TheDurk
Elite Member
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Drive/Prop Shaft Greasing Guide
- Thread starter Nelsonmd
- Start date
JZiggy
Senior Member
Put a wrench on the base of the zerk and rotate it 90* so you can reach it.
TheDurk
Elite Member
Yeah, the one in the pic is off. I think 45° will do it.
19963.4lsr5
New member
I can hit all my zerks with my Lincoln grease guns. One has a flex hose and one is solid. They both fit. I just spin the shaft so the zerk is around 4 o clock on the drives side.
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JoeT4R
Senior Member
I tried doing that yesterday and it wouldn’t rotate for me. I had a solid connection with the wrench on it but it would just slide off. I don’t want to risk rounding it off, either. The issue seems to be that the zerk head is facing inward, like towards the slip joint itself, not away from it. If it would just rotate I would be perfect! It’s so frustrating because of how much room there is, if only it would rotate I could attach the coupler to the zerk and get it filled with grease. Does anyone else have any suggestions? I appreciate all the feedback so far, guys
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JoeT4R
Senior Member
Update: just received the 90 degree coupler attachment, and it does not fit. I feel like I’m screwed at this point :’(
Upon further inspection of the zerk itself, it looks like it’s really well seated in there, so idk if it has the capabilities of turning or not. Would PB blaster maybe help? Maybe using line wrenches? This seems to be what it is that I’m working with (see photos)
Upon further inspection of the zerk itself, it looks like it’s really well seated in there, so idk if it has the capabilities of turning or not. Would PB blaster maybe help? Maybe using line wrenches? This seems to be what it is that I’m working with (see photos)
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JoeT4R
Senior Member
I think that’s what I am gonna have to end up doing. Kinda nervous about that seeing as I haven’t ever done that before. Fingers crossed it goes well. I just watched a video on it and it seems straightforward I think
19963.4lsr5
New member
I’ve been able to spin the front driveshaft to get the angles and clearance for my Lincon grease guns.
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JoeT4R
Senior Member
For this particular zerk, it’s not the position of the driveshaft so much as it is the position of the zerk head itself. I wish it were facing out towards the open area so I could just slide my coupler right into the zerk head
19963.4lsr5
New member
JoeT4R
Senior Member
Makes me wonder. That’s frustrating as hell though. My plan is to unbolt the slip yoke from the flange this week and try holding it in place, but moving it out far enough for me to manipulate the joint in order to get the grease gun coupler attached to it. Fingers crossed. I watched a video earlier and it doesn’t seem horrible (knock on wood)
JZiggy
Senior Member
I expect the u-joint has an M6-1.0 threaded hole and is not a press-fit like you have shown. Try some penetrant and see if you can get it to turn a bit.
Another alternative is to see if you can unthread the little zerk end out of the body that is threaded unto the u-joint. Usually the zerk is also an M6-1.0. If you can get it out try threading in a 90* zerk like this in its place:
It's possible the extra weight could cause a vibe (though I doubt it) so you could put the old zerk back after greasing.
19963.4lsr5
New member
Can I ask what grease gun you’re using?
Edit. Three 4Runners and I was able to grease everything, and it didn’t matter if I used my gun with the flex hose or the one with the strait pipe........
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JoeT4R
Senior Member
@ 19963.4lsr5
I’m using the Bravex Heavy Duty Professional Pistol Grip Grease Gun 6000 PSI - 18 inch Flex Hose from Amazon. It has a standard coupler attachment on it. Using Mystik no. 2 high temp red grease
@ JZiggy
I’ll definitely give the zerk a spray with some penetrating oil to see if it’ll rotate. That would be fantastic and I’d love life if it did, lol. Thank you for the suggestions.
I will advise later this week once I am able to make some headway on this
I’m using the Bravex Heavy Duty Professional Pistol Grip Grease Gun 6000 PSI - 18 inch Flex Hose from Amazon. It has a standard coupler attachment on it. Using Mystik no. 2 high temp red grease
@ JZiggy
I’ll definitely give the zerk a spray with some penetrating oil to see if it’ll rotate. That would be fantastic and I’d love life if it did, lol. Thank you for the suggestions.
I will advise later this week once I am able to make some headway on this
19963.4lsr5
New member
Try heating it with a propane torch also. Spray it and heat it until the moisture burns off and spray and heat a few more times. If it’s rusted that should do it.
You won’t hurt anything putting heat to it.
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pluton
Senior Member
Beware the synthetic rubber grease seals on the bearings.
JoeT4R
Senior Member
No success. I was able to remove the zerk from the u-joint itself and figured out that if I install a 90 degree zerk then I can get my grease gun on there and get it filled. Problem is, I can’t find the right 90 degree zerk with the right diameter and thread pitch anywhere locally. Anyone have places they recommend?
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