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19th July 2022, 10:19 AM
#1
My ongoing clutch line hydraulic problems
1996 GQ, re engined to td42
Replaced clutch flexible hose section with Nissan oem (so it still has the extra top bleed). Was a complete b because of various issues mainly to do with stripped threads, connections done up too tight, and me being a complete amateur
Anyway, cannot get the system bled. I’m suspecting an air leak somewhere. I have re tightened the connections we touched.
Just always getting air out the top bleed. No pressure in clutch.
When we press the clutch I hear an air noise under the bonnet. Is this normal (it could be something to do with the master cyclindernhousing)
Also when you press the clutch I see air bubbles coming up in the reservoir. Is this normal?
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19th July 2022 10:19 AM
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19th July 2022, 12:30 PM
#2
Clutches are a bitch to bleed sometimes. Open up the nipple on the m/cyl and let it sit for a few hours. Any air will want to go up to the highest point. Then try to bleed the m/cyl alone first, then the next one, then the slave cylinder last.
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The Following 2 Users Say Thank You to mudski For This Useful Post:
MB (24th July 2022), mihit (23rd July 2022)
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23rd July 2022, 02:06 PM
#3
Air noise is definitely not normal. Could be a borked vacuum booster?
An alternative to mudski's method is to get a decent syringe, vet style, about 250ml, and force the fluid back UP the lines from the slave cylinder end. This will push any crap out the lines into the m/cyl, So i usually will syphon that out, wipe it out.
Take it off and clean it if it's particularly gungy. Then top up to apropriate levels and test as per usual.
- 1990 LWB Safari flatdeck, TD42 -
- 1988 LWB 7-seat Safari, TD42 -
1989 LWB 5-Seat, TD42
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The Following User Says Thank You to mihit For This Useful Post:
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26th July 2022, 08:39 AM
#4
Patrol Freak
I bought a vacuum bleeder from repco years ago. It sucks the air and fluid through the system. You don't even have to push the pedal. Simple to use and works well.
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The Following 2 Users Say Thank You to BillsGU For This Useful Post:
MB (26th July 2022), Stropp (26th July 2022)
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26th July 2022, 05:30 PM
#5
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