GTI 337/20th Anniversary :: Clutch Pressure Low - When Pushed Only Come Back Up Half The Way
Jun 26, 2010
Started losing pressure on my clutch pedal yesterday. When I would push in the clutch pedal it would not push back up to the reset position. It would only come back up half the way. Now today I have a steady ABS light and ASR light on. Checked for fault codes and found no trouble code. Checked brake fluid resevoir for leaks; still has plenty of fluid. Checked slave cylinder bleeder valve for leaks and looks dry. The only thing I think it could be is the clutch master cylinder. If I drive the car for a few minutes I am able to build pressure back up in the clutch, however the ABS light and ASR light still remain while driving. Turning the car off and back on again shuts off the light for a few minutes until I start driving, but the clutch pressure starts back low again.
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My clutch has been feeling very strange lately, and has had a mind of its own. I have looked underneath myself, and have even taken it in to two transmission speacialists and they can't figure it out. The master cylinder isn't leaking, and the slave cylinder is fine as well.
Here's what is going on with my clutch...
- I will push in the pedal, and there will be ZERO resistance until about 1 inch from hitting the floor, then all the pressure is there, and I am able to shift. However, sometimes I won't even be able to put it into gear because the clutch won't engage.
- Then I will pump the pedal, and slowly I will gain a little more room on the draw of the clutch, and it will feel fine. All the way to the point where a few days later it will be driving like new.
- Then it will start feeling funky again a few days later and the cycle starts over.
I drive a 2003 GTI 20th AE.
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I just replaced my clutch and have put everything back together, and bled my clutch line, but I have absolutely no pressure still in my pedal. I read that u need to make sure your brake fluid reservoir is filled to the max, but following the clutch line, I dont see it going to the reservoir? I also read that the master cylinder is behind the clutch pedal, does the master cylinder hold any fluid that maybe I lost during the bleeding? I'm at a loss right now.
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Yesterday, I was taking off from a light and noticed that when I got around 10 PSI, the car kind of nosed over and sputtered. So I started to play around and discovered that no matter what gear, this always happened between 7-12 PSI of boost. Normal driving for me is shifting around 3k RPM, about half throttle. Sometimes when I shift, it pops. Not like a normal, chipped car pop but not quite loud enough to be a backfire.
I took my dad out in the car and got to 55 MPH, then held the throttle half way to keep boost around 10 PSI and it would start sputtering/bogging down erratically. Any more then 12, and the car is fine. Any less then 7 and the car is fine. He suggested a Throttle Position Sensor that has a dead spot in it.
Here's some thought from me:
Coils/Misfires - If it were a coil or misfiring, it would be all the time, not just what I described above, correct?
Boost Leak - At WOT, the car gets up and goes while holding steady boost.
Vac Leak - I've been told at idle, the car is supposed to have 19-21 in Hg of vacuum. It's at 20.
If you turn your speakers up, you can actually hear the exhaust gurgling in the video when I hit the spot I am talking about. There are no loud noises, so don't worry about maxing them. I had to.
[URL] ...
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So I was wondering, what my problem might be. I went to go start my car after work 3 days ago and it cranked half way started and shut down. The things that I have checked are fuses both at the battery and in the side panel, fuel pump relay... It clicks when I turn the key, fuel pump.. Its getting 12 volts when the key is in the on position. Now a buddy of mine had me roll down the driver window and arm the alarm then open the door from the inside and the alarm did not go off nor does the dome lights come on. And the the fuel pump does not prime. He told me its a food lever switch. It's not recognizing that the door is open and that it's linked with the fuel pump that's why it's not priming and it's not starting.
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I have a 04' Jetta 1.8T (AWP) my mods are APR Chip (91octane program) Forge 007 DV, APR TIP, NGK spark plugs, catback exhaust. This issue I am having pretty much started when i got it chipped and I've got it reflashed and I've even talked to people at APR and they are saying that it couldn't be a software issue. Anyhow the problem I am having is at partial throttle my car kind of hesitates a little at 5psi and when i let of the gas the car kind of hiccups a little.. but if i really punch it in every gear i hit 21-22psi no problem, the problem happens when I am driving normal and its really annoying.
