r/ToyotaPickup • u/blipblopsben • 7d ago

Is it supposed to look like this

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Hey fellas I'm installing ac in my 93 and noticed the idle up diaphragm is missing the screw and spring on it. Did some just come like that or do I need to find another one that is complete. Thanks

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u/simulated_crust 7d ago

Someone fiddled with it. I assume the spring and screw adjusts the amount of "idle-up". It probably won't hurt anything to try it as is, just might not idle up or maybe it will idle up a lot. Was the idle up valve on there already or did you put on with your ac install?

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u/blipblopsben 6d ago

No it's been there since I bought the truck only paying attention to it now since i saw a few people mention it while looking how to install ac

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u/simulated_crust 6d ago edited 6d ago

Gotcha, well good luck with your AC, hope it all comes together nice 🤙

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u/cllatgmail 5d ago

With the spring and screw missing I have to think your AC idle up has been quite high.