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Hi guys,
My car has the ADY 2.0L 8V engine. Recently (well, for the past half year), there's been some slight changes in the sounds the engine makes.
1. It makes some kind of a background noise, similar to those old TV chatter when you flip to an untuned channel (except much quieter). This noise is consistent and occurs as long as the engine is on (louder in gear but also occurs in neutral; low and high revs as well), but it gets quieter after the engine is warm.
2. When the engine is cold (first ~10 minutes), the engine makes some kind of whistling noise (think a kettle with boiling water) that occurs from around 2800RPM and gets loudest at ~3000RPM. This only occurs when I maintain those RPMs for more than half a minute (when I'm on the motorway in 5th), but other than that, they don't usually occur.
I only had the timing redone about 10k-15k km ago. I don't have any oil leaks and I've checked my oil and the dipstick level hasn't changed since last oil (~8000km ago).
What could be the problem? It started happening after a spirited run one night (car was warm - had to travel quite far to get where I wanted to be
). Car drives perfectly and pulls just as well as when I first had it, it's only the noise that it's making that's worrying me.
Thanks in advance to anyone with any info.
My car has the ADY 2.0L 8V engine. Recently (well, for the past half year), there's been some slight changes in the sounds the engine makes.
1. It makes some kind of a background noise, similar to those old TV chatter when you flip to an untuned channel (except much quieter). This noise is consistent and occurs as long as the engine is on (louder in gear but also occurs in neutral; low and high revs as well), but it gets quieter after the engine is warm.
2. When the engine is cold (first ~10 minutes), the engine makes some kind of whistling noise (think a kettle with boiling water) that occurs from around 2800RPM and gets loudest at ~3000RPM. This only occurs when I maintain those RPMs for more than half a minute (when I'm on the motorway in 5th), but other than that, they don't usually occur.
I only had the timing redone about 10k-15k km ago. I don't have any oil leaks and I've checked my oil and the dipstick level hasn't changed since last oil (~8000km ago).
What could be the problem? It started happening after a spirited run one night (car was warm - had to travel quite far to get where I wanted to be
). Car drives perfectly and pulls just as well as when I first had it, it's only the noise that it's making that's worrying me.Thanks in advance to anyone with any info.
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