I have switched several different N75 valves, I am running the stock one now, I've switched different DV's, i have switched my spark plugs and even put at APR turbo inlet pipe and i have checked for boost/vacuum leaks, I have no CEL...all this hasn't resolved my problem.. I don't know what else to do..
I was thinking about switching my MAF to see if it works, but then again if it was my MAF im sure I would have a CEL. I also was thinking about putting my N75 valve backwards even the DV backwards to see if it works?
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So basically a couple months ago I picked up a 03 20th and GTI, I love the thing to pieces, recently I've got into drive it and I can watch my temp gauge steadily climb to 90 and stop. (before I go any further, I haven't gotten any overheat warnings or anything like that, I've just noticed my car is really hot all the time and the temp gauge goes to 90 within a minute or so of driving but doesn't go over). heat works fine, I've gone in the engine and tested a few things, tested the fans by jumping the connections, my large fan is dead but the small works fine. to my understanding, the large fan isn't used much unless it's really hot anyway. so I removed it and continued trying to find my problem, I felt the rad after letting the car run for a bit, the top half was hot but the bottom half was cool, took the hoses off and flushed my rad thinking maybe something was clogging it, water ran through fine, so I put it back together, put new coolant and tried again. same thing. so I took it for a rip and came back, obviously, the top hose and the rad were hot, but the bottom one was kinda warm. I looked for answers online but I can't seem to find anything like what I'm dealing with. the water pump seems to be working fine, I'm not sure how much flow is supposed to be coming through the Small hose at the top of the reservoir, But I checked it and it has a steady stream coming out of it. I've worked all the air out of the lines as well. The car isn't overheating and doesn't really pass the 90 mark, fans almost never come on but the small one kicks into low when I turn the AC on. which as far as I'm aware is what's supposed to happen.
The car feels like its running hot, checked everything I can think of. rad is hot on the top half and cools at the bottom, coolant has a steady flow back to the reservoir. no actual overheat warnings, I'm just wondering if these cars run hot normally or if I should be concerned.
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Whenever I take a turn my seat slides side to side, both bolts are tight in the front. Is there a way to tighten the lower half of the seat so it doesn't move?
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I recently got the GTI 1.8L 337 with 64,000 on it. It had been sitting, with daily start-ups, for about 8 months until the ALT was replaced. I've been driving it for a month with no problems until last week. At first I noticed the clutch pedal would pause on the way up for a split second then tap the bottom of my shoe. I thought maybe it needed adjustment but nothing serious. A few days ago the pedal would stick at 3/4 of the way up, and stay there most of the time unless I raised it with my foot, till the car warmed up a bit. Yesterday and today the pedal started to stick 1/4 of the way up, unless raised with my foot, at the morning start-up and will only come up 3/4 when warm. It also wont go into reverse at initial start-up until it gets really warmed up, shifting into other gears is fine. I've had no problems or real sounds shifting into any other gears, though out of 1st has been a little jumpy.
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Today I went to start my car and let it warm up and everything worked fine and it started regularly but when I went to go drive the car and put the clutch in the pedal didn't return and I could not put it into gear, need to identify the problem.
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My wife was driving home and was exiting the freeway, downshifted and then no response from the clutch or gearbox. It would move left to right but not go into any gear with the car on. No real pressure in the clutch pedal either. With the car off you are able to find all the gears but when you start the car in gear with the clutch down it just jumps forward and dies. No smoke or burning smells either way and the pedal does come up by itself. Pushed the car into the driveway and its goin to the shop tomorrow morning.
With the search button so far: master/ slave cylinder, full clutch problem, air in brake/clutch lines, shifter linkage bracket
I don't think it's the slave cylinder as the pedal is NOT stuck to the floor, but I am not handy with cars, only motorcycles. First thing I checked was the linkage bracket, which seemed to be fine and as I stated, I was able to get in gear while car was off. Brake fluid was almost full but i know that doesnt rule out air in the lines.
