John

(Rear on 94 Discovery 300tdi (reg 20/6/94))

Bought pistons (Britpart GI 78350 corresponding to 606683)

put them in but they don't go in as far as the ones I took out. Will remove
them tomorrow to check their size. (Can't believe they come in different
sizes.) Can anyone advise?

Dougal

John wrote:
> (Rear on 94 Discovery 300tdi (reg 20/6/94))
>
> Bought pistons (Britpart GI 78350 corresponding to 606683)
>
> put them in but they don't go in as far as the ones I took out. Will remove
> them tomorrow to check their size. (Can't believe they come in different
> sizes.) Can anyone advise?

Probably just got the stock mixed up.

Front pistons are longer than rear pistons. Front piston about 34mm
long, rear piston about 28mm long. Diameters are the same.

Oily

"John" <john@tollick.plus.com> wrote in message
news:42444e0e$0$80999$ed2e19e4@ptn-nntp-reader04.plus.net...
> (Rear on 94 Discovery 300tdi (reg 20/6/94))
>
> Bought pistons (Britpart GI 78350 corresponding to 606683)
>
> put them in but they don't go in as far as the ones I took out. Will
remove
> them tomorrow to check their size. (Can't believe they come in different
> sizes.) Can anyone advise?
>

>606683 are the front caliper pistons 1 5/16" deep, the ones you want for
the rears are 606696, they are 3/16" shorter.

HTH Martin

beamendsltd

In message <42444e0e$0$80999$ed2e19e4@ptn-nntp-reader04.plus.net>
"John" <john@tollick.plus.com> wrote:

> (Rear on 94 Discovery 300tdi (reg 20/6/94))
>
> Bought pistons (Britpart GI 78350 corresponding to 606683)
>
> put them in but they don't go in as far as the ones I took out. Will remove
> them tomorrow to check their size. (Can't believe they come in different
> sizes.) Can anyone advise?
>
>
You've got the wrong pistons - they should be 606696, the
ones you have are for the front.

Richard
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