today I fixed the hydraulics for the clutch. Bracket for the slave failed last year and took the slave out with it. Welded up the bracket and replaced the non-serviceable master & slave.
Worked fine for ages then the welds failed in the cold weather and gear selection got troublesome.
Rewelding the bracket achieved nothing except letting air into the line via the slave during removal of the bracket.
There was nowhere to get a new master & slave before monday so no chioce but to try and bleed the air despite the system being sealed and "non-seviceable".
So, like this:
1. remove the cap from the reservoir on the master.
2. if the slave is not already out of the bracket, remove it - be super careful not to cant the piston with respect to the cylinder or or will get past.
3. using a quick clamp repeatedly compress & release the piston on the slave. This will drive air back up to the reservoir. When releasing the clamp ensure that the piston stays in line with the cylinder or air will get past again.
4. keep doing step 3 until no more bubbles then carefully reinstall the slave
5. test the pedal - if you don't have back pressure through the full stroke go back to step 2 and repeat.
6. if the problem is solved remember to now top up the reservoir if necessary and replace the reservoir cap.
So this "non-serviceable" clutch hydraulic kit is serviceable.
A couple of other points -
there are traps due to the routing of the hydraulic line - I removed the master & uncliped the line down to where it runs under the fuse box then had someone hold it so the lines were as vertical as possible & this made purging the air easy, but I did this twice - one with the master in the bulkhead and once with it out - both ways worked - the second way the purge was much quicker but the hassle of removing & refitting the master was imense
Finally, that bracket is a piece of sh!t. Even with pieces of 3mm flat stock welded in to prevent it flexing it flops around like its made from bingo wings
Cheers
Simon
Worked fine for ages then the welds failed in the cold weather and gear selection got troublesome.
Rewelding the bracket achieved nothing except letting air into the line via the slave during removal of the bracket.
There was nowhere to get a new master & slave before monday so no chioce but to try and bleed the air despite the system being sealed and "non-seviceable".
So, like this:
1. remove the cap from the reservoir on the master.
2. if the slave is not already out of the bracket, remove it - be super careful not to cant the piston with respect to the cylinder or or will get past.
3. using a quick clamp repeatedly compress & release the piston on the slave. This will drive air back up to the reservoir. When releasing the clamp ensure that the piston stays in line with the cylinder or air will get past again.
4. keep doing step 3 until no more bubbles then carefully reinstall the slave
5. test the pedal - if you don't have back pressure through the full stroke go back to step 2 and repeat.
6. if the problem is solved remember to now top up the reservoir if necessary and replace the reservoir cap.
So this "non-serviceable" clutch hydraulic kit is serviceable.
A couple of other points -
there are traps due to the routing of the hydraulic line - I removed the master & uncliped the line down to where it runs under the fuse box then had someone hold it so the lines were as vertical as possible & this made purging the air easy, but I did this twice - one with the master in the bulkhead and once with it out - both ways worked - the second way the purge was much quicker but the hassle of removing & refitting the master was imense
Finally, that bracket is a piece of sh!t. Even with pieces of 3mm flat stock welded in to prevent it flexing it flops around like its made from bingo wings
Cheers
Simon
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