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We were headed home the clutch pedal went soft... Ok, I thought it's either the clutch master or slave. I get it home and replace the master and after bleeding I had good pedal feel.
Great I thought, I got lucky and it was only the master. Drive it around for a bit and get on the highway and just as I was about to downshift the pedal went flat to the floor again.
Well after pumping the pedal until it had good feel again I got it home and bleed it a couple more times just to make sure I got all the air out. Drove it again. Same thing, after a little while the pedal gets soft again.
Now before I go and replace the slave is it possible I have a faulty master? Having issues after replacing the master?
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So I am pretty sure its my clutch that is the problem, here's what happens: When I go into second gear, it doesn't really grind.. but its tough to get it into gear and its only with second gear. sometimes it will go right in and others i have to double clutch. when i double clutch it goes in smooth every time. now I don't think it would be syncros because I am pretty sure if it was that it would do it every time I shift? It only does it while its cold or hasn't been drove in awhile.. but after i drive it around its fine so I am pretty sure its the clutch. Second thing, what is an upgraded clutch that is good for these 6 speed transmissions?
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Noticed recently that my clutch is starting to slip. It only seems to happen when I'm cruising in 6th and floor it. When the boost spikes, the revs will shoot up ~750 rpm and then settle back down before the car starts to pull. It is chipped Unitronic Stage 2 with some other bolt-ons.
What I'm wondering is, should I just drive it like this until it really starts to go, or should I replace it now? And what are my options for a new clutch? I don't want to big turbo this car, so the most it could get is a few more bolt-ons. I'd like a stock feeling clutch.
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I just put a stage 1 clutch in my 20th anniversary. When i was taking the transmission out, i dropped the hydraulic clutch line and all of the fluid spilled out. I got the whole thing done, and bled the clutch line and topped off the reservoir. I started the car and the clutch pedal had, what felt like the right amount of pressure. More than the stock, but not significantly. When i went to put it in gear, its like there is no clutch, just grinding and it doesn't go in to anywhere. I can cycle through the gears with the car off and like i said, the clutch has the right pressure and everything.
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Noticed the other day my clutch pedal trim is coming off... What did you do to fix it?
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I just bought a 2005 GLI and when i test drove it the Clutch was extremely light when I shifted, I have never drove a gli before. Now after researching and further driving i think the clutch is going out. am i right? if so, should i bother putting in a new stock clutch kit or should i go stage one etc...
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I recently was driving home from a buddy's house, when at the light i go to put the car in 1st gear and it was way harder than normal. I kept driving just to try and get home but it was so bad that i never went past 3rd gear.. I'm pretty sure the clutch went out, since it was extremely hard to get the clutch to engage to get it from gear to gear, and i basically have to turn the car off to get it to stop so.....
I'm pretty new too the vw game, and don't know of any good companies as far as clutch kits. Im looking to buy somethings either oem like or a little better but with the same feel. also, just a Pressure plate and clutch. I doubt the flywheel is damaged.
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I keep finding air every time i bleed my clutch. I am not losing fluid but i can not figure out whats causing my problems. The pedal is soft at first and then gets harder and it sometimes needs pumped before i change gears or to even get into gear. I am afraid its the slave but i also just may have air in the system.
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So after replacing my shift forks in my 20th, installing a new clutchmasters fx100 clutch kit with a LWFW I've become a victim of the typical clutch disengagement issue.
In a nut shell car doesn't go into gear while the car is running. System is fully bled with no leaks and a brand new slave installed supplied by CM.
My understanding is the early FML code o2ms in the 20ths can not make use of the NLS shim kit and a stainless line is not a 100% fix.
Who's solved their disengagement issues and how?
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Just got in my car and the clutch went to the floor and stayed there when I stepped on it. What are the steps to diagnose this problem? I'm assuming my slave cylinder went kaput!
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