I never thought I'd say this...

Synchros shot? Weird noises while shifting? Not sure what needs to be replaced?
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94Corolla5Speed
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I never thought I'd say this...

Post by 94Corolla5Speed »

...My clutch pedal assembly squeaking has gone too far. I don't realize it's happening when I have my music on but I'll be damned if it doesn't make me want to rip my hair out when I have no music on. But here's the kicker: I used silicone grease to lube up the clutch assembly on the interior firewall before and it worked for the most part, but a few months later, my slave and master cylinder grommets/seals deteriorated.

Now I'm not saying that correlation implies causation, since I don't know the chemical properties of silicone grease and how it reacts with brake fluid and rubber seals, but is there anything I can put down there to stop the squeaking without risking catastrophic clutch cylinder failure like last March? I was thinking lithium grease but I'm not sure.

Any input?
Last edited by 94Corolla5Speed on Sun Jan 31, 2010 12:48 am, edited 1 time in total.
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Re: I never though I'd say this...

Post by Rope-Pusher »

Rub in some powdered graphite.
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Re: I never though I'd say this...

Post by LHOswald »

white lithium grease ftw
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Re: I never though I'd say this...

Post by Rope-Pusher »

LHOswald wrote:white lithium grease ftw
Grease can swell and split seals depending on what material they are made from. Some materials that are insensitive to brake fluid swell and split in motor oil, other fluids and greases.
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Re: I never though I'd say this...

Post by theholycow »

Rope-Pusher wrote:Grease can swell and split seals
Which kind of seal?
Image
Image
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Re: I never though I'd say this...

Post by comingbackdown »

theholycow wrote:w
Image
Yellow snow. I see what you did there.
Image
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Re: I never though I'd say this...

Post by theholycow »

Image
1980 Buick LeSabre 4.1L 5MT

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watkins wrote:Humans have rear-biased AWD. Cows have 4WD
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Re: I never though I'd say this...

Post by Rope-Pusher »

theholycow wrote:Image
Dreamed I was an eskimo
Frozen wind began to blow
Under my boots and around my toes
The frost that bit the ground below
It was a hundred degrees below zero...

And my mama cried
And my mama cried
Nanook, a-no-no
Nanook, a-no-no
Don't be a naughty eskimo
Save your money, don't go to the show

Well I turned around and I said oh, oh oh
Well I turned around and I said oh, oh oh
Well I turned around and I said ho, ho
And the northern lights commenced to glow
And she said, with a tear in her eye
Watch out where the huskies go, and don't you eat that yellow snow
Watch out where the huskies go, and don't you eat that yellow snow

(well, right about that time people
A fur-trapper (who was strictly from commercial)
Had the unmitigated audacity to jump up from behind my igloo (peekaboo) )
And he started into whippin on my favorite baby seal
With a lead-filled snowshoe)

I said, with a
Lead-
Filled
With a lead filled snowshoe
He said, peekaboo
I said, with a
Lead-
Filled
With a lead filled snowshoe
He said, peekaboo
He went right upside the head of my favorite baby seal
He went whap with a lead-filled snowshoe, and
He hit him on the nose and hit him on the fin, and he
That got me just about as evil as an eskimo boy can be. so I bent down
And I reached down, and I scooped down and I gathered up a generous
Mitten-ful of the deadly yellow snow

The deadly yellow snow, from right there where the huskies go!

Whereupon I proceeded to take that mittenful of the deadly yellow snow
Crystals and rub it all into his beady little eyes with a vigorous
Circular motion hitherto unknown to the people of this area, but destined
To take the place of the mudshark in your mythology
Here it goes,the circular motion, now rub it!
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Re: I never though I'd say this...

Post by 1974Alfa5spd »

94Corolla5Speed wrote:...My clutch pedal assembly squeaking has gone too far. I don't realize it's happening when I have my music on but I'll be damned if it doesn't make me want to rip my hair out when I have no music on. But here's the kicker: I used silicone grease to lube up the clutch assembly on the interior firewall before and it worked for the most part, but a few months later, my slave and master cylinder grommets/seals deteriorated.

Now I'm not saying that correlation implies causation, since I don't know the chemical properties of silicone grease and how it reacts with brake fluid and rubber seals, but is there anything I can put down there to stop the squeaking without risking catastrophic clutch cylinder failure like last March? I was thinking lithium grease but I'm not sure.

Any input?
Hobby shops will sell plastic safe oils that you can use near rubbers and they won't degrade it or cause other untold misery.* You can also look online, you're looking for an oil called LaBelle 107. That's the one oil I know does not harm plastics. It's usually used on model trains.

*Not recommended for use as a sexual lubricant.
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Re: I never though I'd say this...

Post by Rope-Pusher »

1974Alfa5spd wrote:
94Corolla5Speed wrote:...My clutch pedal assembly squeaking has gone too far. I don't realize it's happening when I have my music on but I'll be damned if it doesn't make me want to rip my hair out when I have no music on. But here's the kicker: I used silicone grease to lube up the clutch assembly on the interior firewall before and it worked for the most part, but a few months later, my slave and master cylinder grommets/seals deteriorated.

Now I'm not saying that correlation implies causation, since I don't know the chemical properties of silicone grease and how it reacts with brake fluid and rubber seals, but is there anything I can put down there to stop the squeaking without risking catastrophic clutch cylinder failure like last March? I was thinking lithium grease but I'm not sure.

Any input?
Hobby shops will sell plastic safe oils that you can use near rubbers and they won't degrade it or cause other untold misery.* You can also look online, you're looking for an oil called LaBelle 107. That's the one oil I know does not harm plastics. It's usually used on model trains.

*Not recommended for use as a sexual lubricant.
Was it Thomas Jefferson that said "All Rubbers are Created Equal!"? He was wrong. Most seals aren't even rubber these daze and their resistance to various fluids is not "Juan sighs phitz awl" Brake fluid is fairly harsh on many materials, yet something that resists degradation by brake fluid can be very susceptible to other lubricants. That's why powdered graphite is the ideal lubricant in this situation.
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Re: I never though I'd say this...

Post by 94Corolla5Speed »

Chris, thanks for the suggestion. I'm going to Hobby Lobby with a girl this Wednesday to find testamints (long story :lol: ), so I'll look into it then.

And I'm not sure if RP is being serious here...
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Re: I never though I'd say this...

Post by AHTOXA »

94Corolla5Speed wrote: I'm going to Hobby Lobby with a girl this Wednesday
:lol: :lol: :lol: :lol:
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Re: I never though I'd say this...

Post by Rope-Pusher »

94Corolla5Speed wrote:Chris, thanks for the suggestion. I'm going to Hobby Lobby with a girl this Wednesday to find testamints (long story :lol: ), so I'll look into it then.

And I'm not sure if RP is being serious here...
Dead serious. Seriously serious. Really serious. Not crying wolf this time serious. I've spent hour-n-hours searching for solutions to squeaks no lube could be found that didn't swell and split the material. I've sent suppliers out to find the holy grail of materials that would resist brake fluid and motor oil and STILL do whatever else we needed it to do - and they came back bloodied, but empty handed. Is it worth taking a chance on ruining the slave and master cylinders again as opposed to trying powdered graphite?

Didn't he say his original seals went bad after he lubed them in the initial post?
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Re: I never thought I'd say this...

Post by Cm452 »

Molybdenum Disulfide paste=god. It comes in tubes or a can. You should be able to find it. If you can't, PM me and I'll send you a baggy with a tblsp in it.
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Re: I never thought I'd say this...

Post by 94Corolla5Speed »

Thanks for the tip Cm! I'll be on the lookout for it.
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