MAHLE RTI MCX-2 (Rev A) - Manual (Page 11)

Page 10
TES T FILL
SYS TEM VA CUU M
SYS TEM
DRA IN
OFF
ON
OFF
SYS TEM
ON
ON
FILL
OFF
EM PTY WA STE
SYS TEM PRE SSU RE
Black Hose
Hose
Radiator
Radiator
Green Hose
SYS
TEM
DRA
IN
SYS
TEM
PR
ESS
URE
OFF
ON
OFF
FILL
TES
T
SYS
TEM
OFF
ON
ON
EM
PTY WAS
TE
FILL
SYS
TEM
VA
CUU
M
Step
Hose
Adapter
Overflow
Pump
Water
Adapters
Block
Engine
Heater
Core
TEST COOLANT SYSTEM FOR LEAKS
The MCX-2 can be used to check the coolant system for leaks. The coolant system is
pressurized and the System Pressure Gauge on the MCX-2 is monitored for a drop in
pressure which would indicate a system leak.
The MCX-2 should be connected a shown above.
1. Turn control valve to TEST and press the top of FILL SYSTEM selector switch
to turn on the pump.
2. Watch the System Pressure Gauge and press the bottom of the FILL SYSTEM
selector switch when the pressure reaches 10 to 13 PSI.
3. The coolant system is now pressurized. Monitor the pressure for a constant
reading. A coolant system leak is indicated if the pressure falls.