does any one know if anyone in NZ can rebuild the hydraulic brake servo on these? There is a guy in the US who I can send it to, but thought I better try local first. The servo is made by ATE.
On a side note, what a PITA to remove. Not looking forward to reinstalling :o
If you can buy the diaphragm then do it yourself, piece of cake to take apart and simple as inside. Heavy spring in there so watch out.
I haven't been able to find a seal kit, are you talking about a vacuum booster ?
My bad, yes I am.
There's a place in Christchurch that can rebuild servos.
I think they're call CBC?
Convert it to vacuum assist and throw the stupid hydraulic system in the bin
Quote from: 90_B2 Quattro on September 14, 2020, 03:21:21 PM
There's a place in Christchurch that can rebuild servos.
I think they're call CBC?
Thanks I'll see if I can hunt them out
Quote from: 00quattro00 on September 14, 2020, 06:18:21 PM
Convert it to vacuum assist and throw the stupid hydraulic system in the bin
I did briefly consider that, but figured it was easier to rebuild the current system than hunt out parts to modify and get it certed
I rebuilt my URQ booster. Fairly simple operation. But the booster was not the problem. It just disguised a failing master cylinder. But the booster was leaking a little so two birds with one stone. All the booster o rings were available off the shelf and the end 9.5 x 22 x 7 oil seal was replaced with a 9 x 22 x 7 seal likewise off the shelf which is what the americans supply in their kits anyway. It all works good.
https://sealhouse.co.nz/ (https://sealhouse.co.nz/)
Appreciate the info, thanks
Have you been bleeding the brakes using the pedal? I read a long time ago that if you manually bleed the brakes you risk damaging the seal on the hydraulic booster.. Best to use a pressure bleeder.
I managed to swap out the booster without breaking into the brake hydraulics- thanks for the tip though I'll be aware of this next time I need to bleed the system.
BTW , a flexible 3/8 drive extension is real godsend when you're trying to get the nuts started on the booster deep in behind the dashboard
https://www.motiveproducts.com/collections/import-power-bleeder-kits/products/0100-european-bleeder
Best tool I ever bought, FYI I don't put the fluid in the chamber, just top up the reservoir, less mess to clean up.. Those small vacuum pumps don't work on these cars either..
Also, just wondering where it was leaking? I used to have a very very slight leak of some fluid onto the drivers carpet, I think it was brake fluid but not sure.. Years ago when I started using the pressure bleeder it went away and never came back..
Yeah, mine had a very slow leak out of the bellows on the pedal end and into the footwear. The brake pressure warning would come on at startup if it had been sitting more than a day , now it doesn't:)