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leak off test 2.4di

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leak off test 2.4di

Postby kennyb11 » Sat Jan 13, 2018 12:22 am

hi folks hope your well, I have a 2002 mk6 jumbo 2.4 di looking for some advice on doing a leak off test on injectors ,rebuilt head a couple of months ago ,new chain tensioner guides etc .van runs like a champ and starts on the button .bit of white smoke when cold but clears after five minutes driving.faint thumping noise through resonator ,changed all the rockers ,still thumping ,all I have left to check are injectors. so if I'm right I remove leak off pipes from injectors ,blank them to stop ingress of air,connect 4 tubes into injectors ,other end into bottles then start engine ,run engine for 2 minutes then check level in bottles? what should the levels be? thanks in advance
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Re: leak off test 2.4di

Postby kennyb11 » Fri Feb 02, 2018 10:46 pm

thanks for that ,I daresay ill figure it out myself
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Re: leak off test 2.4di

Postby bambi mk 1 » Fri Feb 02, 2018 10:50 pm

kennyb11 wrote:thanks for that ,I daresay ill figure it out myself

Let us know how you get on :roll:
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Re: leak off test 2.4di

Postby APH » Sat Feb 03, 2018 11:04 pm

They all thump slightly, its a distinct sound of a duratorq engine running. usually like a woa woa woa low down sound from the air intake. If really loud, wedge something under the air filter box as seems to make it louder once the rubber mountings for the resonator / air box start to wear and allow excess movement.
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