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FAQ
The product is applied before and after (if necessary) of your vehicles oil change. An 8 oz application is recommended for the initial installation.
BlueDevil Stop Smoke & Engine Repair works while you drive. BlueDevil absorbs into the seal to soften, expand & revitalize the size and flexibility to its original condition. BlueDevil will not swell your seals and is safe for gas or diesel engines
BlueDevil Stop Smoke & Engine Repair will seal leaks in any fluid systems that are seeping or dripping.
Start engine and drive vehicle or equipment to let BlueDevil circulate. The repair is sealed while you drive. You should start to see a difference after 100 miles of drive time.
BlueDevil is a permanent repair!
YES. BlueDevil does not contain petroleum distillates, which can destroy seals after temporarily expanding them. It is safe to repeat treatment if necessary. Each bottle contains enough BlueDevil for two applications.