how do i go on about pushing the pistons back in on my 4pots? this is all new to me. :)

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ahhhh the famous matty green. remember talking to you when you had Steve's corsa let. I used to have the red mk1 uno & the yellow punto gt ( top of St. John's road )
 
Lol at the famous mattygreen...

I've seen your cars, but can't remember you, prob when I see you.. Did see you drive by my house the other morning... Both Cupra and Gt look nice [B)]