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displaying posts 1 to 11 of 11
| Author | Subject: Soft brake pedal when cold |
 demondriverdan
Seasoned Pro  Location: Londinium Registered: 29 Nov 2010 Posts: 2,665 Status: Offline |
Post #1
Just remembered something odd about the brakes on the race car when we were out at Brands last week. Once we'd done a few runs in the car, each time you went out the brake pedal was quite soft but after a lap or two would get much firmer and back to how it was a the beginning of the day.Any ideas? Not certain what was causing it. ________________________________________ Rallye Race Car |
 Posted 14th Nov 2013 at 10:38
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rikky
Pikey Location: cheshire Registered: 28 Feb 2004 Posts: 26,797 Status: Offline |
Post #2
what fluid are you using?________________________________________ 306 rallye reproduction decals (full sets/individual decals) | 306 b-pillar textured vinyl weatherstrips306 slam panel esso stickers | 306 yellow / orange / pension fund red side door badges gti6 inlet manifold badges | 306 rear boot badges (p2/p3) winner of Extraction of toys from prams with outstanding vigour award 2009 [source: gti6 owners club] |
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Posted 14th Nov 2013 at 10:41
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demondriverdan
Seasoned Pro Location: Londinium Registered: 29 Nov 2010 Posts: 2,665 Status: Offline |
Post #3
Dot 4________________________________________ Rallye Race Car |
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Posted 14th Nov 2013 at 10:54
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dangti6
aka JKshooter  Location: Taunton, Somerset Registered: 15 Jun 2006 Posts: 10,308 Status: Offline |
Post #4
What pads are you using?________________________________________  |
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Posted 14th Nov 2013 at 11:44
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demondriverdan
Seasoned Pro Location: Londinium Registered: 29 Nov 2010 Posts: 2,665 Status: Offline |
Post #5
dangti6 wrote: What pads are you using? Standard Brembo pads that came on the Megane 225. I have plans to upgrade but didn't think the pad would cause the problem? ________________________________________ Rallye Race Car |
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Posted 14th Nov 2013 at 13:13
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stan_306gti6
Forum Admin Location: Kent Registered: 18 Jan 2004 Posts: 21,769 Status: Offline |
Post #6
Try a fluid change first and ensure you bleed the system properly.________________________________________ "Supercharged - 454.1bhp/317.5lb/ft"Peugeot 306 GTi-6 2000 (X), Moonstone  |
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Posted 14th Nov 2013 at 13:30
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demondriverdan
Seasoned Pro Location: Londinium Registered: 29 Nov 2010 Posts: 2,665 Status: Offline |
Post #7
It's a new system as I replaced all the lines when I removed the ABS. There are no leaks and we've bled it about 5 or 6 times to make sure all the air was out.________________________________________ Rallye Race Car |
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Posted 14th Nov 2013 at 13:47
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Hawkesfire
Regular  Location: Stockton on tees Registered: 26 Mar 2013 Posts: 180 Status: Offline |
Post #8
If you have a bias valve have you got this opened up enough to let fluid through also could be a bent bracket on your callipers so the pads have to pull up before they work correctly as i had this on the back of a Mk2 escort when someone had fitted a rear disc conversion and did not get the brackets lined up straight before they welded them to the axle !!!!!________________________________________ 206 Rallycross GTI6 SC SHB 425 BHP clutch eater !!! |
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Posted 14th Nov 2013 at 15:57
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phillipm
Seasoned Pro  Location: Rotherham Registered: 15 Oct 2006 Posts: 20,607 Status: Offline |
Post #9
Could also be the master cylinder clearance.________________________________________ - Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM meEmail me! Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces. |
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Posted 15th Nov 2013 at 19:48
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demondriverdan
Seasoned Pro Location: Londinium Registered: 29 Nov 2010 Posts: 2,665 Status: Offline |
Post #10
Hawkesfire wrote: If you have a bias valve have you got this opened up enough to let fluid through also could be a bent bracket on your callipers so the pads have to pull up before they work correctly as i had this on the back of a Mk2 escort when someone had fitted a rear disc conversion and did not get the brackets lined up straight before they welded them to the axle !!!!! We've got a bias valve, around the mid-position so some fluid should be going in. Bent bracket doesn't sound too good! Will check them. ________________________________________ Rallye Race Car |
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Posted 18th Nov 2013 at 17:44
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demondriverdan
Seasoned Pro Location: Londinium Registered: 29 Nov 2010 Posts: 2,665 Status: Offline |
Post #11
phillipm wrote: Could also be the master cylinder clearance. Master cylinder clearance? As in how far the master cylinder moves? ________________________________________ Rallye Race Car |
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Posted 18th Nov 2013 at 17:45
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