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bastibum

Front brakes pre '85 mk2 breadvan

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bastibum

Does anybody know the ins and outs of replacing the front discs and pads on a pre 85 Mk2? The system with square brake pads I'm talking about. my haynes manual is from 1990 or so

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dvderlm

I changed mine for ATE vwII calipers which are simpler and work with vented discs.

 

I do remember pulling out a wire clip and having to hit two pins out with a punch and a crucifix springy thing first

to be able to pull the worn postage stamp pads out.

and resetting the piston inwards with a piece of wood.

 

I never changed solid discs myself, but if you can lift the caliper off the strut and support it , it should be just 1 very rusty screw locating the disc on the hub for easier alignment  of the wheel bolts...

Try this?

 

https://www.ratwell.com/technical/BrakeJob.html#front-pads

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bastibum

Yeah your memory is 100% correct. Getting the pads out was the easy part. I can't get the new ones to click in properly, not enough space for the new brake disc. Probably due to corrosion on the caliper bracket. 
Time to do some sanding 😔

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Yeti

It's well worth at the very least changing the calipers for VW1's (same size disc but bigger pad area) or VW2's (same diameter, vented discs). 

 

 

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dvderlm

Sanding what ... the slots for the pads?

Not the pads.

 

Did  the pistons push back in easily? 

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bastibum
17 hours ago, dvderlm said:

Sanding what ... the slots for the pads?

Not the pads.

 

Did  the pistons push back in easily? 

I meant sanding the slots. Didn't really work. No the piston does not push back that easily. I tried using big pliers. How did you make use of the wood?

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Yeti

Make sure you've got the brake reservoir cap off if you're trying to push the pads back. You can use a windback tool (cheap enough), but they don't actually need winding, so I just use a G-clamp and one of the old pads to spread the load.

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bastibum

I eventually found even bigger pliers and it worked. Seems like it's freewheeling on both sides now (maybe ever so sligth contact). But on the left side the outside pad is a bit skewed. At least, it seems to rub every rotation at a certain point and then is free again. The disc is new, so it can't be warped

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dvderlm

Hub surface clean?

 

Definitely pad and disc and not the dust-shield metal?

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