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Old 04-04-2012, 11:59 PM
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Join Date: Apr 2009
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ok, well I have no leaks, but I do have injector noise that stays with the cylinder. I'm thinking prechamber or maybe one of these seals.

But no leaks means I should leave it alone?

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Old 04-05-2012, 09:25 AM
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Join Date: Aug 2001
Location: USA
Posts: 8,102
No leaks generally means leave the IP alone. The injector noise could be a spray pattern issue... I'd pull the injectors and have them all pop tested. Prechambers almost never fail so it's extremely unlikely that's an issue unless the noise is severe. You can do a visual inspection to verify the spherical pin is still present in the prechamber. Another possibility is an internal IP problem, but changing the DV seals is not likely to cure this. It wouldn't hurt to replace them for grins, but don't be surprised if that doesn't fix the problem.

BTW - it helps if you update your profile with the year & model of your car, so we know what engine you are discussing...

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Old 09-28-2012, 02:22 PM
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Location: Metro Detroit, Michigan
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Last edited by whunter; 02-04-2013 at 06:58 PM.
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Old 10-07-2012, 10:08 PM
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Location: Long Beach,CA
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When I used to rebuild Fuel Injection Pumps the only time a delivery Valve Spring was replaced was if it was broken or had some issue that looked off when you looked at it.

We did inspect the Delivery Valves themselves to see if they were worn. However, in this case you are better off leaving it along; I don't recommend pulling up on the Body of the Delivery Valve as it can pull up the Element Body.

He could use Viton O-rings and He might not have to change them again.
84 300D, 82 Volvo 244Gl Diesel

Last edited by whunter; 10-07-2012 at 10:20 PM. Reason: spelling
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Old 03-27-2015, 12:51 PM
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This great FORUM is hosted by PELICAN PARTS which sells these o-rings and copper seals...why not to buy from them ? Who needs MB dealer ?
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Old 04-04-2016, 06:01 AM
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wow, I think that's very nice. thanks
Indahnya Indonesia dengan wisata alam dan gunung papandayan, gunung guntur.
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Old 12-11-2022, 05:32 PM
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recycled for a new owner.


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