1988 pontiac fiero gt...282 getrag 5 speed... i replaced the clutch master cylinder and bled the lines full air with the pedal bleeding method by V8archie (i must have repeated the steps like 20 times)... and i still have no clutch pressure and the car wont go into gear...the hydraulic line has no leaks... when the clutch pedal is fully depressed a constant stream of fluid flows out of the slave cylinder and than the screw is tightened again before the pedal is released... any ideas?

so to recap... i have no leaks...no air in the lines now...and i still have no pressure..

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1988 Pontiac Fiero Gt (has every option available from that year including factory leather, 5-speed, and the rare T-Tops: Black w/ gray interior and blk wheels)
1992 GMC Typhoon #0203
1971Chevorlet Corvette 454cu/ LS5/ 4-speed/ convertible
1993 BMW 850 Ci 6-speed V-12

Does the slave move at all? If not, and you're certain there's no air left in the system, then either your new master has a failed internal piston seal, or your slave does.

can the slave cylinder fail without leaking? Is it really that possible that a brand new master cylinder has already failed?..i bled it about four times with no air as a result and the master cylinder seems to be doing its job pushing the fluid to the slave cylinder...

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1988 Pontiac Fiero Gt (has every option available from that year including factory leather, 5-speed, and the rare T-Tops: Black w/ gray interior and blk wheels)
1992 GMC Typhoon #0203
1971Chevorlet Corvette 454cu/ LS5/ 4-speed/ convertible
1993 BMW 850 Ci 6-speed V-12

Try pumping the clutch pedal and see if you start to get some slave movement. 5, 10, maybe 15 fairly quickly full pump strokes. Does the slave piston move then?

ok i went back out there and bled it once more and there was a little pressure on the pedal and fluid came pyling out... i did it again nothing came out of the bleeder screw and bled it again same result... my helper pumped it 10 to 15 times and at about a 5 sec delay half the fluid in the resivour went down... the slave cylinder went fully depressed and the car rolled... for some reason my helper decided to convince me to bleed it one more time and after that bleeding the clutch pedal went sloppy again like before and no fluid comes out of the bleeder screw... the slave cylinder although moves just a hair everytime when pumped for the most part... any ideas

Archie suggests compressing the slave cylinder then perform the bleeding process, you'll get the poor results that you described if you don't because there is an air bubble that gets trapped. This is how I did it, put a wedge of wood in there to compress the slave then bleed.



Open the bleeder, push and hold pedal down, close bleeder, release pedal and repeat.. Check master cylinder after 2 clutch pushes while bleeding. Only after you're all through bleeding do you remove the wedge of wood.

Good luck!

+1 on the block of wood bleed.

If pumping increases the pedal feel/slave rod movement, that means you still have air in the system.

[This message has been edited by phonedawgz (edited 10-10-2010).]

well i actually tried that unknowing making it work about 10 minutes before you guys just suggested it but you guys were completely right... there was an air bubble in the slave cylinder causing the fluid to not drain out of the bleeder screw as soon as i tried it the second time it firmed up and now the clutch feels stiff and engages 3/4 from the floor like it did before and shifts great now... u guys are the best thanks for all your help...

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1988 Pontiac Fiero Gt (has every option available from that year including factory leather, 5-speed, and the rare T-Tops: Black w/ gray interior and blk wheels)
1992 GMC Typhoon #0203
1971Chevorlet Corvette 454cu/ LS5/ 4-speed/ convertible
1993 BMW 850 Ci 6-speed V-12