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Car Talk / 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

1 Like

Car Talk / #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

2 Likes

Car Talk / Re: I Did Full Tank Today. 9k Top Up. A Total Of 65k Litters Capacity by THROTTLE: 10:08pm On Apr 15, 2023
AutoManual:
I did a full tank top up of 9k in addiction to what i have there before. As i was living the filling station the car was kind of heavy in my hands. I have never experienced that before while driving alone.

My trip is in 100. I did this just to study my fuel consumption. I have been complaining to people about the fuel consumption.

I am now using a climate control with 70f setting and I observed that the ac blow gently and very calm unlike the way i use it before which blows hard and cold aggressively as i use to set it.

I want to study the miles before it get to half tank. I will keep this thread posted.

Mind you its 2007 Honda Accord V6 3L

You have super sensitive hands and are paying attention.

You should also notice a difference with the steering response when you have passengers/luggage.

The height of it all? You should be able to tell an underinflated tire, correctly, just by steering the vehicle and 'feeling' it.

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Car Talk / Re: How To Maintain A Car As A New Driver? by THROTTLE: 3:45pm On Apr 04, 2023
easytig:
If it's synthetic oil weight like 5w30 you can go the full year, but if it conventional oil like 20w 50 then every three months is okay to avoid sludge since it's not as protective as 5w30.

Unless you are using EP, ALMOST all manufacturers recommend an OCI of 6 (six) months (max), irrespective of miles covered, not 1 (one) year as opined. That said, even with EP, there are very many variables to factor:

1. Type of typical use (severe versus normal).
2. Quality of engine oil filter (very important).
3. Other variables too numerous to mention here (like the PCV valve change/service when due) etc.

Las las, if you don't know what you're doing, 5k miles or 6 (six) months OCI is your safest bet.

As an aside: which marque has the almighty 20W50 as recommended (or suggested) engine oil weight? I'm curious.

- Throttle.
Car Talk / Re: My Experience With A Lexus ES330 by THROTTLE: 8:34am On Apr 04, 2023
RoadMozart:
I changed the gear to the S-drive mode and then fired. In no time I caught up with him. I followed him for a few seconds then I overtook him. I looked at my meter and saw 170kmph reading.... I looked behind and saw him some distance away. In a minute, he caught up with me but remained behind me till we got our destination. As I alighted, his passengers ran to my passengers to complain about him and they said they were going to follow me back. My people were speechless cos of What they experienced in my car. I saw some of them praying while I was moving....
2 mins later the acura man arrived.

Both vehicles mentioned are NOT designed/tuned for racing; this is what your ES guy (and you) failed to factor.

Man, know thy vehicle... grin

- Throttle.

6 Likes

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