Page 129 - CTS - Mechanic Diesel - TP

MECHANIC DIESEL - CITS

4 Keep pumping the plunger until the pressure reads about 15 PSI; (avoid the excess pressure it will damage
the system)
If the pressure gauge hold its value, the cooling system is likely free of leaks. If the pressure slowly drops, leak
somewhere or the pressure tester may not be attached properly, recheck the tester connection. Listen out for
the leaks or bubbling if escaping pressure and thoroughly go over the engine bay for any sign. If no sign leak
is inside engine
5 This test is good for checking coolant leak from engine radiator or hose, blown head gasket, damage line
bottom ‘O’ ring etc
6 Remove the pressure tester by twisting the connector lock after release pressure.
7 Clean and reinsert the tester back into its case and store in cool dry place.

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CITS : Automotive - Mechanic Diesel - Exercise 7.2