C7 Z51 leaking fluid

Wheelspin Willy · May 25, 2024

I’m wondering if anyone knows what this dried yellowish fluid might be. I’m assuming it’s other antifreeze or dried oil from an oil change.

Anyone have or see something similar?

Thanks!

C SEVEN GS Bob · May 25, 2024

It seems to have also made the black sheild wet by the bolds. I'd remove the sheild and investigate further

OL Yeller · May 25, 2024

It isn't antifreeze..DexCool is orange...looks too far from the filter to be oil...My guess would be oil from the A/C system. I just replaced the A/C system in my C5 (everything except the hoses) and thats looks exactly like the oil that came out of it...remove the inspection cover and have a look...Might be damage to the condensor. Could also be residue from a previous repair.

Wheelspin Willy · May 25, 2024

Yeah I’ll have to investigate further. Is there any other fluid that might be yellowish like that? I’m assuming it has to be oil. Keep you posted

Wheelspin Willy · May 25, 2024

OL Yeller said:
It isn't antifreeze..DexCool is orange...looks too far from the filter to be oil...My guess would be oil from the A/C system. I just replaced the A/C system in my C5 (everything except the hoses) and thats looks exactly like the oil that came out of it...remove the inspection cover and have a look...Might be damage to the condensor. Could also be residue from a previous repair.

Okay great thanks!!! Ill check it out

NED · Aug 8, 2024

My buddy's 2019 C7 GS just had to replace is AC compressor and the leak on the floor was that colour. Cost him $800 at the dealer to have it replaced.

C7 Z51 leaking fluid

Wheelspin Willy

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C SEVEN GS Bob

OL Yeller

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Wheelspin Willy

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Wheelspin Willy

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NED

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