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Author Topic: Any way of testing pistons for leaks.  (Read 1816 times)

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martin42

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Re: Any way of testing pistons for leaks.
« Reply #15 on: 28 January 2014, 22:19:55 »

Patience,grease,screwdriver and a steady hand,smear some oil on valve stems and seals.
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aaronjb

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Re: Any way of testing pistons for leaks.
« Reply #16 on: 29 January 2014, 09:58:20 »

Patience,grease,screwdriver and a steady hand,smear some oil on valve stems and seals.

And a really clean workshop so you can find the ones you drop.. (or maybe it's just me who does things like that!  :-[)
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Nick W

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Re: Any way of testing pistons for leaks.
« Reply #17 on: 29 January 2014, 10:18:04 »

From the last two posts:

A small, lightly magnetised screwdriver to hold and position the collet. A small dab of grease on the   collect grooves will stick it to the valve. It's very fiddly, advanced swearing helps. Remember to fit the valve seals first!

Putting a clean layer of newspaper, thin cardboard, brown-paper etc on the workbench(chest freezer in my case) is very helpful. Changing it as soon as it gets dirty is the real key to not losing little parts.
« Last Edit: 29 January 2014, 10:22:33 by Nick W »
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Andy B

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Re: Any way of testing pistons for leaks.
« Reply #18 on: 29 January 2014, 11:08:20 »

....

And a really clean workshop so you can find the ones you drop.. (or maybe it's just me who does things like that!  :-[)

When I dismantled the the ignition barrel, the pin that is used as a stop fired out in slow motion & landed in a pile of 'stuff' in a corner of my garage!!  :o :o :o :o :o I looked, could find it! Thought about making another but then thought I'd have a last look! And there it was ...................... No idea how you can find a 1/8" x 1/2" pin in the tip I call a garage ...... but I did!  :y :y :y :y
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omega3000

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Re: Any way of testing pistons for leaks.
« Reply #19 on: 29 January 2014, 18:12:04 »

Patience,grease,screwdriver and a steady hand,smear some oil on valve stems and seals.

And a really clean workshop so you can find the ones you drop.. (or maybe it's just me who does things like that!  :-[)

Nope  ;D
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Vauxhalloofer

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Re: Any way of testing pistons for leaks.
« Reply #20 on: 29 January 2014, 20:03:36 »

Hi all, struggled nearly lost one collet but got them all back in with new valve stems.Got new water pump and vauxhall cam belt kit on its way.Almost there.Any idea what the torque value of the housing temp sender etc on back of cylinder is.Thanks
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