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Recently started to notice rotten egg smell coming through vents, particularly after starting the engine.
"Crap, what is it?" I asked myself..."bad fuel"?...but that would mean an exhaust leak in the engine bay...somewhere near the cabin air filter....
"Bad catalytic converter?"...again...an exhaust leak...exhaust itself DOES NOT smell.
What about hydrogen sulphide? OMG my battery is exploding!!....nope...that's out back in the boot...and it's fine
So what's close to the cabin air filter?.....well.....there's the cap for the windscreen washer fluid....but that just water and soap and it can't be....
OH MY F-ING GOD!!!! I popped the cap off the windscreen fluid reservoir and took a whiff!!
It smelled like a thousand rotting eggs...
I don't know why, because I go through the stuff pretty regularly, but the no-name washer fluid I've been using and the water itself had gone septic.
I drained the fluid completely by using a long tube and the sprayer-trigger from a spray bottle...then I filled it with boiling water and a cup of bleach. I let that sit for a while, then used my hose to flush it for 30 minutes.
I filled it with clean water and a teaspoon of bleach.
Unreal...of all the things that I would not have expected.
there might be a possibility something may have fallen into your vents. i would recommend changing your HVAC filter in your engine bay as well as the one under your glove box. also, Hydrogen Peroxide would probably be a better cleaner than bleach as it does not have a smell. It also is a disinfectant.
i'd follow up with pouring hydrogen peroxide wherever you feel could have odor, then follow up with some Klima Cleaner to clean out your interior vents.
there might be a possibility something may have fallen into your vents. i would recommend changing your HVAC filter in your engine bay as well as the one under your glove box. also, Hydrogen Peroxide would probably be a better cleaner than bleach as it does not have a smell. It also is a disinfectant.
i'd follow up with pouring hydrogen peroxide wherever you feel could have odor, then follow up with some Klima Cleaner to clean out your interior vents.
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I wonder if the reservoir had a reaction with the windshield fluid?
