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You are watching: How to check for vacuum leaks with wd40

I"ve heard of using carb cleaner to test for vacuum leaks, yet I don"t have actually any on hand. Can I use WD40?
My "71 240Z - GC Coilovers, Eibach 225/250 race springs, Illuminas, MSA 6-1 coated header, 2.5 exhaust with electrical cutout, XR3000, 15X7 Rewinds through Azenis, other odds-n-ends."What a bunch of whining devices we have actually right here now. Makes me desire to puke." - Tony D"Take it to a track wright here BOTH chauffeurs intend company or it"s just one sided mechanical masterbation." - Hybrid77z
Any volitle spray (founding liquid, brake clean, WD 40) wil work. Keep a fire extinguisher close to by. A safer technique is to use a water spray mist. You will obtain the oppowebsite result as a flammible, yet the result will still be a readjust in engine rpm.
83" 280ZX presently in restoration. 82" 280ZX components auto for 83", now crushed. 84" 300ZX turbo, rolled, twisted body, crumelted.

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I favor to usage brake cleaner. I don"t favor using somepoint that leaves stuff behind aka oil mist from WD40. You"re going to have actually a mess. plus WD isn"t really that areosol
Or if youre checking actual vaccume lines you can put some electric tape on the teeth of a pair or vice grips and also clamp off the lines at both ends to see if the idle transforms.
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