Vectra B rear discs

[steveg81]

My 2.0 Vectra B has a braking problem.
There is a vibration, felt through the pedal when braking (even when quite soft, so it isn't ABS)
Front discs are newish so I suspect rear discs.
However, local tyre place has looked at car and says rear discs do look corroded but need a special puller to change them so take it to Vauxhall.
This means mega£ to me.
So, is the problem likely to be the rear discs?
If so, where can I have job done cheaper than Vaux dealer?

Thanks

[Den]

Hi
I changed my rear disks no puller needed release the hand brake with a screwdriver through the hole in the disks & pull if they stick tap with a soft hammer I paid about £30 for 2 disks from a motor factor most will sell at trade discount for cash.
PS there is a screw on the disks that has to de removed.

[steveg81]

Thanks for the info, Dan

[wallsender]

Hi, presume you need to remove pads ? do you need to remove caliper as well ?
thanks

[brikhead]

If theres an a.b.s. sensor problem then every time you press the brakes, the car thinks a wheel has stopped turning, this causes the a.b.s. to cut in.

The symptoms for 'warped discs' are very similar to a.b.s. function-the pedal will vibrate or pulsate under foot when brakes are applied. A.b.s. makes more of a grinding noise at the same time though.

The garage may of been confusing your car with the Vectra c, they need a tool to wind back the rear calipers.

[IrishVectra]

you dont need any special tools to do the rear brakes, i just changes the rear disks and pads on my vectra 2.0 about 3 weeks ago. Just remove the calliper(2 bolts) and tie it to something out of the way. Then undo the retaining screw that holds the disk to the hub. The hand brake shoes might hold the disk in place, theres an adjuster towards the top inside the disk that looks like a cog which you open and close by pushing around through a hole in the disk. Once its backed off the disk should pull away

[hobs]

Pull the ABS fuse then take the car up the road. If the problem goes away it's an ABS fault, if not it's probably a warped/misaligned disc or possibly a worn wheel bearing.

Dont assume the front discs are O.K. just because they're newish, get yourself a dial test indicator (d.t.i.) and check all four. Use a couple of wheel nuts with some washers or a short piece of tube under them to hold the disc in place
You can buy a d.t.i. and magnetic stand here for £17.62 inc. vat & carriage.

http://www.chronos.ltd.uk/acatalog/Chronos_Catalogue_Dial_Gauges___Dial_Indicators___ _Magnetic_Bases_73.html

Item code SMT274MET.

If a disc is running out dont assume it's warped. Remove it, clean the face of the hub and the inside of the disc then replace and re-test.
It only takes a little flake of rust or dirt on the hub face to throw the disc out of alignment. This often happens when the disc retaining screw is missing as, when the wheel is removed, the disc moves on the hub.
Use the d.t.i. when replacing discs too, for the same reason.