Posted by Owen Aaland on November 09, 2009 at 16:43:58 from (65.165.246.148):
In Reply to: 1086 injectors posted by jim dehoff on November 09, 2009 at 04:27:28:
The simple answer is with an injector puller designed for that engine. I would not expect you to by a puller for just your own use. The main advantage of the puller is that it will pull out the stuck injectors, usually along with the sleeve.
The first thing to do is drain the cooling system, at least to a level below the cylinder head. If you have an injector seized to the sleeve there is good possibility that the sleeve will come out with the injector. If you do not drain the coolant before you start you run the risk of getting antifreeze in the cylinders.
If the upper seals are doing their job the injectors will come out quite easily. If moisture has gotten below the sleeve there is a good chance that the injector will be corroded to the sleeve. After removing the retaining bolt try twisting the injector to break it free. If you can get them to turn they will usually come out fairly easily. If they are really stuck you can use the hold down bar on the injector and use a pry bar on each side to pry it up. If an injector sleeve moves it needs to be replaced. If you just reseat a sleeve you run the risk of it leaking after you install the injector.
I like to coat the outside of the injector with grease when I install them. That usually insures that they will come out easily the next time they need service.
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