Fixed one thing, another goes wrong - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-24-2005, 03:50 AM   #1
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Default Fixed one thing, another goes wrong

Well, thanks to Opensourceguy, I built up enough courage to fix the IAC in my car by myself. The project itself went along pretty easy... I only spent $5 to get WD-40, heh. Removed the accordian hose, got to the IAC, unscrewed the two screws, and used both Goo Gone and WD-40 to clean it the best I could. Used some Wd-40 to lubricate it and placed it back in. Hooked everything back up.

Took it for a test drive per OSG'* suggestion, and the second time I red lined the RPM'* the SES light came on... OSG taught me how I can get the codes from my engine, and I came up with Error Code 41... I now have a problem with my CAM sensor. I wanted to check to see if perhaps it was a fluke... I mean come on why would that all of a sudden come on if I wasn't even working on that side of the engine? Of all days, heh... Unplugged the battery for a half hour, rechecked the codes and nothing came up. Turned on the engine and instantly the SES light came on again, same code.

*Sighs*
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Old 05-24-2005, 04:08 AM   #2
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I suppose it could be the sensor itself, but it could also be that the magnet has come off of the cam gear. I suspect that it'* the magnet due to the fact that it happened near redline, when magnet-removing centrifugal force would be the strongest.

That is a bummer. Nothing that can't be fixed though.
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Old 05-24-2005, 05:11 AM   #3
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Yeah, but after talking to OSG, not without a mechanic or a lot of skilll. *Sighs*
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Old 05-24-2005, 11:33 AM   #4
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Default red lining

Red lining is never good for a car. Thats why there is a red line. At that point your pushing the components to the breaking point.
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Old 05-24-2005, 12:42 PM   #5
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Is an easy fix. See http://6007.us/cammag.htm .
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Old 05-24-2005, 01:39 PM   #6
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SSEBONNIE: Nothing wrong with Redlining a car. There is something wrong with living in the redline. I don't know how old you are, but with older cars, there was something called the, "Itallian Tune-Up." If you live below 3k, your engine will be happy, but happier if you let it shift at redline every once in a while. Remember, there is nothing wrong with Redlining a car, just beating the car up.. and living there.

No offense to Punkrulz, but I recommended he didn't tackle this job himself because I am pretty sure it requires a lot of tools / exact measurements, am I not correct? I've never replaced/been in that area before, so I [as always] could b wrong.


-justin
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Old 05-24-2005, 01:54 PM   #7
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An italian tune-up is a weekly occurance for me. And i do that to my stock motor woth 200k+ miles on it. Nothin ever happens.
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Old 05-24-2005, 01:57 PM   #8
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Quote:
Originally Posted by alec_b
An italian tune-up is a weekly occurance for me. And i do that to my stock motor woth 200k+ miles on it. Nothin ever happens.
x2
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Old 05-24-2005, 03:50 PM   #9
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I do it everytime it is necessary. When I first started driving I always had a heavy foot. Although now I am going to start paying for my gas, and I know my actual condition of my transmission, so I am not going to be doing that anymore.

If cars were not made to go to their redline, their 'redline' would be lowered. And redline is just the maximum point the crankshaft is balanced for, which is usually the limit of the valvetrain. It could also be determined from when the engine stops making power [this is how it is usually done on race cars/ cars made to make power. Seldom on production cars].


-justin
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Old 05-24-2005, 04:04 PM   #10
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Quote:
Originally Posted by padgett
Is an easy fix. See http://6007.us/cammag.htm .
Do check this out if you haven't already. It'* not exactly the ideal way to do it, but it is "doable" without specialty tools. And who knows? Maybe when you get a look at it, the magnet will be fine and the sensor will have just picked an odd time to die.
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