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Post by AuroraGirlFromMars on Aug 30, 2018 9:37:36 GMT -6
I have code C0660 which says, according to my scan tool, "Level control exhaust valve circuit malfunction"
And from some forums on some cadillacs, it seems to be a compressor failure.
My question is... uh...
Where is it? I have been under the car a lot and I didnt even know I HAD auto level suspension.
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tigger
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Post by tigger on Aug 30, 2018 10:23:57 GMT -6
It's behind the right rear tire. There's a cover over it.
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Post by AuroraGirlFromMars on Aug 30, 2018 10:31:11 GMT -6
AHHHH, thanks tigger. I see where it is. Whats the other module in that diagram?
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tigger
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Post by tigger on Aug 30, 2018 10:45:18 GMT -6
Level sensor.
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Post by AuroraGirlFromMars on Aug 30, 2018 10:46:35 GMT -6
Ohhhhh okay. I know that works because when i wiggle my car the value changes so it must be reading.
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tigger
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Post by tigger on Aug 31, 2018 0:41:18 GMT -6
Yeah, the level sensor is pretty much bulletproof. Most issues with it are wiring or linkage related.
The compressor is a whole different story, haha! A lot of them simply burn themselves out running all the time because of a leaking shock or air line. Others, like yours, have valve issues.
Of course check the fuse, relay, wiring and connector, but you may have to replace it.
Dealer prices for a new one are ridiculous @ 500+. So, if you don't mind using a junkyard part, every Buick Lesabre, Pontiac Bonnevile, and Olds Aurora between 2000 and 2005 uses the exact same compressor and they're pretty cheap. Actually, a lot of '97+ GM compressors will work, just aren't "plug and play". I've been using one from a Cadillac for over 5 years, ...39 bucks!
Good luck, let us know!
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Post by AuroraGirlFromMars on Aug 31, 2018 0:43:18 GMT -6
When I get under the car to properly diagnose it, I will probably buy a new one. Its like 1/5 a paycheck and I get paid weekly so its not too bad on amazon or rock auto.
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RCA1186
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Post by RCA1186 on Aug 31, 2018 6:21:54 GMT -6
They also make coil-overs for the rear that replace the air shocks and circumvent the auto leveling all together if you wanted to go that route. I'd prefer keeping it stock but some people find this easier.
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Paulaurora
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Post by Paulaurora on Aug 31, 2018 6:39:05 GMT -6
My car had that error time to time but compressor still works i would try to erase it and see if it will come back. Maybe there was a leak and it end up saved in history.
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Post by AuroraGirlFromMars on Aug 31, 2018 7:28:00 GMT -6
I have erased it and it comes back first thing before any other codes, actually. This weekend I have a three day weekend so im gonna crack open that stuff and see if my compressor is good, if the lines are good, and if the shocks are good.
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Post by derkach99 on Aug 31, 2018 9:32:21 GMT -6
My compressor has stopped running the refresh cycle for many months now, luckily the car stays level unless i have a full car lol. I am hoping its just a rusted wire. When i spoke about the issue on here when it was new i was told that the compressors rarely die jusr because, they have to burn themselves out which mine didn't otherwise i would have a leak or my car would have a high ass end.
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Post by AuroraGirlFromMars on Aug 31, 2018 9:34:14 GMT -6
Interesting. Yeah Im definitely gonna have to look into that. And I suppose its because electric motors are generally very reliable and long lasting, usually external components go first. For example, on a fan, a capacitor usually goes out, not the motor.
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Post by AuroraGirlFromMars on Sept 3, 2018 19:38:27 GMT -6
Well I did some digging and found that not only were the lines unhooked from the shocks, the shocks are aftermarkets that do not have air ride leveling or whatever. And, the pump was unplugged. It looks as if a shop did the work and disconnected the pump so it wouldnt be ruined, which I hope it is still good. Im gonna get some new shocks that will work. Any suggestions?
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tigger
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Post by tigger on Sept 3, 2018 20:42:05 GMT -6
Monroe MA822. Comparable to OEM, only 60 bucks a pair.
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Post by AuroraGirlFromMars on Sept 3, 2018 20:53:30 GMT -6
Moneow is a respectable brand. Also can you move this to suspension, I just noticied I posted this in mechanical maintenance.
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Post by AuroraGirlFromMars on Sept 3, 2018 21:32:48 GMT -6
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tigger
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Post by tigger on Sept 3, 2018 21:44:19 GMT -6
...Also can you move this to suspension, I just noticied I posted this in mechanical maintenance. Done. Haha, I missed it too.
