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post #1 of 17 (permalink) Old 12-18-03, 05:29 PM Thread Starter
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Injector removal??

Im looking to remove the injectors out of my 89 EA 3.9L MPI over the weekend and only have a basic idea of how to go about it can anyone give me some advice and tips regarding this.

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post #2 of 17 (permalink) Old 12-19-03, 02:46 AM
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Re: Injector removal??

Disconect the fuel line at the back of the injector rail.
Undo the rail securing bolts, pull out the rail(carefully).
The injectors may come with the rail, or just pull them out.
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post #3 of 17 (permalink) Old 12-19-03, 03:30 PM
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Re: Injector removal??

Undo the 6 10mm bolts holding the rail in and the one holding the reg to the manifold. You will also have to undo the one 8mm holding the dipstick to the rail. Don't bother disconecting the fuel lines, there should be heaps of plaj in the flexible line. Pull the fuel injector clips then pull the rail back and finally take the injectors out. This should take you about 15-20mins tops.

To put them back in put the all injectors into the rail first, clip them in then push the whole lot in as one into the manifold. If you are having difficulty you may need to lubricate the o-rings.
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post #4 of 17 (permalink) Old 12-22-03, 02:04 AM
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Re: Injector removal??

But before you do any of this - unplug the fuel pump relay - safety first.
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post #5 of 17 (permalink) Old 12-22-03, 02:13 AM
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Re: Injector removal??

I just disconected the battery
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post #6 of 17 (permalink) Old 12-23-03, 04:49 AM
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Re: Injector removal??

Make sure you put some KY Jelly around the rubber O rings if you are planing to install the old or new injectors otherwise they will dry up and leak. Don't use oil or petrolium Jelly as it drys up & cracks the rubber O rings over time.
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post #7 of 17 (permalink) Old 12-23-03, 10:59 AM
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Re: Injector removal??

Quote:
Originally Posted by TIKFD6
I just disconected the battery
But then you can't listen to the stereo while you work - where would a bogon working on his car be without the stereo cranked right up? Some things are worth risking your safety for!!!
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post #8 of 17 (permalink) Old 12-23-03, 04:58 PM
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Re: Injector removal??

So its KY Jelly on the ring, ahh ok...

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post #9 of 17 (permalink) Old 12-23-03, 05:29 PM
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Re: Injector removal??

Hahahaha, how about some rubber grease?
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post #10 of 17 (permalink) Old 12-23-03, 07:25 PM
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Re: Injector removal??

Quote:
Originally Posted by 9psi EB
So its KY Jelly on the ring, ahh ok...
Dammit ..... Thats what Im doin wrong

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