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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Clutch master cylinder warning!

Old 12-10-2013, 02:40 PM
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Clutch master cylinder warning!

I have a 87 pick up 22r 5spd 4x4 regular cab...nothing fancy but it works well for my daily commute.
I usually keep up with repairs before they break completely and allow myself time to find a good part at a good price.
I noticed my clutch master leaking, trail of brake fluid on the floor board..I thought well i better get that fixed pronto so i went ahead and got the master and slave from advance auto..I bench bleed the master. Left it sit and installed the slave, then went back and installed the master, gave it a couple more pumps before removing my bleed line. Hooked up my pedal and on to my hard line. Cracked the bleeder loose on the slave and let it gravity bleed a minute before i tried to pump it up.. waited a few minutes, no drip. Oh well let me bleed it mechanically, tightened the bleeder and pumped up the pedal..cracked the bleeder and no pressure.. did this for a hour or so with no luck..took the master back off, went and got another..same thing...bench bleed, installed and no pedal...getting frustrated. Took the master off again, went and got a third one...bench bleed installed and there we go we have a clutch again.
Moral of the story. Save yourself some time and get the factory parts from the dealer. I had to get a ride home and to work plus take half a day off work to get done what should of taken an hours time.
Old 12-10-2013, 04:44 PM
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bhawkin00, good call on the warning and to get factory parts, I try to do that on critical parts like that to. well im glad it worked out for you

Last edited by 85toy4runner; 12-10-2013 at 05:06 PM.
Old 12-10-2013, 04:47 PM
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It saves so much time! It made a simple repair a P.I.T.A. by trying to be cheap.
Old 12-10-2013, 05:02 PM
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yeah true , especially when we rely on are clutch to move us down the road , only toyota parts, and things like brake parts , starters, alternator , spark plug wires, cap, rotor, pvc valve, fuel filter and some others i try to do toyota only

Last edited by 85toy4runner; 12-10-2013 at 05:05 PM.
Old 12-10-2013, 05:22 PM
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Pretty much everything except tires and wiper blades. Go to the dealer.
Old 12-11-2013, 08:59 AM
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the dude next to me just installed 4 autozone starters this morning. the first 3 wouldn't work, but the 4th one finally did. we usually don't use factory parts. its really annoying. most aftermarket stuff is usually ok, but dealer really is the way to go.
Old 12-11-2013, 09:37 AM
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Used an aisin slave and clutch master cylinder. Took half an hour and went about my day. I have been using factory parts for the life of the truck. Sometimes I have to ask it to break so I have something to fix...

I knew where this story was going as soon as you said Advanced Auto...
Old 12-11-2013, 09:50 AM
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It didn't use to be this bad. The quality of the aftermarket parts suppliers has dropped dramatically.
Old 12-11-2013, 10:30 AM
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Well, it's been common knowledge in the Toyota world that noting even comes close to the quality of OEM.

It's cheaper to just pony up the extra money for the part than do the job 4 times, even if it comes with a life time warranty.
Old 12-14-2013, 02:22 AM
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not saying that the master cylinders you tried were good, but there are other ways of getting the hydraulic clutch to operate/bleed.

just pumping the clutch pedal fast doesn't always work. however, depressing the pedal fully, and then slipping your foot (or hand) off of the pedal, allowing the pedal to slam back up, can get the system to push fluid toward the slave. it still has to be done repeatedly at first, but once you start to feel some resistance in the pedal, you can start cracking the bleeder at the slave and getting the air out.

and i understand about gravity bleeding it. sometimes it works great.
Old 12-14-2013, 04:40 AM
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I used a vaccum pump on the bleeder to screw to pull the fluid from the master down. On the 2nd master
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