• Spots and locates combustion leaks quickly in cracked or warped heads, leaky gaskets or cracked block. Use leak-check in the radiator opening with engine idling. The blue test liquid will turn into yellow to green in 60 seconds if there is a combustion leak, no matter how small. Get exact location of leak by disconnecting one spark plug at a time and retest. Complete to proof of leak.
• Perfect combination with H.C.B-A2008.