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Old 05-06-2010, 02:11 PM
latief's Avatar
1993 300E 2.8- M104
Join Date: Aug 2009
Location: Gainesville, FL
Posts: 518
Do I need to Change the injector for this?

I am tracing down a vacuum leak. My injector seals are the only things i did not change after the head gasket....

I am changing the seals now, but one of my injectors has a partially broken pintle cap...i can't find these, and i am not sure if they have any affect on the performance? the seals are very dry and I am sure they were the source of the leak.....

It does not seem to me to be essential for sealing as the rubber seal is what seals the pressure....

what do you guys think?

1993 300E, 2.8 M104 .....
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Old 05-06-2010, 03:27 PM
dpetryk's Avatar
Electrons can do anything
Join Date: Sep 2001
Location: Houston, Texas
Posts: 1,071
If there is no vacuum leak I would think you are OK to use it as is.
I got too many cars!! Insurance eats me alive. Dave

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Old 05-11-2010, 10:31 PM
latief's Avatar
1993 300E 2.8- M104
Join Date: Aug 2009
Location: Gainesville, FL
Posts: 518
Courtesy of MR Injector

Bill was very helpful.... a couple of dollars for these, got new caps and spacers within two days....the fit is perfect !!!!! they came with directions and there are some videos on his website...great stuff !!!

Might be helpful for some of you...the old caps were so brittle, they broke upon touching them.....much better now...
1993 300E, 2.8 M104 .....
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