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rpmdiag, Tech and Instructor
Category: Buick
Satisfied Customers: 7891
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: 1 year ago.
Category: Buick
Expert:  rpmdiag replied 1 year 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 1 year ago.
If it were going through the motor I would have smoke out of the exhaust no?
Expert:  rpmdiag replied 1 year 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.