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Thread: Blowing/chuffing/leaking injectors

  1. #1
    Regular Member lee gsi's Avatar
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    Default Blowing/chuffing/leaking injectors

    What seals the injectors to the head on a 1.9 CDTi?

    One of mine has what looks like 'coal' around it. I have chipped most of it off so now want to remove it and replace any seals to stop it happening again (On all 4)

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    Regular Member lee gsi's Avatar
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    Not to worry, Just found the HOW2 on replacing the copper crush washer Vx Pt No 93178683

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    hi, just did this 2 weeks ago, make sure you buy new washers, new nuts and new cup washers cos they shatter quite easily and that held me up for a couple of days, for a few quid, definitely worth replacing for new. also, i had to change one of the pipes for a new one as the union had failed. they don't really like being reused. it was about £25 for the pipe for the 1st injector (first on left). quite a straight forward job, blob of copper grease on the washer so it sticks to the injector n doesn't fall down into the hole n jobs a good'un. will be apig to start first of all aand i got every possible warning light come up first time round, was ok once the fuel was round the system again

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    Regular Member lee gsi's Avatar
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    Any chance of part numbers for the other bits please

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    Sorry i didnt think to get them n just asked for the nuts n cup washers that are part of the injector securing assembly n he knew what i was on about

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    Lee,
    If you've lots of carbon around the injectors might be best to get some 'Deblock Oil' its made by a company called Innotec.
    This is really good at breaking down the carbon; otherwise you may find you cant get the injectors out.
    I've personally heard of a Vx dealership who tried to use an injector removal 'slap hammer' and could not get an injector out. They then attached a hoist to the slap hammer attachment and lifted the front of the car up, still took overnight for the inj to come out. They now use Deblock Oil as a matter of course with great success.
    Some Diesel specialists swear by this.

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    Regular Member lee gsi's Avatar
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    Thanks for the tip.

    I have chipped most of it off (Came off quite easy) and my mates garage have used oven degreaser to remove the coal too on other cars as its quite common.

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