ORIGINAL REDDIT POST
Knocking and leak - no idea what broke
2016 Subaru Crosstrek hybrid Was driving on highway (~60mpg) for 90 minutes prior, no issue. Got off the highway and immediately heard knocking. Pulled over and saw fluid dripping. No idea what went wrong so any suggestions, advice etc. would be super…
2016 Subaru Crosstrek hybrid Was driving on highway (~60mpg) for 90 minutes prior, no issue. Got off the highway and immediately heard knocking. Pulled over and saw fluid dripping. No idea what went wrong so any suggestions, advice etc. would be super helpful. Pic is where the fluid is dripping from Edit: video posted in comments
Collected discussion
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Oil level looks good
The fluid doesn't seem to have a smell (granted my sense of smell is awful but i can smell oil or burnt rubber generally) It doesn't have an oily/greasy texture and has started evaporating, so I'm hoping that the folks saying its water are right
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It's water from the AC drain tube. Unrelated to the knocking sound.
That's good news. Now to explain the knocking sound. Does it happen when the engine is idling, or only when you're moving?
Came here to say this "not related" The "leak" is not a leak, it is drainage from the air-conditioning. Post a video with the noise.
Check your oil level to see that the engine still has oil in it.
Ac condensation drain.
That looks like water so it's probably the A/C drain line which is normal
The fluid is water. Condensation from your ac. The knocking is... I dunno figure out what's loose. Start shaking things.
Normal. The knocking is unrelated
Is it just me or does that have the sound of a hot contracting heat shield? Not rhythmic enough to be other?
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that's a rough spot for a leak, right near the cv axle boot. could be the boot itself tore and is slinging grease everywhere, or something further up let go. does the fluid smell like gear oil or more like burnt rubber?