Low biting point and stiff shift - Clutch and Gearbox - uk-mkivs

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Low biting point and stiff shift


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#1 valkyr

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Posted 01 October 2019 - 12:22 PM

Yep, never ends with my golf apparently :D

 

So the clutch starts biting about 1cm off the floor, pedal feels normal and doesn't judder (though it did a tiny bit before the biting point got low). When the car is off I can easily change gear, but while running it feels like a WWE title match. Crunches in R 99% of the time no matter how long I wait for etc and has pretty much done that since April - adjusting the linkage fixed it till now. 1-2 sometimes crunches and often 1st refuses to go in and occasionally pops back out. Seems to get a little better after warming up.

 

I had my suspicion the release bearing was on the way out since it made a whining noise when the clutch was in, but found out it could also be down to the hydraulic system. Gears could be synchro related as well. Hopefully not both on the way out!

 

My question is; what's the best way forward to diagnose it guys?

 

I've checked the linkage and reset it. Basically came out of nowhere one afternoon.




#2 northpole

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Posted 01 October 2019 - 12:51 PM

Either bearing, csc or worse the clutch itself... one way only to diagnose properly is to split the gearbox from the engine and look inside.

#3 adam-

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Posted 01 October 2019 - 01:26 PM

Have you tried to bleed it?
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#4 valkyr

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Posted 01 October 2019 - 01:39 PM

Have you tried to bleed it?

Just looking at how to do it now.. So where the bleed nipple is there's a very loose little plastic cover bit and a hole. Shouldn't there be a plug?



#5 adam-

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Posted 01 October 2019 - 02:01 PM

Dunno, can't see.
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#6 valkyr

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Posted 01 October 2019 - 02:11 PM

Dunno, can't see.

I'm mistaken, bleed nipple is fine. I'll do the brakes and clutch asap then.



#7 valkyr

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Posted 01 October 2019 - 02:41 PM

Update: Squeaking noise coming from clutch itself when pressing the pedal in. Definitely release bearing by the sounds of it?



#8 northpole

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Posted 01 October 2019 - 03:42 PM

Could also be the clutch itself... longstory short if you are going to replace the bearing replace both the clutch and DMF while you are at it... the CSC should be fine but don't split the lot only to replace the bearing because you might regret it when not long after the clutch or the flywheel needs replacing.

#9 valkyr

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Posted 01 October 2019 - 03:57 PM

Could also be the clutch itself... longstory short if you are going to replace the bearing replace both the clutch and DMF while you are at it... the CSC should be fine but don't split the lot only to replace the bearing because you might regret it when not long after the clutch or the flywheel needs replacing.

Assuming it was the bearing I would replace the lot anyways... What is the CSC?



#10 northpole

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Posted 01 October 2019 - 03:57 PM

Clutch Slave Cylinder

#11 valkyr

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Posted 02 October 2019 - 11:04 AM

Clutch Slave Cylinder

Ah right. Well clutch shoot itself fully now, pedal wont return back up and makes a horrendous banshee noise. Defo the bearing. Relying on public transport till the weekend  :whistle:


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