Changing out an Opti
Changing out an Opti(scratch, fuel pump) now another problem Well it's that dreaded time in my cars life to change out the stock opti. It's a 97 so of course its the vented crap. I'm going to get the Advance auto parts replacement just becaue of the life time warranty and the stories I've heard from GM's direct replacement. Are there any links on a step by step for changing this out? Any opinions, tips, ect. College kid going to be doing this most likely with a friend so any input will be helpful and greatly appreciated!
Thanks in advance guys.
Thanks in advance guys.
Last edited by DirtyBird222; Nov 5, 2006 at 11:10 AM.
My best advice is make sure the car runs and runs good before you put the water pump back on and re fill it with coolent, also i recomend getting a new vacuum harness for the opti to ensure a long life out of the new one. And take the throttle body screw out and go to the hardware store and get nuts that go on the screw. Dubble nut the screw and then you can use a regular socket to pull off the opti cap if need be. I personaly am terrible at lining the opti up right without the cap off. any question just ask
Are there any things I should look for to make sure the its the opti that is not letting my car start? My car has been misfiring lately and sputtering, could it be the fuel filter or something else besides the opti? because when I am trying to start it I don't really smell any gas or anything.
http://shbox.com/1/4th_gen_tech2.html#opti_test
might help u out, i would get a spark tester from autozone and make sure that it isnt getting spark b4 you tear into a nice little mess
might help u out, i would get a spark tester from autozone and make sure that it isnt getting spark b4 you tear into a nice little mess
thanks for the link, i'll try some of that stuff out. electronics are not my field tho lol, I'll still give it a shot. I've got my fingers crossed and praying that I can win the lottery tommorow lol
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Verdad Gallardo car won't start, car starts to misfire, sputter on starting. It could either be the opti or fuel system for either of those, but most likely the opti. Those are all tell tale signs. Plus opti starts to go out around 100k miles and mine has 104
Originally Posted by DirtyBird222
car won't start, car starts to misfire, sputter on starting. It could either be the opti or fuel system for either of those, but most likely the opti. Those are all tell tale signs. Plus opti starts to go out around 100k miles and mine has 104
Originally Posted by Jditlfm
I personaly am terrible at lining the opti up right without the cap off. any question just ask
well i haven't done any work on it yet as I am trying to pinpoint the exact problem, but someone told me to check and see if the car is getting any fuel or pressure, and I'm not hearing the fuel pump turn on when I turn the key to the "on" posistion i can't hear it hum or anything. anyone got any tricks to figure out if this is the problem?
Originally Posted by ZFan88
How do you change the coil wire? Isn't the water pump in the way? I'm askin, haven't done it yet
Originally Posted by DirtyBird222
well i haven't done any work on it yet as I am trying to pinpoint the exact problem, but someone told me to check and see if the car is getting any fuel or pressure, and I'm not hearing the fuel pump turn on when I turn the key to the "on" posistion i can't hear it hum or anything. anyone got any tricks to figure out if this is the problem?
Obviously the quickest and easiest is to hear the fuel pump prime before you start the car.
TECH Apprentice
Joined: Aug 2004
Posts: 333
Likes: 0
From: Gulfport, MS
back of the fuel rails, to the left of the FPR (fuel pressure regulator) little help for your lt1 vocab. lol
It should have a black plastic screw on cap over it. You'll need to remove the needle inside of it then put the test gauge on it. Imagine your tire air fill valve, thats similar to this.
It should have a black plastic screw on cap over it. You'll need to remove the needle inside of it then put the test gauge on it. Imagine your tire air fill valve, thats similar to this.
got a picture where you could highlight this for me lol? just trying to figure out exactly what to do when I work on it tommorow (well today now). could i get a manual gauge from advance auto parts or any of those places?
TECH Apprentice
Joined: Aug 2004
Posts: 333
Likes: 0
From: Gulfport, MS
Originally Posted by DirtyBird222
got a picture where you could highlight this for me lol? just trying to figure out exactly what to do when I work on it tommorow (well today now). could i get a manual gauge from advance auto parts or any of those places?
http://shbox.com/1/fp_reg.jpg
and you can pick the gauge up at any local auto parts store.