Holy Moly (1 Viewer)

This site may earn a commission from merchant affiliate
links, including eBay, Amazon, Skimlinks, and others.

Joined
May 7, 2005
Threads
303
Messages
2,353
Location
South Jordan, UT
Jeez.

I just ran a search to find out what kind of grease(s) I should use for my first birf repack.

Holy Molybdenum Disulfide Batman!

I've confidently concluded that I need to use some kind of Moly-fortified grease for the birfs (synthetic or otherwise), but I'm still confused about HOW MUCH I'll need.
I've seen the little tubs--as opposed to tubes--at the auto parts store. These seem more convenient for repacking by hand. How many? Or, if anyone is feeling particulary precise, how many ounces/pounds?

I'm still unsure about the wheel bearings. It would be convenient if I could just use the same grease throughout.
Is it OK to use Moly-fortified grease on the wheel bearings and U-joints?

Hayes
 
Hayes said:
I've confidently concluded that I need to use some kind of Moly-fortified grease for the birfs (synthetic or otherwise), but I'm still confused about HOW MUCH I'll need.

Just wait until you do even more detailed searches, where you wil find things like:

1. The value of owning a factory service manual for accurate advice and direction.
2. The importance of not using one lubricant where another is called for by Toyota (like not using moly in wheel bearings).
3. That the amount of moly is not recommended in "ounces" rather that you fill the cavity 2/3rds full.

:cheers:
 
Hayes said:
Is it OK to use Moly-fortified grease on the wheel bearings and U-joints?
It's not ideal. Sliding surfaces slide better with moly, but rolling bearings are damaged if they slide, and moly is too slippery for them. If everything is perfect they'll keep rolling. A small imperfection or bit of debris can stall a roller and it'll flat spot, then keep wearing that flat spot bigger, eventually putting too much strain on the rollers around it.
 
Last edited:
Thankyou Mr. Miriachi for the verdict, and scottm for the explanation. I read the same in my searches, but I also read ample dissenting opinion as well. I'll use 2 different greases (Moly and MP) to be safe.

So, a 2/3 full cavity = approximately how many tubes/tubs/ounces/whatever of grease?

Hayes
 
My guess is you will use 5-6 on the knuckles but the amount of grease packed into the knuckle definitely varies by person.

you can use redline synthetic moly grease in the wheelbearings as well as the knuckle. It is actually sold as wheel bearing grease and says so right on the tube, and if you phone redline they will confirm it. For dino grease I would not use moly on the wheel bearings. If you do a split purchase, you need about 2 tubes of MP for the wheelbearings iirc.

I would get 8 tubes of redline myself, and count on having some left over.
 
IIRC, I used 3 tubs of Moly, but had bought 4. I'd buy more than you think you'll need, because it would suck to be in the middle of the job and have to run to the store to get something you didn't buy enough of.

Other things you can not have too much of:

Shop rags/paper towels
Cleaning solvent/brake cleaner
Patience

If you haven't already, be sure to give this and the enclosed links a read:

http://www.ih8mud.com/tech/birf-repack.php
 
semlin said:
My guess is you will use 5-6 on the knuckles but the amount of grease packed into the knuckle definitely varies by person.

...

I would get 8 tubes of redline myself, and count on having some left over.

Carefull, some are saying tubs and some are saying tubes. HUGE difference.

Personally, I like to slather myself up in moly before I start. I just like the way it feels.
 
I always buy 3 TUBES of moly, and divide it in half for each side. Regular old dino high temp grease is more than enough for the wheel bearings and using a pnuematic gun couldn't get the synthetic moly to properly pack into the U-Joints, too thick to make the trip, so dino there as well.
 
I bought 4 tubes (the bigger ones, 14 or 16 ounce IIRC), used 3 1/2. One tub of high temp wheel bearing grease will cover all the bearings.
 
Junk said:
Personally, I like to slather myself up in moly before I start. I just like the way it feels.

I agree, just get it all over you like Lester Hayes used to do with that football stickum. I buy my moly in the little cans and usually use two per side. One can of hi-temp wheel bearing grease will be enough. You didn't ask about paper towels.....6 rolls.
 
elmariachi said:
You didn't ask about paper towels.....6 rolls.


Somebody on here said they got by with one roll... :confused:

I'd like to know how they did that!
 
wear gloves!!! helps a bunch on clean up and your hands don't smell like poop for two days after!! hope this helps

also the blue nitrile gloves are more but way better than the white latex

hope this helps!!
 
tarbe said:
Somebody on here said they got by with one roll... :confused:

I'd like to know how they did that!

That would have been me and it was actually less than one roll. And along with that same comment was this one...I used a parts washer which made EVERYTHING much easier and I would highly recommend using one. Not a must...but was very nice to have.

Ummmm and I didn't wash my hands 400 times through the process...;)
 
Gloves and lots of rags.

I bought 4 tubes of Moly durablend and 2 cans of Mobile synth (red stuff)for the bearings
Then I ended up with 1 (3/4 partial) whole extra tube and an extra can.
 

Users who are viewing this thread

Back
Top Bottom