Need help diagnosing my car | The Car Community | Page 1

coarse prawn Apr 28, 2026, 2:13 PM

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2015 Chevy Cruze 1.6l turbo has a ticking sound,,goes away when I drive it’s kinda loud when idle tho. Just did oil change and added Lucas additive oil to see if that would help it didn’t. No loss of power no leaks just started ticking doesn’t speed up when I rev kinda goes away

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70 k miles when I changed oil it was at 60 percent but was pretty darkened and had only bout half to a quart of oil

magic narwhal Apr 28, 2026, 2:17 PM

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To make sure we understand correctly, when you changed the oil only a quart drained out?

coarse prawn Apr 28, 2026, 2:18 PM

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Yea little more

coarse prawn Apr 28, 2026, 2:18 PM

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magic narwhal To make sure we understand correctly, when you changed the oil only a quart drai...

Yea little more

magic narwhal Apr 28, 2026, 2:36 PM

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Also, is this diesel or petrol?

coarse prawn Apr 28, 2026, 5:20 PM

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Petrol

opal saddleBOT Apr 28, 2026, 5:20 PM

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GG @coarse prawn, you just advanced to level 1! Chat more to level up and earn top roles!

magic narwhal Apr 28, 2026, 5:34 PM

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I was originally going looking for source of the oil leak or consumption, but that may be secondary. If you’ve run it that low, I’d be concerned about damage to the bearings. If this were me, with that fresh oil in there drive a few hundred miles or kms and then pull a sample to send for used oil analysis.

olive totem Apr 28, 2026, 7:58 PM

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PCV failure probably for oil loss

coarse prawn Apr 29, 2026, 5:04 AM

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That’s how it sounds

#Need help diagnosing my car