The block tester® is a used to detect the presence of exhaust gases in an engine's cooling system, typically caused by a blown head gasket or cracked head or block It comes complete with enough fluid to conduct 16 tests There are no additional tools needed, and no need to tap into an engine vacuum source Blown head gasket (bhg) cracked head or block pulled bolts or studs warped sealing surfaces quality tool made in usa for over 45 years with limited lifetime. Blown head gasket (bhg) cracked head or block pulled bolts or studs warped sealing surfaces quality tool made in usa for over 45 years with limited lifetime warranty packaged in oem white box When fluid turns from blue to yellow combustion leak is present.
OPEN
