QUICKLY & EASILY DETECTS LEAKS IN ALL ENGINE TYPES.
A SIMPLE, EFFECTIVE TEST FOR BLOWN HEAD GASKETS, CRACKED BLOCKS OR CRACKED HEADS.

WITH MOTOR IDLING, PLACE THE TESTER IN RADIATOR FILLER NECK AND CLOSE OFF THE OVERFLOW TUBE. USE RUBBER SYRINGE AS DIRECTED TO PULL AIR FROM RADIATOR, THROUGH LIQUID. IF COMBUSTION GAS IS LEAKING INTO THE COOLING SYSTEM THE TEST FLUID WILL CHANGE FROM BLUE TO YELLOW.

THE TEST FLUID MAY BE RE-USED 6-7 TIMES AND RETURNS TO THE ORIGINAL COLOR WHEN AIR IS RE-INTRODUCED AFTER TESTING.

FOR 16 OZ TEST FLUID ONLY SEE Z14006