Green Oily Liquid - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 10 (permalink) Old 12-22-2013, 09:05 PM Thread Starter
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Green Oily Liquid

I have an 07 cobalt that recently started having this rattling noise coming from the beneath the air filter. I was driving on the freeway when I noticed smoks coming out of the hood on the passengers side. When I pulled over I noticed a green oily liquid dripping from that side of the car, any idea what this might be, and is it safe to drive to a mechanic, I had it towed home
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post #2 of 10 (permalink) Old 12-22-2013, 11:38 PM
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Can you explain the rattle a little more? Do you have a manual or an auto?

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post #3 of 10 (permalink) Old 12-23-2013, 05:25 AM
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The AC lines run on that side, the fluid can be a yellowish green color that is oily. Maybe a line broke.

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post #4 of 10 (permalink) Old 12-23-2013, 06:02 AM Thread Starter
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the rattling noise sound like a bearing not functioning properly, it sound worse when the ac is on. if the liquid is ac fluid it would be ok to drive correct, at least to a mechanics shop
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post #5 of 10 (permalink) Old 12-23-2013, 06:15 AM
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AC compressor probably died. If it is that then you can normally buy a shorter serp belt to bypass it

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post #6 of 10 (permalink) Old 12-23-2013, 06:51 AM
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If the noise goes away with the A/C off, it should be OK. Unless you turn on the defrost setting which also runs the compressor, the compressor should be stopped. Only the front pulley will be turning. If you still hear a noise with A/C off, I would not drive it.
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post #7 of 10 (permalink) Old 01-16-2014, 04:32 AM
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Green oily liquid can also be coolant...wonder if OP found the location of this fluid leak?

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post #8 of 10 (permalink) Old 01-16-2014, 09:39 AM
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Quote:
Originally Posted by Iceman62 View Post
Green oily liquid can also be coolant...wonder if OP found the location of this fluid leak?
Probably took it in and had it fixed. I notice a lot of people sign up ask a question and then never come back. I think that's how I started but I liked you guys so I stayed



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post #9 of 10 (permalink) Old 01-16-2014, 10:27 AM
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If it's coolant I hope he didn't mix the green with dexcool

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post #10 of 10 (permalink) Old 01-16-2014, 12:27 PM
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That fluorescent green liquid that ypu find on the snow in the morning after warming is not coolant nor refrigerant it is a by product of steam and cat converter and it usually seeps out from the drip holes in the exhaust, muffler drain or at the tip of the exhaust. These spots are usually seen below the floor area.

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