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Been there, done that.

First, a little preface. I had two leaking injectors in my '96. My mechanic and I pulled the injectors out to examine them. We found no cracks or any other signs of damage, so we replaced the O rings and put everything back together. While this helped, I still had two injectors leaking. We ended up replacing those two leaky injectors. Everything is fine and my mileage increased by about 3 MPG!

The point is, that you might have leaky injectors, not just leaky O rings. Considering that new injectors are fairly inexpensive, (I paid $76 each at Auto Zone) you might want to just replace them right off the bat.

But on to your question. Getting the O rings on/off the injectors is the easy part. It's a no brainer. But first, you have to get the injectors out of the holes in which they live. (I strongly suggest picking up a Haynes or Chilton manual. Their instructions and illustrations are pretty good and will give you a good overview of the job.) The job is fairly direct. You'll probably need to remove the large air intake tube to gain access. After that, you have to remove the black cover from the accelerator housing. This is the black boxy thing on the left (when viewing from the front of the car) and to the rear of the valve cover. You'll know it by the accelerator cable and maybe the cruise control cable which go into it. Take loose the cables and remove the housing that holds them. You'll see that this needs to be done to get at the left side of the plate which runs across the engine in front of the injectors. It is what holds the injectors in place. The other side is pretty accessible. If I recall correctly there are a couple of Torx screws that hold the plate in place. Once it's off, you can pull the injectors out and replace the O rings or the injectors themselves. When we did mine, my mechanic put some vaseline lookin' stuff on the outside body of the injectors. I guess this helps to slip the new injectors in, and probably helps to keep the O rings pliable. I'm guessing that this was not really vaseline, but an automotive specialty lube. Reassembly is basically the reverse of the above. Hopefully, your problem will be solved..

Take note that I've probably omitted some steps. My memory is good, but it's short ;)

Also note, that this is based on my experience with the small OHV engine. Your car may require drastically different procedures.

Again, please pick up a Haynes or Chilton manual!

FriPilot

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17y ago

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