Cadillac Repair Questions? Ask a Mechanic for Answers ASAP
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What happened to the engine?
Did it seize?
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Due to the fact the car is in great condition and low miles I would look into a replacement engine.
You should get several quotes. Check what the warranties are on the replacement engine. Also check with your local Cadillac dealer.
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How often was the oil changed?
Did you go by the Oil Life Monitor System?
What type oil did you use?
What is your VIN# ***** your car?
Need VIN# ***** check some info, bulletins.
I don't care for the Oil Life Monitor System.
My experience from working in GM Dealerships for many years is that sometimes the light won't come on for 15-20,000 miles and some customers don't check their oil regularly. Engines do consume oil. The accepted rate of oil consumption for engines used in the vehicles referenced is 0.946 liter (1 qt) in 3200 km (2000 mi). This is in a GM Service Information Bulletin. So if someone were to go 10k miles without checking the oil it could use up to 5qts of oil. I always recommend 3k for conventional oil and 5-6k miles for Synthetic.
Don't see any bulletins for that problem.
This engine was used from 2004 to present models. The major problem I have seen is sludge build up due to lack of services and not checking oil level regularly.
Did you buy the car new?
Have you had many problems with the car?
If its been a good car for you with no other major problems than I would look into a replacement engine. But like I said previously, shop around and check what their warranties are.