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Clutch is soft after cylinder replacement

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Old 08-24-2018, 08:15 PM
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Clutch is soft after cylinder replacement

So... I replaced both the master and slave clutch cylinders with brand new ones. I bled the line 4 time and set the master cylinder arm to the same setting as the previous one. However, my clutch works... Its just a lot softer than i imgined. Should i bleed it a few more times? There isnt any more air coming out of the bleeder valve. Thanks.
Old 08-25-2018, 06:07 AM
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So... if you clutch works... don't fix it.
If you can shift gears while the engine is running and/or you are driving down the road... and it doesn't slip...it isn't broke.
Old 08-25-2018, 06:15 AM
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Originally Posted by akwheeler
So... if you clutch works... don't fix it.
If you can shift gears while the engine is running and/or you are driving down the road... and it doesn't slip...it isn't broke.
Yeah i get that, but I like it when the peddle is a little more stiff. Maybe it will build more pressure over time?
Old 08-25-2018, 06:27 AM
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Originally Posted by Ryankhitt
Yeah i get that, but I like it when the peddle is a little more stiff. Maybe it will build more pressure over time?
Not likely. If you want more pedal resistance put another return spring on it. It won't make your clutch grab any better (hydraulic clutches don't work that way) but it will make you push harder on the pedal if that is what you really want.
Old 08-25-2018, 06:34 AM
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Thanks. I dont think i even have one return spring. I thing the old one was so hard because of the gunk lol. I guess the other option is to lower my peddle. It doesnt really engage until im near the floorboard. What im really trying to avoid is all the unnecessary "play" in my clutch peddle.
Old 08-25-2018, 09:18 AM
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Did you go through the setup process as described in the manual? There's a few separate measurements and adjustments to be made such as the free play of the pedal before the clutch begins to engage and the pedal height from the floor. Not having a return spring would make the pedal feel softer, of course.
Old 08-25-2018, 10:50 AM
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Meh... Its a clutch peddle... Ill figure it out. Lol. Thank you for your input. It is always reassuring to here from another yota. Thx.
Old 08-25-2018, 11:20 AM
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Well i dont know what happened but its really soft today and i have to push it all the way to the floor to shift... Looks like ill bleed it a couple more times
Old 08-25-2018, 11:32 AM
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What brand of parts did you use? It's not unheard of for cheap replacement parts to go bad immediately. I had shops install 3 different sets of leaky master and slave cylinders over the years, before I did the job myself with Aisin parts from Japan. They aren't pricey from the right vendor, but they work great and last.
Old 08-25-2018, 12:08 PM
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Aisin master and Luk slave
Old 08-25-2018, 12:23 PM
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Apparently you have to tighten the slave bleeder valve beyond recognition
Old 08-25-2018, 12:46 PM
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So that fixed it?
Normally you only need to give a decent tug on the wrench. Wonder if there was a burr or some other imperfection on the sealing surface of the bleeder valve.
Old 08-25-2018, 01:08 PM
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So, I tightened it as you described... because because lets face it... Its just ableeder valve and that WOULD be the correct way to tighten it. After i wrenched on it some more it fixed the leak and i was able to build pressure. However i wont if the leak let air in and i have to bleed the system all over again? It still looses pressure and i have checked for leaks on yhe entire system and havent found any. It had better action with the old leaking cylinder
Old 08-25-2018, 01:15 PM
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You probably bled it the right way, but just to cover all the bases: are you doing this job solo or is there someone pressing the clutch in while you crack open and then close the valve?
Old 08-25-2018, 01:22 PM
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Originally Posted by gsp4life
You probably bled it the right way, but just to cover all the bases: are you doing this job solo or is there someone pressing the clutch in while you crack open and then close the valve?
Im doing it solo... I used a socket wrench kit to hold in the clutch hahaha
Old 08-25-2018, 01:28 PM
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As long as it's holding the pedal all the way down that should work. I'd bleed it at least one more tine under compression, if you cracked it open without holding the pedal down the last time.
Old 08-25-2018, 01:57 PM
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Sooo... Thats what my plan is as soon as I have help... The socket kit wasnt hold it it ALL the way down... But i felt it was far enough to work :/
Old 08-25-2018, 03:46 PM
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So. No matter what the problem was... I re-bled the system 2x (there was air in it)... And had a friend help with pumping... That fixed the problem. Who knew doing it properly would help?
Old 08-25-2018, 09:17 PM
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Yes! That's what this site is for and glad to hear you got that clutch pedal working right.
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