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Thread: noisy and leaking injector?

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    Default noisy and leaking injector?

    Hi all, my car was ticking over outside earlier and i noticed it sounded a bit tappity. Popped the bonnet and number 3 injector seems to be blowing out oil. Also is very noisy sounds more like a tdci modeo really ticky. Im thinking injector faulty but just wondered if any one else has experienced this?

    Its a z19dth

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    If any one could help would be much appreciated or if any one has any injectors for sale

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    Regular Member lee gsi's Avatar
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    The noise is probably the gas passing the injector seal.

    There is a guide on here showing how to replace the copper sealing washer.

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    Just done number 4 injector mate but did have to disturb number 3 to get it out to be fair. Why would it be blowing oil all around it? Or is it not oil?

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    Regular Member lee gsi's Avatar
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    Its diesel sorry not oil.

    As the cylinder is being compressed ready to ignite the fuel/air mixture its finding the least resistance and blowing some out before the rest ignites.

    Its quite common on higher mileage diesel engines and if left the injector is a nightmare to get out.

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    That's great mate I' ll pull it out today then. Number 4 was leaking the other week but could see it was diesel.

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    What's the best stuff to breakdown the carbon build up around the injector?

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    Regular Member lee gsi's Avatar
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    We use Mister Muscle oven cleaner

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    Regular Member collyb's Avatar
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    i had this problem on my sri 150 ,,the 3rd injector had aload of oily /tar around its base,,,so i pulled the four injectors and replaced the 4 copper sealing washers on there bases,,,,injector 3 took me 2 hours to get out tho..alot of wiggling and oulling,,just take ur time mate,,and my best tip would be,,if an injector is stuck in hard,,,take a break and a cup of coffee if its getting to u too much..and u cant get it out,,,,trust me ,,it helps to walk away from something for a bit when things arent going ur way,,,also make sure u tighten the securing bracket for each injector down properly,,,, i made the mistake of not tightening them enuf ,,and when i had all back togehter and started the car,,she started chuffing like a steam train,,lol.... just take ur time,,,check and double check everything and u will be grand,,just make sure u change the washers NOW rather than later,,as that tar/oil/diesel substance will keep building up and make ur injector even harder to remove

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    Regular Member Si-SRI's Avatar
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    Sorry to jump in on the thread...how much did you pay for the 4 copper seals,got 2 on mine weeping slightly so time todo them all.

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