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#autodiy Series: Diagnosing A Grinding Noise Around The Alternator Area - Car Talk - Nairaland

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#autodiy Series: Diagnosing A Grinding Noise Around The Alternator Area by THROTTLE: 4:27pm On May 19, 2023
Hello everyone.

I fired my mechanic some months back and it has been fun. Vehicle repairs are fun and I wonder why I hadn't taken the action earlier.

The most exciting part, of course, is the diagnosis; figuring out what went wrong and then, getting it right - as it should be done.

Now, I can't wait for the weekends to come so that I'll have some quality time with my car grin.

Having been a member of this forum for more than a decade and picked up a thing or two especially from some of its members, I decided to create this series to encourage others to fix their vehicles directly or at least, be more knowledgeable vehicle owners.

The series will be titled: #AutoDIY.

Everyone who loves the ICE is welcome to join the discussion.

Today, I'll be sharing how I diagnosed a grinding metal noise around the alternator/AC compressor area of my vehicle (a 2006 Lexus ES 330).

Will be updating the processes in a step by step fashion.

Will be back!

Throttle

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Re: #autodiy Series: Diagnosing A Grinding Noise Around The Alternator Area by THROTTLE: 4:50pm On May 19, 2023
Problem:

I had a grinding noise around the alternator and compressor areas that was definitely metal-on-metal, high pitched. This could be likened to how an engine will respond when it finally runs out of engine oil, just some pitches lower.

After careful observation, I noticed that the noise only came on when the AC was powered and I drove in a spirited manner.

Sometimes, however, I didn't matter whether I gave the vehicle gas or not. It still made the shrill, annoying metal on metal noise, as long as the AC was powered on. It was embarrassing.

I also observed that without the AC being put on, the noise was never activated!

It is from this point that I rolled my sleeves and got to work...

- Throttle

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Re: #autodiy Series: Diagnosing A Grinding Noise Around The Alternator Area by theadeola(m): 10:25pm On May 20, 2023
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Re: #autodiy Series: Diagnosing A Grinding Noise Around The Alternator Area by boldx(m): 1:29am On May 21, 2023
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