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Discussion Starter · #1 · (Edited)
Never ever use silicone! It can make squeaks worse in the long run!
(Or WD-40! Or any petroleum-based oil or grease, including lithium grease.)
What you need is synthetic lubricant with PTFE.
  1. Best such product: Krytox GPL105 (or GPL104). Unfortunately, it can be hard to find and expensive.
  2. Next best product: Finish Line Extreme Fluoro Grease. While it's readily available, it's a grease that's harder to apply than an oil for squeak and creak elimination.
  3. Reasonable alternative: Super Lube Synthetic Oil With PTFE.
 

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Discussion Starter · #5 · (Edited)
I prefer militec, best lube line on the planet and works great in my 98B too
My objections to MILITEC-1:
  • Secret proprietary formulation.
  • Just synthetic oil (no PTFE).
  • Nonsense claims like "become part of the metal".
I'll (non)stick with PTFE (like Krytox, the gold standard in lubrication).
 

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I like to use chain lube for door hinges. It penetrates into the hinge and sets up where other greases can't reach. Also water resistant and attracts less dirt. Dry lube doesn't last here since it gets wet.
 

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Hey J.Ya think this stuff will shut up the squeak that my DS power window makes when it goes up or down? It only does it in the summer when it is hot outside.It is quiet when things cool off in the fall.I have removed the door panel before and sprayed the window channel with silicone spray and it works for a couple of weeks and then it returns.I would like to shut up this noise once and for all.I don't want to remove the door panel every summer to put some kind of stuff into the channel to quiet it down.Ya think it will work and last for a long time?
The last and only time I did this was to replace those blue plastic window guides before they caused trouble.When those things break,bad things happen.Cheap insurance and the windows slide nicely. Whats your opinion?
 

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Discussion Starter · #8 · (Edited)
I like to use chain lube for door hinges. It penetrates into the hinge and sets up where other greases can't reach. Also water resistant and attracts less dirt. Dry lube doesn't last here since it gets wet.
For door hinges I use dry PTFE spray through a thin tube, and it does last despite water, because unlike common lubes, PTFE bonds to surfaces. In addition to DuPont Teflon Non-Stick Dry-Film Lubricant, more widely available (e.g., Home Depot) WD-40 Specialist PTFE Dry Lubricant also works well in my experience. (Regular WD-40 should not be used.)

Hey J.Ya think this stuff will shut up the squeak that my DS power window makes when it goes up or down? It only does it in the summer when it is hot outside.It is quiet when things cool off in the fall.I have removed the door panel before and sprayed the window channel with silicone spray and it works for a couple of weeks and then it returns.I would like to shut up this noise once and for all.I don't want to remove the door panel every summer to put some kind of stuff into the channel to quiet it down.Ya think it will work and last for a long time?
The last and only time I did this was to replace those blue plastic window guides before they caused trouble.When those things break,bad things happen.Cheap insurance and the windows slide nicely. Whats your opinion?
Silicone is terrible, doesn't last and can actually make things worse in the long run. Properly applied, good PTFE should solve your problem. I'd go with DuPont Teflon Non-Stick Dry-Film Lubricant. You might be able to get away with just spraying the guides as they are now, but otherwise you should clean with pure isopropyl alcohol first.

I just got the Finish Line Extreme Fluoro Grease I ordered from Amazon, and it's really terrific. It's white, light and creamy, smears on to an invisible thin film very easily, and works very well on my moonroof.
 

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My objections to MILITEC-1:
  • Secret proprietary formulation.
  • Just synthetic oil (no PTFE).
  • Nonsense claims like "become part of the metal".
I'll (non)stick with PTFE (like Krytox, the gold standard in lubrication).
You don't get it, it's ok.





Oh, cryo-treatment is bunk.
 

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You know what, I was gonna do the standard troll on troll crap you keep begging with every post, but let's do this real time. Please list, with references, studies that clearly show particulate based lubricant (krytox....lol) is better, measurably, than Militec.

Prove your negative. I know you can't, but weasel as you will.
 

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For door hinges I use dry PTFE spray through a thin tube, and it does last despite water, because unlike commie lubes, PTFE bonds to surfaces. In addition to DuPont Teflon Non-Stick Dry-Film Lubricant, more widely available WD-40 Specialist PTFE Dry Lubricant also works well in my experience. (Regular WD-40 should not be used.)
Try DuPont's chain lube sometime. It's more water resistant than dry lube and still has PTFE: http://www.performancelubricantsusa.com/product/chain-saver-lubricant.php
 

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Discussion Starter · #12 · (Edited)
Try DuPont's chain lube sometime. It's more water resistant than dry lube and still has PTFE: http://www.performancelubricantsusa.com/product/chain-saver-lubricant.php
Sure. If you check carefully, you'll see that it's made by Finish Line, which licenses the names DuPont and Teflon, and makes a very good line of lubricants, including pure PTFE Finish Line Extreme Fluoro Grease and DuPont Teflon Non-Stick Dry-Film Lubricant I've recommended.

The difference versus pure PTFE is that the less expensive "with Teflon" products use a carrier binder for the lesser amount of (expensive) PTFE, wax in the case of Chain-Saver, resin in the case of Dry-Film Lubricant. Which carrier binder is preferred depends on the application.

Please list, with references, studies that clearly show particulate based lubricant (krytox....lol) is better, measurably, than Militec.
MILITEC-1 is just synthetic oil with lots of silly consumer hyperbole.
Krytox PTFE is a world class solid film industrial lubricant used and resold by major auto manufacturers like VW.
See Solid Film Lubricants: A Practical Guide:
  • "Solid film lubricants offer protection beyond the normal properties of most mineral and synthetic oil-based fluid lubricants."
  • "PTFE is inert to virtually all chemicals and is considered the most slippery material in existence."
 

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Discussion Starter · #14 · (Edited)
What do you think about molybdenum versus PTFE?
For an excellent (albeit technical) comparison of solid film lubricants like Molybdenum disulfide (MoS2, also known as moly) and Polytetrafluoroethylene (PTFE, also known as Teflon) see Solid Film Lubricants: A Practical Guide. In short, both are very good, but "PTFE is inert to virtually all chemicals and is considered the most slippery material in existence." Moly may even be added to PTFE. The problem with some moly products is that the base is an oil that can break down, so choose carefully.
 

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Thanks J.I will try the Dupont stuff you have recomended this summer when it starts squeaking again.Nice job on your astute research.
 

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For doors, i have always used WD-40 where the hinges are, it lubes and i always have some WD-40 around, i think most people do.. its oil based so i should work as a lubricant. :)
 

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Discussion Starter · #17 ·
For doors, i have always used WD-40 where the hinges are, it lubes and i always have some WD-40 around, i think most people do.. its oil based so i should work as a lubricant. :)
With respect, WD-40 is primarily a solvent, not a lubricant, and it attracts dirt, which eliminates any benefit over time.
 

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Thats proberly why the hinges get messy after a while, but the squiking sound is gone.. i may need to try some of the abouve surgestions then..
 
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