Do you know if the pre chamber can have part of it come loose inside and have a rattle at idle ? I have a combustion leak on #4 of my 91 350 SDL, I have had the injectors rebuilt and balanced to within one bar and on #4 you can feel and hear a noise in the IP line and there is a combustion leak as well. I removed the injector, cleaned out the hole and threads, stayed with the fire ring that I replaced 6000 miles ago and torqued it high to 70 lb. ft. and it still puffs out air at idle and the plastic piece is melting around the edges ????
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Originally Posted by P.E.Haiges
Hatterasguy,
A 27mm or 1 1/16 deep socket will work to remove the injectors. Either should be available from Sears. This socket also works on the crankshaft nut to turn the engine by hand.
BTW, the injectors on my 300SD have 250,000+ miles on them and I'm not about to repace them as long as the engine runs well with no knocks other than the norman idle rattle. GP also will be replaced as required, I.E. when they are dead.
P E H
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