Water in cylinders - UPDATE - its back on the road - Page 6 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 11-21-2007, 10:49 PM   #51
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Quote:
whats better about the 97 - 03 LIM ?
the stove pipe is smaller so it wont heat up the plastic upper as much
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Old 11-21-2007, 11:02 PM   #52
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Quote:
Originally Posted by firebuick
Quote:
whats better about the 97 - 03 LIM ?
the stove pipe is smaller so it wont heat up the plastic upper as much
Thats what I thought. Obviously, the one from Ed'* wont have the pitting Well, I guess this project is on hold till I get the LIM from Ed'*. Thanks for all the advice. Should I be concerned with the used part being warped or any other issues ? When I get it should I simply inspect, clean it up, and install right?
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Old 11-21-2007, 11:56 PM   #53
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At the least, I would check it with a straightedge.
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Old 12-01-2007, 08:28 PM   #54
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First off - Thanks to everyone who threw in their wisdom. I have learned a lot in the last 2 weeks. My son and I just got Bufford back together. I think the repair was very successful. We have no leaks. Everything is good. I used Bill buttermore'* Coolant refill procedure, it worked great.

Observation - we have a little smoke coming from the front exhaust / crossover joint that sits just under the TB. I believe that to be coolant that is inside the exhaust pipe - left over from the hydrolock. Does this sound reasonable to you guys ? It'* almost burned out/off.

Problem - We have a fast idle problem. Car will not idle under 2000 rpm. I did clean the TB per the instructions on this site. I will admit I removed the TPS thinking it was the IAC to try to remove the grime down in that little pocket. It there a chance I didn't get it put back in there right ?

Any suggestions would be great. Thanks again everyone. I might need a tube of Ben-Gay for my back
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Old 12-01-2007, 10:18 PM   #55
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I'll buy the coolant problem.

On the fast idle, pull the oil fill cap at idle and see if it'* sucking the world'* air supply. If so, put the 2nd o-ring back on the PCV valve. It should have 2.
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Old 12-01-2007, 10:53 PM   #56
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Will,

Well I figured out part of the problem. I actually left the PCV in the old UIM I cleaned that up and put it in, and now it'* idling @ 1400 - 1500. You mentioned a second O ring. I'm pretty sur eI got everything back in there now, but I'll go pull the oil cap and check into that....Thanks !!!

One thing I forgot to mention...SES light. that'* probably where I should start huh. I'll run to Autozone tomorrow and let them tell me what it is. thanks again. I pulled the oil cap...no air getting sucked.
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Old 12-02-2007, 03:18 PM   #57
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Ran to AZ this morning. they scanned - 3 different codes. One for TPS, and the other 2 were related to high idle. He told me that this was probably due to the bad TPS. bought TPS came home shut car off, removed + battery cable, removed and replaced TPS let car set for 15 minutes, reinstalled battery cable and started. Car idel low, but seemed to be missing running rough. I let it run for 30 seconds or so and gave a little twist on the accelerator. Engine smoothed out and idle was up to 1500 - 1600. Let it run (idle) for 10 + minutes, all it did was stay steady at that mark. told my son to run it down the highway 5miles and back at least 65 miles per hour. came back it'* now idling the same 1600 +. SES light still on too. One other thing worth mentioning, there was a little nut screw thing that seemed like it was the throttle stop. I loosend the locking nut, and tried moving the little screw out maybe a couple turns, but it had no effect on the idle speed and so I put it back were it was.

I'm stumped, other than going back to AZ, but I'm a little pissed that the TPS didn't fix the problem. Ideas ?
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Old 12-02-2007, 03:24 PM   #58
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What were all of the Codes? Do you know the numbers?

If the TPS didn't solve the issue I'd be tempted to tell you to try another IAC...

Sometimes its hard to deal with these cars when you have an Idle issue as such with codes to go with it that don't always point you in the right direction..

It would be good to see what the PCM is trying to do with the IAC and what the actual step position of the IAC is as compared to what the PCM wants it to be..

Almost sounds like the IAC is dead in the open position


You didn't clean it with Carb cleaner or anything did you?

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Old 12-02-2007, 03:31 PM   #59
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JR,

Thanks for the quick reply. Ummmm yes sir I did clean the iac with cleaner. I thought it was ok to leave in there while cleaning the TB. looking at the procedure I don't recall anything about taking it out. should I have? So you thik this is it? IAC sensor? I don't recall the codes. He went through them so fast, I asked him about the codes and he wasn't real customer focused like he should have been.
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Old 12-02-2007, 03:35 PM   #60
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Its possible to have an IAC fail at your mileage.. But hard to say that is the actual issue..

There is no adjustment on the TPS for the L36..

Only thing I can think of at this point is either a Bad or sticking IAC.. The good thing is that its on the front of the TB and can be removed...

What kind of cleaner did you use?

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