That means BlueDevil Oil Stop Leak can act as a valve cover gasket sealer and stay in your engine oil until your next oil change and will not clog or harm your engine in any way. BlueDevil Oil Stop Leak will restore dried, cracked or shrunken seals to original size and shape, allowing them to reseal and stop your leak. Table of Contents show.
By the time this pipe has enough rust to leak, it leaks because the O-ring(s) must seal to surface(s) which are pitted and out-of-round. No sealant can possibly fix that. Replacing the crossover pipe is not much harder than changing the timing belt and water pump (which is fairly difficult on this engine), and should be done at the same time.
Nicholas-. The Red Angel A/C Stop Leak (Aerosol can) is a one shot application, and contains 2.5 ounces of R-134a to give the system a partial charge, along with 2 ounces of the stop leak. The Red Angel A/C Stop Leak (2 oz. bottle) does not contain any refrigerant, it is simply the stop leak additive.
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