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Vauxhall astra clutch

I have a 57 plate astra Sri cdti with a clutch problem , when I brake it seams that the pressure in the clutch fades when driving out of town the clutch works fine with a good feel on the pedal but when braking at a junction I can feel a difference in the clutch pedal it feels like the pressure has gone when changing gears and all gears are hard to get ,but I have tried the same junction but with out braking and using the gears to slow me down and I don't have a problem with the clutch pedal , it only seems to happen when I brake and clutch at the same time

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Blackberry_U
  • 223 Answers

SOURCE: low pressure on the clutch pedal.

Might be time to change the clutch.

Posted on Jun 17, 2009

  • 462 Answers

SOURCE: ABS brakes shudder

YOU NEED A SCANNER TO MONITOR THE WHEEL SPEED SENSORS. THE ABS IS SENSING A SKID AND THE ABS IS ACTIVATED WHEN THIS HAPPENS. THERE MAY BE A CODE FOR THE HUB THAT IS CAUSING THE ABS TO ACTIVATE.

CHECK THE WIRES FROM THE SENSORS FOR BREAKS OR CHAFFING. AN OHM READING OF THE SENSOR SHOULD BE 850-1200 OHMS, AND AND A-C VOLTAGE READING SHOULD BE 100 MV WITH YOU TURNING THE WHEEL BY HAND.

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Posted on Jul 06, 2009

  • 6 Answers

SOURCE: 2006 4cyl manual 5 speed transmission 30K

Well, there is only one thing I can think of in your situation. Your pressure plates just simply are not creating enough pressure to allow the gears to engage. Either you have a defective clutch and it needs to be replaced, or possibly just needs a ton of adjustment. When you put it in 1st gear while engine is off, then start it and take off that works b/c there is enough pressure to keep the gears from starting to move when not already moving. However when they are already moving, there is just not enough pressure to stop them from turning, not even long enough to shift. Have you tried forcing it into 2,3, or 4 while driving without the clutch? As long as you achieve the correct RPM's your transmission should be able to do so.

Posted on Mar 08, 2010

  • 1374 Answers

SOURCE: RAV 4 - Inconsistent brake pedal pressure

Take it back to them anyway you really have nothing to loose. The may have a Techinical Service Bulletin (TSB)with regards to this problem. See what they say first if their answer is unacceptable come back and we will help you out.

Posted on Mar 14, 2010

stevenhurc
  • 450 Answers

SOURCE: I have a 2001 holden

possibly air trapped in hydraulic clutch system causes pedal to go low and hard like brake pedal,
bleed from bleed nipple on firewall (bulkhead) under bonnet, left side of vehicle then under neath at slave cylinder.
when left for a while or turn vehicle off it comes good again due to air in line shifts position
these can be tricky to bleed also due to pedal doesnt come up when bleeding must pull up with foot or hand do it slowly and pump it for a while before opening bleeder nipple again.
hopefully you put the clutch fork in the right way again if you replaced the thrust bearing and the bearing itself depending on engine configuration.

Posted on Feb 03, 2011

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