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Post by AuroraGirlFromMars on Sept 3, 2018 22:11:26 GMT -6
thanks fam
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Paulaurora
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Post by Paulaurora on Sept 4, 2018 7:52:35 GMT -6
I see someone enjoying her Tech2
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Post by derkach99 on Sept 8, 2018 6:44:20 GMT -6
Rock auto has those same struts on for about $55 US. www.rockauto.com/en/catalog/oldsmobile,2002,aurora,3.5l+v6,1382206,suspension,shock+absorber,7556 Also don't forget about the mounts: www.rockauto.com/en/catalog/oldsmobile,2002,aurora,3.5l+v6,1382206,suspension,strut+mount,7600
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Post by AuroraGirlFromMars on Sept 20, 2018 23:29:56 GMT -6
Soooooooo update. I got the monroe shocks in and some MOOG shock mounts in. I got them on the car. But it was a PITA getting the lower bolts off the shock... the clips broke so easily and I had to cut the bolts off and use new fasteners. But I got the shocks hooked up and plugged in my compressor and voila, it works!! So fun fact, an unplugged compressor will throw a C0660 code. But now I can enjoy the random adjustments to keep my cars butt level.
Also the new shocks were better shape than my old monroes that came with the car when I got it, so the ride is also better.
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Post by AuroraGirlFromMars on Sept 20, 2018 23:37:06 GMT -6
Also, paul, the Tech2 is great.. I just wish it could work when it asks you to "turn on the car" but if you turn the car on the scanner restarts because the 12v and the OBD2 port turn off and on when turning the car on.
Also, when trying to adjust my magna steer to be less firm, the screen says processor error and I have to restart the scanner. Everything else seems to work fine.
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Paulaurora
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Post by Paulaurora on Sept 21, 2018 6:45:12 GMT -6
yes i have same thing i guess because its not Real scanner and china knock off it doesnt work .. Or maybe there is something else need to be done before steering thing will work on scanner.
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Post by AuroraGirlFromMars on Sept 21, 2018 10:21:44 GMT -6
Hmm... another update on my level control.. I just scanned the rear integration module again and I got the same code.. but its strange because I can hear and tell the compressor is working. Strange.
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Post by AmunRoo on Sept 22, 2018 3:25:00 GMT -6
Hey aurora Girl, what tech 2 did you get? Will it program key fobs?
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Post by AuroraGirlFromMars on Sept 22, 2018 10:18:15 GMT -6
There is a forum on it, where paul chimed in the one he bought. I bought the same one and have been in love with it. aurorah.proboards.com/thread/31314/scan-tool?page=1&scrollTo=336511 is where it was referenced. The only two issues I have with the machine are the issue I described above with the Magnasteer not working and the OBD2 plug is a little lose into the connector. Other than that, it can do anything a tech 2 can, which means it can program your keyfobs. Sure its obsolete technology from a scan tool point, but getting it guarantees you can do anything on a 1992-2013 GM vehicle, versus an expensive scan tool that MIGHT cover it kind of thing. I also bought an Autel MK808 which doesnt do as much, but has modern conveniences, works on other makes, and can also program key fobs on our cars
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Post by punisher on Aug 12, 2019 7:41:24 GMT -6
I replaced the shocks in march . with the Gabriels autozone carried. I had 5 40 lb. Bags in the trunk n now its soo stiff cant bare to drive it . almost dangerous. Taking bumps way to hard. Anything i can do to adjust them or get the rear to level back out . thanks
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Post by AuroraGirlFromMars on Aug 12, 2019 8:52:47 GMT -6
If it isnt automatically adjusting, it means that your compressor isnt filling the shocks. Whether it be air line leaking, pump not working, level sensor broken, bad connectors, bad fuses etc. They do make a kit to convert them to traditional air shocks(to manually air up and down)
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Post by punisher on Aug 12, 2019 9:10:23 GMT -6
Thank u . i usually hear the pump run after start up . but im not since i had the weight in trunk and the stiffness started. Im checking the fuse now.
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tigger
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Post by tigger on Aug 12, 2019 10:00:10 GMT -6
Sounds like the exhaust valve in your compressor assembly is stuck closed. You can relieve the pressure by jacking up the car and disconnecting/reconnecting the air lines at the shocks, but it's just going to do it again. May be new compressor time.
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