90 with brake pedal issue

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chrisstdt

chrisstdt

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My 1986 90 with a 200 tdi fitted had good brakes till changed the rear shoes and I let a piston cone out of a wheel cylinder while trying to fit the new shoes
Got piston back in but couldn't bleed brakes (had to pump pedal for it to go hard) so I changed the master cylinder
Was a right mare to bleed but once bled brakes were great until I drive a few miles and the problem with the pedal returned

Tried bleeding again ,no play in wheel bearings and new shoes adjusted up properly

Anyone had the same thing ?

Thanks
 
chrisstdt said:
My 1986 90 with a 200 tdi fitted had good brakes till changed the rear shoes and I let a piston cone out of a wheel cylinder while trying to fit the new shoes
Got piston back in but couldn't bleed brakes (had to pump pedal for it to go hard) so I changed the master cylinder
Was a right mare to bleed but once bled brakes were great until I drive a few miles and the problem with the pedal returned

Tried bleeding again ,no play in wheel bearings and new shoes adjusted up properly

Anyone had the same thing ?

Thanks
Click to expand...


This is not a trick question, how did you fit the main brake shoe return spring, shoe to shoe, or shoe to backplate pin?
 
Sounds like you just had air in the slave after letting the piston come out. Do not understand why you changed master when it was working before.
 
Screen Shot 2021-09-13 at 21.19.32.png
chrisstdt said:
Fitted shoe to shoe as that's how the old ones were
Click to expand...

That will be your issue, Iirc spring goes from one sho to the back plate peg, the other shoe self servos.
I will see if google furnishes a pic.

Google came up with a pic from landyzone!
Bottom spring is shoe to shoe, top spring is shoe to backplate.
 
chrisstdt said:
Mmm I put the top spring from shoe to shoe

Thanks il try changing it
Click to expand...

The series motors are the same set up all around, has caused many a hiccup over the years.
I also find if you adjust the brake so there is no rubbing you have a crap pedal, so I adjust mine so they are just lightly rubbing which seems to work well.
Of yeh and its also quite common the the pin to drop out of the shoe, a blob of weld sorts that issue out.
 
lynall said:
I think their biggest issue is out of sight out of mind.
Click to expand...

This + you've reminded me, must refurbish the handbrake on the Forester. Most Subaru's have a twin rear hub brake set up, 1. caliper and disc, and 2. inner hub brakes hoes for handbrake. Haven't touched mines in years...
 
v8250 said:
This + you've reminded me, must refurbish the handbrake on the Forester. Most Subaru's have a twin rear hub brake set up, 1. caliper and disc, and 2. inner hub brakes hoes for handbrake. Haven't touched mines in years...
Click to expand...

Same as D3/4 and lots of mercs.
 
While my old 06 Focus has discs all round my daughters two year old Focus has drums on the rear. So in answer to your question yes, the sort of cars you find outside Tesco / Aldi.
 
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