2002 Mitsubishi Lancer Why is my car making noise?

2002 MITSUBISHI LANCER
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STANNER21
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Noises problem
2002 Mitsubishi Lancer 4 cyl Automatic 110000 miles

My car has started making a vibrating noise which is (probably) coming from the engine. It's a low vibrating noise that I would describe as sounding like a radio that isn't on a station (fuzz). The vibration gets faster or slower with the RPM. It doesn't start making the noise until the car has warmed up. Once it starts making the noise, it does it whether I'm going 5 mph or 50. It does not make the noise when I am idle.

I got the timing belt replaced at about 75,000 miles, so I doubt that is the issue. I use mid grade gas. I don't change my oil as often as I should (about every 4,500).

Any ideas?
Jun 4, 2010 at 9:38 AM
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CARADIODOC
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Hi stanner21. Welcome to the forum. You'll have to have someone listen to this who is familiar with the possible causes. The typical things to look for include a power steering pump and idler pulleys for the belt. A stethoscope works real well to isolate the cause of the noise if it is related to one of those things. You can buy one at the auto parts stores for less than ten bucks.

Another approach is to remove the accessory drive belt, then run the engine just long enough to verify the noise is gone. If it is still there, suspect something related to the timing belt, usually the water pump or idler pulley. A buzzing noise is rarely caused by something inside the engine that requires major disassembly. Don't overlook something as simple as low power steering fluid although if it is, there is a leak that must be located and repaired.

caradiodoc
Jun 4, 2010 at 12:39 PM