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turn signals will not cancel


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Hi all. My 2001 Eldorado has the saginaw tilt column and the turn signals will not cancel. Neither left nor right. they work fine other than that.

I ordered a new multifunction switch but I am beginning to think this is not the problem. I am wondering if the cancelling cam could be broken.

I guess you could say I am intimidated by the column because it looks difficult to disassemble, and also dont want to mess up the clockspring. Just looking for some insight as I really dont want to take it to get it fixed. Worst case scenario I will just have to get used to it but I would rather fix the problem.

Thanks all

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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Actually the tilt steering column seems to be standard on the Eldorado. I'm looking in the 2002 FSM and the only zinger is that you need a special tool to remove the air bag, J 23653-SIR "Steering Column Lock Plate Compressor" that looks a little like a wheel puller. It goes on the steering column and compresses the air bag for you to remove the bearing retainer. When you pull out the air bag, the shaft lock and turn signal cancellation cam comes out next, and the upper bearing spring is under them.

There are a lot of little details, and side-tasks like removing the steering wheel before you start working on the column, and removing the turn signal stalk. I suggest that you access a FSM before you start the job.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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No...that tool does not touch the air bag at all.

The air bag has to be taken off....then the steering wheel. Then you use the lock plate tool so you can remove the snap ring holding the lock plate to the steering column shaft.

The GM Saginaw columns were used for years. Chances are you can rent the tools at AutoZone. You'll need a steering wheel puller and the lock plate tool.

Picture shows a turn signal replacement. Note the SIR 'clockspring' coil has blue tape to keep the orientation correct.

The other hard part is snaking the new switch harness down inside the column. You can see the turn switch with the orange wire attached.

post-2-0-23494200-1393803251_thumb.jpg

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The lock plate compressor can be "borrowed" from any Autozone store. I made mine when I had to tear into a steering column.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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well I wish I knew if the problem was the cancelling cam or not, but how hard is it to get to that?

Thanks for the picture. Out of all of the GMs I have ever bought (at least 12) this is the first one with this problem.

So when I pull the clockspring I have to tape the center section to the outer to keep the orientation? About how long does it typically take to tear down enough to do the cam and TSS? thanks

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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a recommendation for re-installing the new harness, when you are ready to remove the old one, tie a string to it and when you get it pulled out, tie the string to the new one and pull it back in.

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It's a two hour job.

Kinda like learning to walk...the more you do the easier it gets.

The harder part is snaking the harness down the column. The later columns with extra air bag and radio control wiring etc take longer.

Picture from Google shows a Pontiac Fiero column. Pretty much the same minus the air bag wiring and clockspring. The lockplate and cancel cam have been removed in this pic. That may be your only problem...a broken cancel cam.

There are videos on youtube covering the procedure. Seach 'GM turn signal switch'.

post-2-0-28081500-1393861096_thumb.jpg

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thank you very much. is there any way to confirm the cam to be the problem without disassembly?

GM FAN FOREVER

Nice, clean, luxury= fine automobile

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thank you very much. is there any way to confirm the cam to be the problem without disassembly?

Nope - the column needs to be disassembled to visually inspect the canceling cam.

Kevin
'93 Fleetwood Brougham
'05 Deville
'04 Deville
2013 Silverado Z71

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The cancel cam is one of the first things to come out once the airbag lock ring is removed. If it's bad, you get a new one and put everything back together and you have a much simpler job than changing the switch.

CTS-V_LateralGs_6-2018_tiny.jpg
-- Click Here for CaddyInfo page on "How To" Read Your OBD Codes
-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data
-- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC
Yes, I was Jims_97_ETC before I changed cars.

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Jim...there is no air bag lock ring. The air bag comes off...then the steering wheel...then the lock plate. Read the posted info above..

Pic shows the lock plate j-23653 tool. Has nothing to do with the air bag.

Unrelated...as for access to the turn signal switch screws. One is covered up by the switch. On a different web site..they had you take the switch apart to access the screw. You don't have to...just move the turn signal to the right turn signal position for access to the screw. See Fiero switch picture above.

post-2-0-97295000-1393896134_thumb.jpg

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