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Old 01-01-18, 03:24 PM   #1
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Default 1.6hdi injector seals

Hi all I posted about this a few months ago but really want to sort it

I have changed the oil seal on 1 injector at least 5 times and it seems to leak more then ever

When I took the injector off I noticed it had 2 copper seals on the bottom I'm not sure if it's a mistake and for a reason

The only thing I can think of is the seat of the head has been cut so many times when I torque down the injector is actually wrecks the seal on fitting?

Does this seem possible at all

Any idea if there's a measurement from where the copper gasket sits and the top of the hole so I can see if this is a reason

With a wrecked seal the injector leaked less before


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Old 01-01-18, 04:49 PM   #2
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Can you clarify what is actually leaking is it leaking combustion gas or JUST oil ?
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Old 01-01-18, 05:33 PM   #3
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Just oil now enough to run down the gearbox leaving small spots on my drive


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Old 01-01-18, 05:36 PM   #4
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This is what the injector looked like when I took it out at first I thought it was a mistake but no thinking otherwise. Is it possible the seats been cut enough to warrant another washer ?


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Old 01-01-18, 05:52 PM   #5
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No its more likely the first seal was left in and the second fitted with the injector put it back with only 1 if injector is not going in far enough the oil seal wont be held by the top clamp
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Old 01-01-18, 06:05 PM   #6
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Any idea what to do then surely if the injector is further in instead of the plastic guide sitting on the oil seal it's wrecking it


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Old 01-01-18, 10:14 PM   #7
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If there are two copper seals the injector will not go in as far as it should. Pull the injector, remove both copper washers and fit a new one. Make sure the hole in the head and seat is clean
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Old 03-01-18, 08:53 PM   #8
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I don't think you understand what I'm saying

I have changed the seal and put only 1 copper seal on trouble is it leaks oil more then ever before lol


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