General internal combustion engine questions.

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3
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1answer
2k views

How to attach PCV breather hose on MkIII Golf?

The old "breather hose" on my Mk3 VW Golf became cracked and fell off. I bought a replacement tube, which connects to part of the PCV apparatus on top of the engine via a hose clamp, but it is not ...
1
vote
2answers
7k views

High-pitched squealing coming from engine

I've been told that a wet serpentine belt causes this. Is that true? If not, what else could it be? How can I fix this? This is a 2004 Chevy Trailblazer (4.2L 6-cyl. engine). I hear the noise ...
2
votes
2answers
3k 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 ...