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Old 07-22-2013   #9
1991ZR1
 
Join Date: Sep 2005
Posts: 90
Default Re: Fuel Injector with Blue Cap On End

Have you removed the fuel rail yet? Mine was pretty difficult to remove. When I removed the fuel injectors from the rails, I found that even the individual injectors were difficult to remove. I guess they got real comfortable in there over 22 years. I pulled, twisted and rocked them back and forth. When they came out, the o-rings were still in the fuel rail. It's no wonder the fuel rail with 8 injectors is hard to remove. When I went to the other fuel rail, I put some oil in the space between the hole in the rail and the injectors. After rocking them back and forth and letting them sit for a short time, they were still a little hard to pull out but the o-rings came out with the injectors. Has anyone tried spraying some WD 40 in the injector housings before removing the fuel rails?

This makes me wonder if the blue caps would come off if the o-rings are sticking to the walls of the injector housing when you pull off the fuel rail. Since those are the secondaries, the secondary throttle will stop it from going into the engine. Might be difficult to fish it out though.

Quote:
Originally Posted by RICHARD TILL View Post
This is interesting as i ordered fic injectors last Wednesday. Thought that they would get here Saturday but that was too much to ask from USPS. Plenum is off and everything clean and ready. He said they would be rebuilt Bosch. Now wondering if i`ll get the blue caps too.
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