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Discussion Starter #1
My '03 sport has been great but with only 90,000km, I'm starting to get nickle-and-dimed.
Recently I had the engine light come on which the dealer has diagnosed as a faulty thermostat. This seems to be a fairly common 03 CTS issue and requires a fairly hefty charge primarily for the labor. (Obviously, something that must be fixed to avoid major potential damage.)
The drivers heated seat has failed, I'm assuming an "element" failure as it doesn't seem to be any of the fuses.
The radio reception has gone bad. As it is on both AM and FM, I assume it's not an antenae issue? Furthermore, the CD player has now jammed giving me a "mechanical" failure prompt. As a result I'm guessing that I need the entire unit replaced by the dealer?
Also a Service Stabilitrack prompt comes up randomly?

Aside from losing a tie rod last year shortly after exiting the highway, it's been a pretty good car. Currently just wondering if anyone has any words of wisdom (other than vaseline related comments) prior to handing it over to the dealer? (ie Is it an option to go with a newer radio/CD stack which has an IPod connection? Is there something else they should replace when doing the thermostat? etc...)
Thx in advance...
 

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03 CTS 3.2L (Sold) / 09 CBR 600rr /2014 GMC Sierra
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Service stability system is steering position sensor.
GM wants 190 for the sensor..I heard u can find them
Online for under 100..got mine and its ready to go in
Cd player...find a used 1 or search for the self
Repair disassembly..its on here somewhere.
Thermostat should be 5hrs labor..$27 part
And the heated seat...well I haven't tried to fix mine yet.
Its my summer car so it doesn't really bother me.
 

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03 CTS 3.2L (Sold) / 09 CBR 600rr /2014 GMC Sierra
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03 Caddy CTS
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I have the P0128 (thermostat) check engine light coming on during the winter driving for over 2 years now and i just had a jammed CD in the unit happen last week. There is a tread on how to take apart your CD changer to clear jammed CD and the thermostat problem could just be a sensor issue. The point im trying to make is that there is no real need to panic as you can try solving these problems yourself with help of this forum and its members. Good luck!
 

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03 CTS 3.2L (Sold) / 09 CBR 600rr /2014 GMC Sierra
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I have the P0128 (thermostat) check engine light coming on during the winter driving for over 2 years now and i just had a jammed CD in the unit happen last week. There is a tread on how to take apart your CD changer to clear jammed CD and the thermostat problem could just be a sensor issue. The point im trying to make is that there is no real need to panic as you can try solving these problems yourself with help of this forum and its members. Good luck!
You sure that what the guy rear-ended you it didn't cause this light.....
Hmmmmmm


Thermostat fixed mine perfect...no other temp sensors changed btw
 

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03 CTS 3.2L (Sold) / 09 CBR 600rr /2014 GMC Sierra
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Thanks for the feedback guys.
Mike, that link seems to take me to the main page. Was there a specific thread that you were trying to direct me to? If not, I'll do a search. Thx again.
sure was..sorry i dont have internet at work so i just use my blackberry and sometimes it doesnt open pages and copy links properly

here is the cd jammed repair

http://www.cadillacforums.com/forums/cadillac-cts-forum-2003-through-2007/140362-cds-jammed-player-dismantle-guide.html
 

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Discussion Starter #9

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CTS 03
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I replaced the t-stat myself and I have only average DIY skills. It takes time and it's a lot of work, but not imposible to do yourself.
 

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Cadillac CTS 2003
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If you are replacing the Tstat then perhaps replacing the infamous valve cover gaskets as well. The spark plugs too.
 

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Discussion Starter #12
If you are replacing the Tstat then perhaps replacing the infamous valve cover gaskets as well. The spark plugs too.
How neccessary would you say this is as it only has 90000km (about 55000miles)? Also, any thoughts on how much the plugs might cost?
thx
 

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03 CTS 3.2L (Sold) / 09 CBR 600rr /2014 GMC Sierra
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How neccessary would you say this is as it only has 90000km (about 55000miles)? Also, any thoughts on how much the plugs might cost?
thx
are you in canada? gta?
 

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How neccessary would you say this is as it only has 90000km (about 55000miles)? Also, any thoughts on how much the plugs might cost?
thx
Plugs were about $7 each, I would tighten the valve cover screws, that helped my leak problem. All the screws were loose, way loose.
 
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