Thread: siemens 60 psi injectors
03-22-2012, 06:10 PM #1
siemens 60 psi injectors
Upon installing some Siemens 60 psi injectors they would leak in my fuel rail.
I noticed the o rings on the top were a hair smaller in dia then the OEM and my bosche injectors. I put the OEM o rings on the Siemens and all was good.
I also noticed the orings on the Siemens had a small dimple on them in one spot.
Not exactly sure what the dimple is for.
Just wondering if anyone else has ran accross this issue?
03-22-2012, 06:25 PM #2
Be interesting to hear and iv just ordered Siemens 60lb injectors.
03-22-2012, 06:34 PM #3
I bought my injectors used so not sure when they were purchased.
It was an easy fix just wondering if anyone else has noticed the difference in o ring size.
It was not much but just enough to leak.
I am running an aftermarket rail so it is possible that on OEM rail the smaller o rings dont leak.
03-22-2012, 06:40 PM #4
How tight were your bosch injectors in your rail? mine in OEM rail are REAL tight.
03-22-2012, 06:45 PM #5
I like to put just a bit of dielectric grease on o ring to help install.
I was surprised that they leaked but once i removed them I could see the o rings were not as thick which made the install dia. a bit smaller.
03-22-2012, 06:49 PM #6
03-22-2012, 06:53 PM #7
03-22-2012, 06:58 PM #8
I will take pic of the oring with the dimple.
It is possible they were changed.
I bought them off person that ran them on 2010 PX boat last year so I assume they were fairly new.
03-22-2012, 09:41 PM #9
I tried to take pics but hard to see difference.
The siemens oring has the notch in it.
The other is a oem oring.
The siemens is a bit taller but about .5 mm less in dia on calipers then the oem oring.
03-22-2012, 09:46 PM #10
That dimple you see is from the clip mechanism or the inside of the stock rail assembly. I have seen it on my own ski taking Older injectors out.
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