Mystery grease (1 Viewer)

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Malleus

Far west of Siegen
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Charlotte, NC & Alexandria, VA
I called my local dealership to get some parts for the nice weekend weather repair work I have planned, and while I had them on the phone I asked if they had a part number for the grease used in the electric motor driven gearing (specifically the window motors).

What they came back with was 04002-18242, which appears to be a 1-lb tub of flourided dielectric. For the unbelievable price of $320.00; I told them I'd pass and ordered 04007-76133 for $15.00 instead. This is the loaded syringe grease for the Lexus steering shaft.

Does anyone know what 04002-18242 is, and why it's so ridiculously expensive? @Beno
 
I’ve never heard of toyota flourine grease so looked around. Sounds like the flourine grease is more heat resistant than normal greases and was used in power window recalls before.



“Fluorine grease is used in a variety of industrial applications like vacuum pumps, the food industry, automotive uses, reactive gas, and some extreme military applications. The special grease used by Toyota is made from only fluorine, carbon, and oxygen. The grease is specifically designed for application where extreme use like a power window gets used tens of thousands of times during its useful life. The fluorine grease delivers high performance, performs at wide temperature ranges, and provides superior quality lubrication under extreme conditions in comparison to hydrocarbon greases owners would be able to purchase.”

I think what you purchased is a better choice for the gear.
 
It could be one of the Krytox (PTFE) greases.

There is a small 50gm tub of Toyota yellow "Body Grease" which costs around $60-70 retail. It's apparently the same as one of the Dupont Krytox greases. YM-103 from memory.


Toyota Body Grease.png







AFAIK Dupont only sells that specific grease in large commercial quantities so others must buy it in bulk then repackage it (or packaged for them by Dupont??)



FWIW I recently picked up a 2 oz tube of Krytox GPL-204 for ~ $70.

Here's a link to Kyrtox grease (McMaster Carr):




Another grease that can be used with plastic gears is the Molykote 33 Light or Medium which is a thickened silicone grease in a lithum soap base.






LInk to KYTOX homepage:

 
Last edited:
I live a sheltered life...
 
It could be one of the Krytox (PTFE) greases.

There is a small 50gm tub of Toyota yellow "Body Grease" which costs around $60-70 retail. It's apparently the same as one of the Dupont Krytox greases. YM-103 from memory.


View attachment 3466550






AFAIK Dupont only sells that specific grease in large commercial quantities so others must buy it in bulk then repackage it (or packaged for them by Dupont??)



FWIW I recently picked up a 2 oz tube of Krytox GPL-204 for ~ $70.

Here's a link to Kyrtox grease (McMaster Carr):




Another grease that can be used with plastic gears is the Molykote 33 Light or Medium which is a thickened silicone grease in a lithum soap base.






LInk to KYTOX homepage:

What was this intended for, hinges or gears?
 
It could be one of the Krytox (PTFE) greases.

There is a small 50gm tub of Toyota yellow "Body Grease" which costs around $60-70 retail. It's apparently the same as one of the Dupont Krytox greases. YM-103 from memory.


View attachment 3466550






AFAIK Dupont only sells that specific grease in large commercial quantities so others must buy it in bulk then repackage it (or packaged for them by Dupont??)



FWIW I recently picked up a 2 oz tube of Krytox GPL-204 for ~ $70.

Here's a link to Kyrtox grease (McMaster Carr):




Another grease that can be used with plastic gears is the Molykote 33 Light or Medium which is a thickened silicone grease in a lithum soap base.






LInk to KYTOX homepage:

Looks like supermarket sample
 
I don't know which is funnier.
 
The yellow Body Grease appears to be the same grease that new window regulators come with. It could be used about anywhere, except for the cost.

IIRC the original grease used for the plastic gears in the window lift motors was light green in color which after 25 years was still smooth with zero petroleum odor, so either silicone or PTFE is my guess??

I talked to a Dupont tech some years ago to ask what the major auto manufacturer's use for plastic gears in windshield wiper motors or window lift motors. He said it's a silicone lithium based grease sold in bulk but that particular grease was not sold to individuals, however a similar product he said was the Molykote 33.

Krytox is definitely expensive grease, I use it for small projects, you can even buy it in 1/2oz syringes for your racing bicycle.


Or if you plan to launch your Land Cruiser into space like Elon Musk the radiation won't affect the PTFE grease:

 
Slippery thread this.
Could repair parachutes.
 
That "Grease Specialist" guy is going to be really popular in the nursing home at some point. "Back in my day,..." 🙄
 

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