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How do you change fuel injectors on a 89 olds cutlas ciera?

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2011-07-25 04:31:10
2011-07-25 04:31:10

If your mechanicaly inclined.step1. pull fuel pump fuse. 2. press schrader valve in fuel rail to releive pressure.3 unscrew hardline goin into intake.4. take off big air tube coming from air filter. 5. top rear of intake manifold remove stupid hose bracket (2 nuts and a bolt). 6. unbolt top manifold of engine. Carefully grab and wiggle or pry it up. I managed to get mine up about six inches without having to take off any cables or lines going to throttle.I just propped it up.(be careful with gaskets). 7. you now see fuel rail. unscrew two hard lines going in rail on right side and bend a bit out of way.pull air line going to fuel pressure regulator(small two inch flat square with nipple bolted between fuel rail) if it didnt come off allready when pulling intake manifold. 8. unplug injectors wires(tip... lable with masking tape so you remember where they go eg...,front right, back center ect...These have spring clips.squeze and pull. 9.unscrew four bolts holding fuel rail. At this point only o-rings on the injectors are holding the rail in. Grab rail and gently wiggle back and forth as you pull up. you may need to pry but they will all pop out with the rail just be patient or you will damage the clips holding them in. 10. small screwdriver push off six metal clips holding injectors in rail and pull out injectors which are also held with o-ring. 11.put it back together.(Tips... lube the injector holes in engine and o-rings on injectors with vaseline, the rear left injectors plug is facing a different direction than the rest make note of that.)

If you are not mechanically inclined you wont understand any of what i just said and you should take it to a mechanic lol.

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