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Fixitman, Master Technician
Category: Toyota
Satisfied Customers: 17667
Experience:  ASE Master Certified, AA Degree Auto/Diesel Tech
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2001 camry making humming noise coming from engine. 160,000

Customer Question

2001 camry making humming noise coming from engine
JA: How many miles are on the car? Is it an automatic or a manual transmission?
Customer: 160,000 automatic
JA: Are you fixing your Camry yourself? What have you tried so far?
Customer: It's using some coolant working on it myself
JA: Anything else you want the mechanic to know before I connect you?
Customer: Replaced engine coolant sensor and changed thermostat
Submitted: 1 year ago.
Category: Toyota
Expert:  Fixitman replied 1 year ago.
Hello, my name is***** can be caused by a number of things. It can be caused by an engine accessory or pulley or it can be as serious as an internal engine problem. If you are losing some coolant also then I would first suspect a failing water pump. Typically when the pump fails on this engine it will make this kind of noise. You will need to start by running the engine with the drive belt removed. If the noise continues then you will have to remove the front timing over to inspect the components in there. If it stops with the belt removed then it is one of the engine accessories, possibly an alternator. I hope this helps. Let me know if you need further assistance.