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Bracket on inner brake pad

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oragex
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Post by oragex »

Rattnalle wrote: 27 Nov 2017, 13:12
oragex wrote: 27 Nov 2017, 08:58 Not sure as well why that bracket has to be secured to the cylinder.

But while here, I have a rant about the brakes design in these P2. You notice in the Toyota kit, there are a bunch of stainles steel shims that go between the pads and the caliper. Volvo cheaped out (or is it Ford actually) and skipped these shims: in Volvo the pads touch directly to the caliper bracket and the metal at the contact point wears and gets grooved which prevents the pads from sliding properly when the brakes are applied.

I work the retaining spring with long nose pliers.
Neither the 7-series nor the 8-series cars that I've owned have had clips like that. They've worked well enough well past 300 k km on wet, cold and salty swedish roads.

Well, one of the 7-series cars had a rear caliper stick but it turned out the brake fluid was a thick rust coloured goo.
Mine are worn at 100k miles. Perhaps yours weren't the original or perhaps the germans use better metal. I have a slight doubt the brakes on Volvo were sourced from Ford, enen the handbrake system is very poor on these cars.

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Rattnalle
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Post by Rattnalle »

oragex wrote: 27 Nov 2017, 15:17
Rattnalle wrote: 27 Nov 2017, 13:12
oragex wrote: 27 Nov 2017, 08:58 Not sure as well why that bracket has to be secured to the cylinder.

But while here, I have a rant about the brakes design in these P2. You notice in the Toyota kit, there are a bunch of stainles steel shims that go between the pads and the caliper. Volvo cheaped out (or is it Ford actually) and skipped these shims: in Volvo the pads touch directly to the caliper bracket and the metal at the contact point wears and gets grooved which prevents the pads from sliding properly when the brakes are applied.

I work the retaining spring with long nose pliers.
Neither the 7-series nor the 8-series cars that I've owned have had clips like that. They've worked well enough well past 300 k km on wet, cold and salty swedish roads.

Well, one of the 7-series cars had a rear caliper stick but it turned out the brake fluid was a thick rust coloured goo.
Mine are worn at 100k miles. Perhaps yours weren't the original or perhaps the germans use better metal. I have a slight doubt the brakes on Volvo were sourced from Ford, enen the handbrake system is very poor on these cars.
The entire braking system om these cars was already designed when Ford bought Volvo since the P2 S80 was released before the takeover and they didn't change after that.

I think two of my calipers are still the original on the current car. One has been replaced previously and I've replaced one. At $90-100 for a brand new non refurbished caliper it seemed quite a bargain compared to spending the time fixing it up myself with new seals and all. I've never had the friction surfaces fail though, always rust on the piston due to leaking seals.

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