Question about 2003 Cadillac CTS
Follow the recommendations in the owners manual. The info I saw for the 100K mark said to check plug wires, replace plugs, check the pcv system.
There are maintenance issues well before the 100K mark. I would go ahead and replace the serpentine belt if it hasn't been replaced recently. If the old belt looks ok, you can save it for a spare, use in case of an emergency. At 100,000 Mls things are starting to get tired and worn, I do not advocate the "fix in a can" solution the only way is to repair or renew, yes that's expensive, but i believe in do it once do it right. The can cure may slow or ease the problem for a short while but they cannot fix the problem and often with oil leaks can l make things worse!
As for the coolant light sensor, you should be able to get a good second hand one, if you disable it, and the car runs low on coolant, you may do a head gasket or worse.
Posted on Jul 01, 2009
I don't think so as Cadillac service person says, your car needs a normal service if all things are OK... .... the cost is not more than a normal service.
Posted on Jun 30, 2009
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Posted on Jan 02, 2017
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