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04 CTS 3.6 Black
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29 Posts
Discussion Starter #1
Hey all, I just bought this 1990 cadillac deville at a goodwill auction here a couple of days ago. Everything looks to be in good order mechanically, even has R12 in the working AC system still!, tranny fluid is birght red, no burnt smell, fresh oil change from the local cadillac dealership prior to the auction, Antifreeze is a nice birhgt green, new michelin tires all around. I picked it up for 700.00 dollars. It has 67,000 Miles on her. Is there anything I should look out for? or replace now to save any trouble in the future? only problem is the radio is working on 1 speaker, it has the bose CD system. any way to easily bypass bose and put a new CD player?

Lets here suggestions, Comments, Etc People!

Heres a pic.
 

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'87 SDV
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1,296 Posts
Nice looking car! With that low of miles you got a very good deal. You might want to run the onboard trouble code diagnostic to see if any codes show up. See the sticky post at the top of the 4.x engine section to interpret codes.

The anti-freeze being bright green isn't necessarily good. It may mean it's fresh, but it definitely means the GM sealer supplement hasn't been used. It should look like a fresh brewed cup of coffee when the sealer is present. This is the single most important thing you can do to insure a long life to any 4.x Cadillac engine.

Bose is probably a blown amp. It uses seperate amps for every speaker, and they aren't very durable. However the system itself is really nice (if a little dated), much better than a lot of the aftermarket stuff out there. In addition, the wiring on these cars is a bit complex, and I've heard a lot of horror stories about hooking up new sound systems followed closely by messed up dash lights or digital displays.
 

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04 CTS 3.6 Black
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29 Posts
Discussion Starter #3
What is this sealer of which you speak?

I was impressed, as I even got the orignial floor mats, the orignial 2 sets of gold keys, and the casette tape made for my 1990 deville! i was laughing at the cheesey music provided on this instructional tape.
 

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93 Sedan Deville 4.9L
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1,005 Posts
What is this sealer of which you speak?

I was impressed, as I even got the orignial floor mats, the orignial 2 sets of gold keys, and the casette tape made for my 1990 deville! i was laughing at the cheesey music provided on this instructional tape.

Just GM Sealant tabs or Bars Leak ones that can be purchased at wal-mart, dealer, or most auto part stores.Search here for "Coolant Supplement" and you will learn more. Their is a sticker under the hood saying to add them.
 

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Cadillac Deville 1990
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266 Posts
Man that is a nice looking car for $700 and at 67K miles it was a steal. Where can I find these goodwill auctions?
 
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