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Replacement Battery in 04 CTS


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For the past week my CTS has had issues turning over. Same days it was hesitant, some days not at all, some days I'd sit w/ the car on for a few mins and when the "battery saver active" notice popped up, I'd give it a try and it would start up. Battery indicator reads ok while driving. I thought maybe it was the alternator or that something was draining the battery but when I took it to the dealer, they said it was my battery. Replacing it costs $210. That's outrageous!!! And none of the local parts stores carry a battery for the CTS.

Is being raped by the dealer my only option?

Blue Chip CTS - 3.6l, 20% tints, 20" Venti V56 rims
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I would get the part number off your owner's manual and keep calling until I found one. Order one through your favorite parts store or even online if you have to. You can change the battery yourself.

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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Batteries are best obtained locally and bought while fresh. It's a standard battery. Just get the model number out of the owner's manual (or off the existing battery) and do a yellow pages for someone local that carries A/C Delco batteries and call them.

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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My 03 CTS battery finally crapped on me and I looked all over for a replacement...Walmart said it's a wierd size and they don't stock them so I ended up paying $200 at the dealership and yes it does seem outrages to me also!! They told me it is because it comes with a 6 year warranty but the factory battery isn't even that old.

Good luck. I did hear Sam's Club usually has the right size.

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