LIM Part I
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From: West Michigan

Wow, what a long day! Started at 9 this morning stopped for a half hour for lunch, stopped at 5:30 and then finished up another half hour later on. Things were looking bad when not far in I broke one of the clips that holds the MAP sensor. Later I noticed a vacuum elbow torn with the tube out of it. The throttle body was just totally black inside (I've had a sticking throttle for over a year), so that got a good cleaning. Other than that things weren't too bad until I had the UIM off and decided to go for the rear valve cover and plugs/wires. First to remove the tensioner, doh, broke the tube off. Good thing I got the new ones. Got the rear valve cover done. Then, man was I cursing at those rear wires. That #6 is a beast. After at least 15 minutes tugging with it, thinking it wasn't coming off it finally popped loose. Later I was cursing at the #6 plug as it wasn't budging. I was so close to saying screw it, finishing the job and taking it somewhere to have someone do that one plug. I finally moved the tensioner assembly around and on the intake for more room and managed to finally get it out. I think that hour was really what did me in. Then I put in the new rear plugs, removed the LIM and cleaned up everything. Finally I got it put back on after supper. The gaskets were pretty typical. Not terrible, but the inside part of a few of the openings were cracked. I had some brown goop formed in a couple of the passages in the heads, but nothing bad.
Next up: put the UIM back on, do the front valve cover and plugs/wires, and put the rest back together, hoping I get it all on right.
Next up: put the UIM back on, do the front valve cover and plugs/wires, and put the rest back together, hoping I get it all on right.
With some air tools for cleaning gasket surfaces, I've gotten my time down from 8-10 hours the first time out to 2 hours flat.
C'mon, there'* gotta be some locals you can help out.
C'mon, there'* gotta be some locals you can help out.
Thread Starter
Senior Member
Posts like a Camaro
Joined: Aug 2006
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From: West Michigan

Part II:
It is finished!! It only took another five hours :P
Mainly I just took my time finishing up. I was planning to write down step by step everything I did to make sure I put it together right, but with everything taking so long I gave that up. So I just went slow to make sure I covered everything and did things in the right order so I didn't make a mistake. It all went smooth. My only concern was the bolts on the UIM. Would you believe it, the 5/16" 1/2 inch socket that fit my torque wrench was too big! It was larger than the one for my 3/8" ratchet. So I couldn't make sure I torqued them right. I'll have to borrow one and check it soon. I used some electrical tape on that torn vacuum elbow for now.
So moment of truth, I was nervous expecting a "service engine" light. It didn't want to fire at first, and once it did it was chugging. Uh oh! Then I saw smoke from the rear of the engine and it stunk. It was still running a bit rough, so I thought something was wrong. I checked the rear plug wires and just about burned my fingers. I got back in the car, and sure enough, the light was on. I just tried revving it up a bit, and it went out. Then the engine got a bit smoother and it appeared to stop smoking, so I was hoping it was just oil or something on the manifold. Grabbed my phone just in case, and went for a spin. It drove great. Everything appears good! My wife was so excited when I told her the gas pedal wasn't sticking any more.
Wow is that bad!


It is finished!! It only took another five hours :P
Mainly I just took my time finishing up. I was planning to write down step by step everything I did to make sure I put it together right, but with everything taking so long I gave that up. So I just went slow to make sure I covered everything and did things in the right order so I didn't make a mistake. It all went smooth. My only concern was the bolts on the UIM. Would you believe it, the 5/16" 1/2 inch socket that fit my torque wrench was too big! It was larger than the one for my 3/8" ratchet. So I couldn't make sure I torqued them right. I'll have to borrow one and check it soon. I used some electrical tape on that torn vacuum elbow for now.
So moment of truth, I was nervous expecting a "service engine" light. It didn't want to fire at first, and once it did it was chugging. Uh oh! Then I saw smoke from the rear of the engine and it stunk. It was still running a bit rough, so I thought something was wrong. I checked the rear plug wires and just about burned my fingers. I got back in the car, and sure enough, the light was on. I just tried revving it up a bit, and it went out. Then the engine got a bit smoother and it appeared to stop smoking, so I was hoping it was just oil or something on the manifold. Grabbed my phone just in case, and went for a spin. It drove great. Everything appears good! My wife was so excited when I told her the gas pedal wasn't sticking any more.
Wow is that bad!


Last edited by Grimm; Sep 18, 2009 at 03:18 PM.
Joined: May 2006
Posts: 29,661
Likes: 43
From: Sheboygan Wisconsin






good to hear its running. I've seen worse then that, trust me. It'* a good feeling knowing you did it yourself. Chances are it was chugging at first because the fuel lines needed to fill up. I always turn to run and wait a few seconds before starting it. Did you use the LIM write up from here?
Thread Starter
Senior Member
Posts like a Camaro
Joined: Aug 2006
Posts: 1,152
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From: West Michigan

Yeah. I also had the one from the other site as it was a little more in detail in a couple areas. I don't remember what though.
As far as the fuel lines, is it normal to smell fuel? I remember before I got into fixing it I could smell a little gas. I had to be close to the fuel lines though. I couldn't smell it just standing by the engine. The o-rings looked fine, and I didn't notice any gas by anything. I didn't think to check after I took it for a drive to see if I could still smell it.
As far as the fuel lines, is it normal to smell fuel? I remember before I got into fixing it I could smell a little gas. I had to be close to the fuel lines though. I couldn't smell it just standing by the engine. The o-rings looked fine, and I didn't notice any gas by anything. I didn't think to check after I took it for a drive to see if I could still smell it.
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