubs and replaced with Warn.
Thread Starter
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Mountain Pass
Joined: Dec 2010
Posts: 217
Likes: 6
Ok I have replaced this one the yellow o ring that fits on the back of the hub. Still does not pull a good vacuum on this side.
Is the other seal the black o ring on this part
Or is there yet another seal on the axle that needs to be replaced
Regards Mark
Is the other seal the black o ring on this part
Or is there yet another seal on the axle that needs to be replaced
Regards Mark
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
You can get that hub seal at Advance Auto, Dorman made.
The yellow ones the wheel bearing seal.
The big axle seal looks like a huge donut.
The yellow ones the wheel bearing seal.
The big axle seal looks like a huge donut.
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Mountain Pass
Joined: Dec 2010
Posts: 217
Likes: 6
Is that the one that forms the other end of the vacuum "chamber"
To clarify if I can't draw a vacuum and I have replaced the yellow o ring, which seal could it be leaking (or drawing air thru) to prevent a vacuum.
Mark
To clarify if I can't draw a vacuum and I have replaced the yellow o ring, which seal could it be leaking (or drawing air thru) to prevent a vacuum.
Mark
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Thread Starter
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Mountain Pass
Joined: Dec 2010
Posts: 217
Likes: 6
Mark
Lead Driver
Joined: May 2014
Posts: 6,545
Likes: 13
From: Virginia Beach VA
Sorry, I dont. Got mine from Advance, just put in the year and searched. They came right up, hub seal, axle seal.
Buy on line, use code TRT30, saves 30% up to $50 off a $150 purchase. Then do in store pick up.
The axle seal requires a tool to set.
Buy on line, use code TRT30, saves 30% up to $50 off a $150 purchase. Then do in store pick up.
The axle seal requires a tool to set.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
The vacuum test set for the front end also has
an adaptor for the hub. You set the hub with the
yellow O-ring on it and pull it down and see how
long it holds.
Rotunda Ford Wheel Hub Vacuum Test Kit 205-794 205-795 205-797 205-798 | eBay
The same kit has a test set for the knuckle also.
an adaptor for the hub. You set the hub with the
yellow O-ring on it and pull it down and see how
long it holds.
Rotunda Ford Wheel Hub Vacuum Test Kit 205-794 205-795 205-797 205-798 | eBay
The same kit has a test set for the knuckle also.
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