Question about 1986 Saab 900

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Front handbrake adjustment seized on 1986 saab 900 16v

How do i go about changing the front disc pads my mechanic told me its seized is there any diagrams and procedures that i can do to free it
are there any special tools required

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In order to change your front pads you will have to retract the piston back into the caliper.
This is done by rotating the piston by means of a special tool. You can make your own tool. I found that the spanner for changing grinding discs on an electric grinder works fine with a little bending.
If you cannot rotate the piston I'm afraid you're stuffed.
You could try soaking it in penetrating fluid and trying again later.
With older calipers you will often find that after changing the pads the handbrake is pretty useless.
If this is the case your only option is a new caliper (or two)
Your local motor factors will sell you reconditioned units for about £70 each (exchange) so not too bad.
I wouldn't recommend second hand ones because these cars suffer with siezed calipers and a second hand one might not be much better than yours.
Good luck. Tom.

Posted on Feb 24, 2009


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