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  #1  
Old 04-06-2006, 03:36 PM
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New Injector Problem

After having all five of my injectors replaced on my 91 300D (about 6 months ago), the number 2 began leaking. My mechanic has just installed a new one and says it is leaking worse than before. The crush washer was installed correctly and the torgue was right on. Any thoughts. Thanks!
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Old 04-06-2006, 03:56 PM
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Explain the 'leak'.........bubbling from the cylinder head boss ? ...fuel running down injector ? ...injector body leak.?......what ?


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Old 04-06-2006, 04:12 PM
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The leak comes from where the injector sits in the engine--like its not torqued enough and has not formed a tight enough seal.
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Old 04-06-2006, 09:15 PM
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Cracked pre chamber maybe? Those engines are very similer to my 603, so the pre chamber is screwed into the head with a sealing ring. The ring may be leaking or the chamber itself may have a crack in it.

Not a big deal they run about $60ish last I checked but you need a special socket to yank them.
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  #5  
Old 04-06-2006, 10:24 PM
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Is it diesel fuel leaking ?....or combustion gases....if combustion, it may seal later with carbon build up.

As Hatter said...you may have a prechamber cracked..or worse...stripped threads in the chamber boss...it happens.....if there is no fuel leak or coolant, I would leave it for now. The two tools required are available from eBay but I would see what happens in a 1000 miles or so.


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