Mysterious yellow spray by AC compressor, what is this?

Mysterious yellow spray by AC compressor, what is this?

Postby Allergictostabwounds [OP] » October 31st 2020, 9:46pm

Just today I noticed a yellow streak coming out of the hood on the body, i opened it up and found a monstrosity of yellow fluid having sprayed everywhere by the AC compressor and washer reservoir on my 94 Safari. The spray seems to have gotten low and flung all over the passenger underside as well. My wife drives the van and hasn't noticed anything strange. Still runs fine, engine temp is normal. A/C and heater weren't working before this happened anyway but due to the close proximity to the A/C I feel like it has something to do with it.

Any ideas?
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The mess under the bonnet
IMG_20201031_162628.jpg
closer view
IMG_20201031_162956.jpg
spray on the underside
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Re: Mysterious yellow spray by AC compressor, what is this?

Postby chevymaher » October 31st 2020, 10:08pm

That is the evaporator area the compressor is on the other side with a belt on it.
Looks like it is coming from the water control valve which is common. They fall apart literally after a while. Open the radiator is it the same color as in there.
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Re: Mysterious yellow spray by AC compressor, what is this?

Postby AstroWill » October 31st 2020, 10:32pm

Definitely looks like it could be coolant, wonder if it's getting on the belt and getting flung everywhere.

Double check your coolant levels, color might be more orange while wet, but take some on a paper towel and let it dry, bet it's the same color.

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Re: Mysterious yellow spray by AC compressor, what is this?

Postby AstroOafAdventurerAstroOafAdventurer is online! » November 20th 2020, 3:39pm

Can you verify the where abouts of your van?
Maybe it snuck off for a paintball comp...
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