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11-05-2008, 01:47 PM
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#11
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Senior Member
Join Date: May 2007
Location: San Diego, CA
Posts: 989
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Thanks for the reply Deminimis.
Mike, thanks for the great description. I think I understand now. Since I have a SMB 4x4, there are 4 U-Joints. One on each end of the rear drive shaft and one on each end of the front drive shaft. Is that correct? I just crawled back under and felt around everywhere but couldn't find anymore zerk fittings. I've only been able to find 5 total (the four in the pictures and the one on the rear drive shaft slip yoke).
Has anyone with a 2007 Ford SMB 4x4 been able to locate more than this? Is it possible/probable that I've found them all?
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2007 Ford RB Diesel SMB 4x4 Pueblo Gold; Custom configuration (aisle layout); PIAA 580 driving lights; Picked up on Oct 19, 2007.
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11-05-2008, 01:51 PM
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#12
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Senior Member
Join Date: Jan 2008
Location: Baja Whenever Possible
Posts: 1,012
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No problem.
__________________
It takes a village to raise an idiot.
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11-05-2008, 03:06 PM
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#13
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Senior Member
Join Date: May 2007
Location: Washington - Ridgefield
Posts: 4,728
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U-joints are shaped like +, if you have any zerk fittings on them, they will be in where the two side meet. Check all four inner corners.
For reference, my U-joints do not have zerk fittings. Some people believe drilling for the zerk fitting weakens the u-joint (most racers don't use greasable fittings). U-joints without zerks seem to last a long time. If you don't have zerks, don't worry about it; just check them for looseness when you crawl under the van. There should be no play in the fitting itself. There is play in the transmission, transfer case and axle gears, but not in the u-joint. If you find play in a u-joint get the joint replaced.
Mike
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Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper
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11-05-2008, 03:39 PM
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#14
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Senior Member
Join Date: Apr 2007
Location: Blairsden, CA (when not on the road)
Posts: 1,109
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Here's a couple of fuzzy photos of what we're talking about.
The slip joint zerk
The U-Joint zerk
The one on the U-joint (if you have 'em) can be hard to see due to grease and dirt build up and the fact that even if you do have 'em they might be rotated on top and out of sight. Ya gotta get your fingers dirty and feel around. When you go to lube any zerk, but sure you use the same type of grease as was used before and to clean off the zerk so you don't force any dirt into the joint.
My SMB is an '07 and it came with zerks on the rear shaft.
Good luck and have fun....
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Scatter
You can be anything you want on the Internet,
it amazes me that so many choose stupid....
2007 RB50, 6.0
K1WGB
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11-05-2008, 06:04 PM
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#15
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Senior Member
Join Date: Dec 2007
Location: OH.
Posts: 228
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The mysterious fifth lube joint
I found the rear drive shaft slip joint to need a very heavy dose of grease so, it would be advisable for those who have not lubed this point to check it out. 07 E-350 4 WD.
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07 E-350
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11-06-2008, 01:50 PM
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#16
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Senior Member
Join Date: May 2007
Location: San Diego, CA
Posts: 989
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Scatter, thank you so much for taking the time to crawl under your van and take the pictures. I found the slip joint zerk after PeasBugs pointed me in the right direction. Just out of curiousity, how do you know when you have added enough grease here?
I couldn't find a zerk fitting on either of the rear drive shaft U-Joints. I searched for way too long and I have the cuts on my fingers to prove it. Did both of your rear drive shaft u-joints have a zerk fitting or just the one closer to the center of the van? Is it possible that mine could be different?
My front drive shaft does not have zerk fittings on the slip joint or the u-joints. At least I'm hoping that is the case since I couldn't find them. I will take some additional pictures soon, especially in case it ever helps someone else out who is in my position.
__________________
2007 Ford RB Diesel SMB 4x4 Pueblo Gold; Custom configuration (aisle layout); PIAA 580 driving lights; Picked up on Oct 19, 2007.
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11-06-2008, 04:25 PM
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#17
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Senior Member
Join Date: Apr 2007
Location: Blairsden, CA (when not on the road)
Posts: 1,109
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My rear drive shaft has zerks on both ends and came that way from Ford. I'm not sure how much grease the slip joint needs. I know you can put a LOT of it in there and I don't know where it will come out. I've been told by folks, that know what they're talking about, that the slip joint zerk should only get one or two squirts of grease when you lube the rest of the rig. That's what I've done on many rigs and I've never had a slip joint problem/failure. That's my experiance. If you don't have zerks on your rear U-joints, I'd do as deminimis suggested and replace 'em with Spicer's. They're the best ones going and U-jounts are not something you want to fail. If you check 'em (by yanking on the drive shaft) everytime you crawl under the rig you'll catch 'em before failure and that's a good thing. Having one explode while driving is not something anyone wants to experiance. The front shaft could use em too, but most folks don't run in four wheel drive much so they last a lot longer. But.... as deminimis says, they're pretty cheap.
__________________
Scatter
You can be anything you want on the Internet,
it amazes me that so many choose stupid....
2007 RB50, 6.0
K1WGB
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11-06-2008, 05:24 PM
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#18
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Senior Member
Join Date: May 2007
Location: Washington - Ridgefield
Posts: 4,728
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Quote:
Originally Posted by scatter
My rear drive shaft has zerks on both ends and came that way from Ford.
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It was my understanding that the driveshafts were part of the 4wd conversion, and not Ford parts. Maybe the SMB conversion is different?
Mike
__________________
Alaska to Key West, Labrador and more
Prostate cancer survivor. See Thread Prostate cancer and Sportsmobiles
2015 VW GTI 2020 Fiat 124 Spider
2012 E250 Hitop camper
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11-06-2008, 09:46 PM
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#19
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Senior Member
Join Date: Apr 2007
Location: Blairsden, CA (when not on the road)
Posts: 1,109
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You may be right Mike, but I was told at SMB west that they use the stock rear Ford driveshaft and have it shortened (and balanced) to fit. Either way, I have lubeable U-joints on the rear shaft, but not on the front. I guess I should have said that they came from SMB that way.
__________________
Scatter
You can be anything you want on the Internet,
it amazes me that so many choose stupid....
2007 RB50, 6.0
K1WGB
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02-17-2009, 07:21 PM
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#20
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Member
Join Date: Jan 2009
Location: Eastern NC .. on the coast
Posts: 34
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Re: The Mysterious Fifth Lube Point
I just got the high quality racing grease from Amsoil....is that ok, or do I need to get another kind? The word "Dohicky" came from a nc farm that also means...jigcamahog....Gene
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07,E350 custom,smb4x4,e/ph,extrAir,Amsoil
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