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 Building pressure in the Clutch lines....
#523742
11/09/04 06:39 AM
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Joined: Jul 2002
Posts: 1,399
OP
Body Damage is Cool
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I have the problem lately that pressure builds between the clutch master and slave. Every few days I have to open up the slave bleeder and let off the pressure...
I guess this is a warning to all you guys that use Autozone and equivient parts.
Josh
1986 Toyota 4x4 22wEBer
Ported EB Offroad H/O Head "Josh Cam"
Ported Intake & Weber38mm Carb
LCE Header & 2.25in Exhaust
RB 1" BL, RS5000, SAW Tbars
2011 FJ Cruiser - SOLD
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Re: Building pressure in the Clutch lines....
[Re: ArbitraryNotion]
#523743
11/09/04 06:58 AM
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Joined: Nov 2004
Posts: 12
Need a Spot
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Make sure the pushrod for the master cyl isn't adjusted too long. If the master is depressed just a little with the clutch pedal up it cannot bleed off pressure. Oil in with the brake fluid can cause problems also.
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Re: Building pressure in the Clutch lines....
[Re: Manson]
#523744
11/09/04 07:20 AM
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Joined: Jul 2002
Posts: 1,399
OP
Body Damage is Cool
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Could you clarify "long"?
I currently have the longest travel possible with it adjusted all the way in twards the pedal itself. Let me know if this is what you ment.
Josh
1986 Toyota 4x4 22wEBer
Ported EB Offroad H/O Head "Josh Cam"
Ported Intake & Weber38mm Carb
LCE Header & 2.25in Exhaust
RB 1" BL, RS5000, SAW Tbars
2011 FJ Cruiser - SOLD
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Re: Building pressure in the Clutch lines....
[Re: ArbitraryNotion]
#523745
11/09/04 07:33 AM
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Joined: Jul 2002
Posts: 1,674
Body Damage is Cool
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Long is fine, just make sure there is no pressure exerted on the MC when the pedal is all the way out... i.e. it can release fully with the pedal out.
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Re: Building pressure in the Clutch lines....
[Re: stock87]
#523746
11/09/04 08:55 AM
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Anonymous
Unregistered
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One thing that will cause it fersure is moisture in the fluid.
If you ain't never done it, next time you bleed the slave go ahead and flush all the old fluid out with fresh stuff.
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Re: Building pressure in the Clutch lines....
[Re: ArbitraryNotion]
#523747
11/09/04 01:36 PM
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Joined: Sep 2003
Posts: 837
Rock Warrior
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This is why im replacing my fourth Foreign Autoparts master
with a OEM Aisin. Im getting tired of replacing it once a year!
'04 Taco x-cab 3RZ FE stock (daily driver)
'90 x-cab 22RE stock
'82 Hilux 6" lift (ACES HI)
'82 2-Hiluxs' Rally Edition (parts)
'81 Hilux 3" lift (parts/restore)
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Re: Building pressure in the Clutch lines....
[Re: stock87]
#523748
11/09/04 10:16 PM
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Joined: Jul 2002
Posts: 1,399
OP
Body Damage is Cool
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It starts off being able to close all the way but as it builds pressure in the lines, it stops working correctly and if I don't release the pressure the clutch won't fully close.
I'm going to look up how much it costs for the $tealership parts...
Josh
1986 Toyota 4x4 22wEBer
Ported EB Offroad H/O Head "Josh Cam"
Ported Intake & Weber38mm Carb
LCE Header & 2.25in Exhaust
RB 1" BL, RS5000, SAW Tbars
2011 FJ Cruiser - SOLD
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Re: Building pressure in the Clutch lines....
[Re: ArbitraryNotion]
#523749
11/09/04 10:27 PM
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Anonymous
Unregistered
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What are you using for hydraulic fluid?
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Re: Building pressure in the Clutch lines....
#523750
11/10/04 01:24 AM
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Joined: Jul 2002
Posts: 1,399
OP
Body Damage is Cool
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DOT 3 Brake fluid. It was changed out a few months ago when I installed the new master cyl from Autozone. I've blead it completely several times since. I just keeps building pressure.
Josh
1986 Toyota 4x4 22wEBer
Ported EB Offroad H/O Head "Josh Cam"
Ported Intake & Weber38mm Carb
LCE Header & 2.25in Exhaust
RB 1" BL, RS5000, SAW Tbars
2011 FJ Cruiser - SOLD
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Re: Building pressure in the Clutch lines....
[Re: ArbitraryNotion]
#523751
11/10/04 03:11 PM
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Joined: Feb 2000
Posts: 456
Mudrunner
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Could you clarify "long"?
I currently have the longest travel possible with it adjusted all the way in twards the pedal itself. Let me know if this is what you ment.
Josh You have to have freeplay. If you don't you'll have pressure buildup just as you describe. I don't remember the spec, but as long as you have a little freeplay you should be OK.
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