Clutch adjustment question (1 Viewer)

[UGA2018]

It's a cold morning in Georgia. Not sure if that has any impact on my clutch but I thought I would throw it out there in case it does.

I went to crank up my 60 this morning and the clutch wouldn't engage. It's like I push it all the way to the floor and it doesn't engage. Just all free play.

Would you start by adjusting the push rod or does this sound like something else?

Thanks Mud!

 

[2mountainfish]

I would check the fluid level in the reservoir first. Then make sure that the slave cylinder is actually moving the engagement arm. It sounds like either the clutch master or slave cylinder may be bad, and the cold is allowing fluid to bypass.

 

[UGA2018]

I would check the fluid level in the reservoir first. Then make sure that the slave cylinder is actually moving the engagement arm. It sounds like either the clutch master or slave cylinder may be bad, and the cold is allowing fluid to bypass.

Fluid levels look good. I pumped the clutch several times and noticed that he started to engage. I decided to adjust the push rod which seemed to help too. I'll make sure the slave cylinder is moving the engagement arm too. Thanks!

 

[2mountainfish]

You might also try bleeding the system. There may be air in the line.

 

[UGA2018]

I cranked it up again this morning and it doesn't seem that the clutch is really deep in the pedal still. I adjusted the push rod as far as it would go. I'll look into bleeding the system too. Thanks!

 

[Mace]

For major differences in clutch performance I'd reccommend looking at the slave and master. I suspect one has blown out seals.

Without something odd happening, clutch hydraulics don't just get air in them..

Crawl under and watch the slave as someone pumps the clutch pedal.

 

[kbill45]

If it has been wet where you are and the truck has been setting the disc might be frozen to the flywheel(rust), Remove dust cover, have someone engage clutch and see if it moves away from the flywheel. If not use something flat like an old butter knife and disingage it. m2c

 

[kbill45]

If it has been wet where you are and the truck has been setting the disc might be frozen to the flywheel(rust), Remove dust cover, have someone engage clutch and see if it moves away from the flywheel. If not use something flat like an old butter knife and disingage it. m2c

If it has been wet where you are and the truck has been setting the disc might be frozen to the flywheel(rust), Remove dust cover, have someone engage clutch and see if it moves away from the flywheel. If not use something flat like an old butter knife and disingage it. m2c

 

[kbill45]

with engine off of course

 

[UGA2018]

For major differences in clutch performance I'd reccommend looking at the slave and master. I suspect one has blown out seals.

Without something odd happening, clutch hydraulics don't just get air in them..

Crawl under and watch the slave as someone pumps the clutch pedal.

For major differences in clutch performance I'd reccommend looking at the slave and master. I suspect one has blown out seals.

Without something odd happening, clutch hydraulics don't just get air in them..

Crawl under and watch the slave as someone pumps the clutch pedal.

Sounds good. Am I basically looking for the rod to go back and forth into the engine fire wall?

 

[Mace]

Slave cylinder is on the passenger side of the bell housing. You can follow the clutch master lines to it.
It should look similar to this:

 

[UGA2018]

The slave cylinder seems to be working correctly. Would you agree based on this video?

 

[UGA2018]

I said the fluid level looks good in the reservoir but would you agree based on this pick?

 

[OSS]

That slave (later models) isn't adjustable. It 'self adjusts'. Your vid shows the slave working fine, but your problem is intermittent. Replace the master and slave. They are probably the same age, and if you replace just one, the other one failing isn't far behind.

Fluid is a little low. It should be at the top line. But if it's not sucking air it should work.

 

[UGA2018]

Thanks @OSS! So you think both the slave and master could be going bad and they should both be replaced. Right? I assume Aisin parts only too?

 

[OSS]

Definitely an Aisin slave. I had bad luck with an aftermarket slave with these auto-adjust slaves (internal spring wasn't firm enough... but maybe mine was a dud) . Might as well get the Aisin MC too, then you won't have to think about it for another 15 years.

 

[UGA2018]

Definitely an Aisin slave. I had bad luck with an aftermarket slave with these auto-adjust slaves (internal spring wasn't firm enough... but maybe mine was a dud) . Might as well get the Aisin MC too, then you won't have to think about it for another 15 years.

Perfect! I know what my weekend project is now.

 

[SteveH]

The fluid in your master looks nasty. You should do a maintenance bleed every few years on hydraulic clutches. Just suck out the master fluid, refill with clean brake fluid, open the bleeder screw on the slave cylinder, and let it drip until the clean fluid has made it through the system, close the bleeder, and then refill the master. Easy to do while you're doing an oil change, and costs less than $1 in brake fluid. This will help your clutch hydraulics last longer.

 

[UGA2018]

The fluid in your master looks nasty. You should do a maintenance bleed every few years on hydraulic clutches. Just suck out the master fluid, refill with clean brake fluid, open the bleeder screw on the slave cylinder, and let it drip until the clean fluid has made it through the system, close the bleeder, and then refill the master. Easy to do while you're doing an oil change, and costs less than $1 in brake fluid. This will help your clutch hydraulics last longer.

Thanks Steve! I'll put that on my list to do.

 

[UGA2018]

OK... I have a new slave cylinder and master cylinder on the 60. After about 1 hour of work all of this was installed. Very easy project!

When I bled the slave cylinder I decided to flush out all of that nasty looking fluid that was in there before with new clean hydraulic fluid. I used a clear tube with flushing the line and I could see that the dark fluid seemed to be from dirt in it.

It is almost as if dirt fell into the master cylinder at some point. Maybe that is why the system went bad. Dirt in it. I'm not sure but fro $100 it is all working like it is brand new!