 clutch slipping |
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| ruddyboys |
 Oct 18 2005, 01:34 PM
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#1
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Hummel eigentümer  Group: Members Posts: 594 Joined: 3-March 04 From: Monroe, NY Member No.: 1,749 Region Association: North East States  |
I have only drove on flat ground since installing the engine, again. I started to back up a set of ramps to fix guess what? thats right an oil leak. Anyway as I am trying to back up these ramps the car is reving like crazy and sarts to go up and stall. After a few turns I finally get it up on ramps I started tighting the nut at the end of the cable and tried again, just about the same. 1st question, if its the cable that needs to be adjusted to I tighten the nut against the fork or loosen it? I don't want to have to keep driving it up the ramps, do a little adjust again and again. 2nd if I need a new friction disk (or is it called a cluch disk) where is the best price? I remember someone finding a simular VW for $89.
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| Brando |
Oct 18 2005, 01:38 PM
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#2
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BUY MY SPARE KIDNEY!!! Group: Members Posts: 3,935 Joined: 29-August 04 From: Santa Ana, CA Member No.: 2,648 Region Association: Southern California |
You don't want a VW clutch. You want a Sachs spring-center clutch for a 914, or a 70s 911 S clutch disk. Most would reccommend a new friction plate (clutch cover, pressure plate) as well. And if your flywheel has a lot of blue/orange/red/black/yellow streaks and grooves worn into it, you might want to consider having your flywheel resurfaced.
Adjusting the clutch cable... Tighten it a bit, go into the cab. The clutch should feel firm after about ½"-1" of depressing the pedal. Any more it might over-extend the cable by the time the pedal gets to the floorboard. If it still gets loose after each adjustment and test, your clutch cable might be breaking or stretching, clutch cable tube in the car may be broken or worse. Be sure to use two nylocks on the clutch cable adjuster by the trans, or some lockwashers between the two nuts. |
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| ruddyboys |
Oct 18 2005, 01:44 PM
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#3
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Hummel eigentümer Group: Members Posts: 594 Joined: 3-March 04 From: Monroe, NY Member No.: 1,749 Region Association: North East States |
How can I tell if it's a broken clutch cable tube?
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| Cap'n Krusty |
Oct 18 2005, 01:55 PM
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#4
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
The tighter you adjust the cable, the more it's gonna slip. The Cap'n
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| SirAndy |
Oct 18 2005, 02:25 PM
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#5
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Resident German Group: Admin Posts: 41,640 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
(IMG:http://www.914world.com/bbs2/html/emoticons/agree.gif) you'll need to back off the nut(s) for more grip ... (IMG:http://www.914world.com/bbs2/html/emoticons/smash.gif) Andy |
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| scottb |
Oct 18 2005, 03:17 PM
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#6
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who wants a PEZ?! Group: Members Posts: 1,993 Joined: 27-December 02 From: south-(not north)-wick, MA Member No.: 32 Region Association: North East States |
wow, i did not know this. sounds counter intuitive but heh.... learn sumpthin new everyday.... (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif) |
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| Rand |
Oct 18 2005, 03:31 PM
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#7
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Cross Member Group: Members Posts: 7,409 Joined: 8-February 05 From: OR Member No.: 3,573 Region Association: None |
It's intuitive once you get it. By default, the clutch discs are pressed together by the pressure plate so the power is transferred from the engine to the transmission. When you push the clutch in, the discs are pulled apart so the motor can spin while not engaged to the transmission.
Since the pedal pulls on the clutch lever, the tighter the tension, the less freeplay. Tighten it too much and you have constant tension pulling on the clutch... like pushing the pedal part way so the clutch slips. On the other hand, back the nut off too far and you have to push the pedal farther before getting clutch action... too much freeplay. |
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