Re: 5v Fan on 3v line

Aug 23, 2023 Last reply: 2 years ago 3 Replies

On 22/08/2023 15:16, Jan Panteltje wrote: >
>> I had a noisy 5 V fan in the Pi4 4 GB, I took the fan apart, >> took the rotor out and greased the shaft with some vaseline. >> That was about 2 years ago. >> It has been quiet ever since, works perfectly, 24/7. >
> you shouldn't use grease on small electric motors. > Light sewing machine oil is best.

CG> Yup. I've revived a lot of fans with a few drops of 3-in-1 oil.


Yeah don't use grease ... grease was just a poor word choice, 3-in-1 oil is what I used, but not always easy to get, depending where you live.


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'3 in 1' is one brand, 'sewing machine oil' is another good term to search for. or 'light machine oil'. That last got me the most results on Amazon.

The sort of stuff model train people use.

3 in 1 oil is rather brown so when it eventually dries out what's left will be quite thick and sticky like tar. A light pale coloured sewing machine oil would be my choice.

All oils that are blends of various fractions of oils will thicken as they dry out. Top quality oil is a blend of far fewer....and yes, Id go for sewing machine oil

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