Questions trying to identify the source of a strange sound coming from part of a vehicle. Best accompanied with a video, to allow answerers to hear the sound.

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2
votes
2answers
4k views

What could cause an engine to make a chirping sound when it's first started up?

I've owned a Diesel Peugeot 307 for a year now but during the recent winter months I have noticed a strange sound in the engine when I started it up. As sounds aren't well described with words, I have ...
8
votes
2answers
1k views

how can I quiet a 'chirping' ventilation fan motor blade?

I have a 2006 VW Golf and the internal fan motor that blows the a/c & heat will start to 'chirp' (sound something like a bird singing) randomly. I believe the fan blade needs to be lubricated, ...