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rpmdiag, Tech and Instructor
Category: Buick
Satisfied Customers: 7620
Experience:  Since 1975
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Car overheating, running through coolant but no visible

Customer Question

Car overheating, running through coolant but no visible leak. I don't hear the fan either. Water pump replaced a few years ago.
JA: How old are the hoses? And have you tested the actual mix of your coolant?
Customer: Coolant is store bought 50/50. Hoses are 10 years old, almost!
JA: What is the model of your '50 Buick?
Customer: 06 Lucerne
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Tried nothing yet, but adding coolant. I just want to trade in the car, but now I can't drive it two blocks without overheating. Hoping not to be expensive repair.
JA: Anything else you think the mechanic should know?
Customer: Nope
Submitted: 10 months ago.
Category: Buick
Expert:  rpmdiag replied 10 months ago.

Hi, welcome to Just Answer. I’m Ron and I’ll be helping you
Before we get started though, Please understand that I don't know
your skill level or tools you have to assist us. Also understand that
I can't see, smell, hear, or touch the vehicle either, so patience is
appreciated. JA is a great Q/A site, but it does NOT replace a
repair shop.
My goal is to make you happy and get a great rating in return for
my time. Sometimes I have to give you bad news that I know you
didn’t want to hear, so please don’t shoot the messenger.

If there is no coolant leaking, then it's going through the motor from a bad head gasket etc. Do a compression/cylinder leakage test to confirm this.

Thanks, Ron

Customer: replied 10 months ago.
If it were going through the motor I would have smoke out of the exhaust no?
Expert:  rpmdiag replied 10 months ago.

Not id it's not that bad yet, no. That coolant is going somewhere, on the ground or through the motor.

Thanks again, and remember to rate me 5 stars for helping you and keep this link in case you need me again later on.