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Brake pedal travel - spongy

Started by TheBoy, 01 March 2008, 19:39:51

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TheBoy

A lot of pedal travel.  I reckon I'm can get close to getting in on the boards!

Does that mean I have air in it?

I have bled it today (along with new front discs/pads), no air coming out at calipers. Air in ABS unit?

Grumpy old man

tunnie

you actually got any pads left?  ;)

VXL V6

QuoteA lot of pedal travel.  I reckon I'm can get close to getting in on the boards!

Does that mean I have air in it?

I have bled it today (along with new front discs/pads), no air coming out at calipers. Air in ABS unit?


Does the pedal feel spongy with the engine running?


Marks DTM Calib

Have you ensured there is no air in the caliper?

markey mark

QuoteA lot of pedal travel.  I reckon I'm can get close to getting in on the boards!

Does that mean I have air in it?

I have bled it today (along with new front discs/pads), no air coming out at calipers. Air in ABS unit?


pressure bleed was the only way i could get a pedal on one i sold bud ! :y

TheBoy

QuoteHave you ensured there is no air in the caliper?
Not quite sure how I could have got air in calipers - I used easibleed to get the fresh fluid to calipers, then clamped hose and push caliper in to get old fluid from caliper.  At no point, afaik, could it have 'sucked' air in through nipple.  If I have got air in them, how do I clear?

Its probably more likely I let air in at res end when emptying old out - didn't think I let it get that empty, but possible I guess  :'(
Grumpy old man

TheBoy

Quoteyou actually got any pads left?  ;)
No, thats why I needed to change them. And the discs. ::)
Grumpy old man

Jimbob

Think you could find someone with a tech 2 to activate the abs, heard that can clear air  ;D

TheBoy

QuoteThink you could find someone with a tech 2 to activate the abs, heard that can clear air  ;D
I guess that will be my next move tomorrow, unless someone else has a better idea....
Grumpy old man

Danny


achoo81

#10
I was told by a Vx mechanic that when you change the fluid or bleed these brakes you should use the easibleed  system that uses the air in the spare tyre to bleed them NOT to use pump pedal method as the seals in the master cylinder and the rest of the system dont like it. Also  bleed them starting from the furthest nipple away from the master cylinder and finish at the closest to it.

TheBoy

QuoteI was told by a Vx mechanic that when you change the fluid or bleed these brakes you should use the easibleed  system that uses the air in the spare tyre to bleed them NOT to use pump pedal method as the seals in the master cylinder and the rest of the system dont like it. Also  bleed them starting from the furthest nipple away from the master cylinder and finish at the closest to it.
This is first time I've ever used easibleed on Omega, and this happens.  Every other Omega I've always done the old fashioned way, with much better success!
Grumpy old man

achoo81

If you use the easibleed again make sure you have at least 30psi in the wheel you are using when I use mine I put around 35 psi in it and fill the resovior to within an inch of the top.

lee4206

It not the ideal way to to do it but if its air traped at master cyl you can sometimes clear it by pushing the pistons back very slowly without undoing the bleed nipple. This should force all of the air out.  You will need to suck the fluid out of the resivoir  to stop it over flowing
VAUXHALL TRADE CLUB AND HALFORDS TRADE CARD  AND V6 LOCKING KIT HOLDER  always happy to help if poss

Bandit127

QuoteIf you use the easibleed again make sure you have at least 30psi in the wheel you are using when I use mine I put around 35 psi in it and fill the resovior to within an inch of the top.

Don't want an argument here but the last time I used one the instructions said no more than 15 psi as it affects the seals?

(Which was probably the last time I Please read the manual as it happens....)

Jim