Lowering coolant level – MAHLE RTI MCX-2F (Rev C) User Manual
Page 8

Page 7
VERY IMPORTANT
Open valve on wand only while end is in fluid.
Do not suck air as the pump may loose its prime.
EXC
HAN
GE C
OOL
ANT
SYS
TEM
PR
ESS
URE
EM
PTY
WA
STE
TA
NK
LO
WE
R R
ADIA
TOR
& O
VER
FLO
W
SYS
TEM
PR
ESS
URE
& O
VER
FLO
W
LO
WE
R R
ADIA
TOR
SYS
TEM
VA
CUU
M
OFF
OFF
OFF
EXC
HAN
GE
COO
LAN
T O
R
FILL
RA
DIA
TOR
& O
VER
FLO
W
EM
PTY
WA
STE
TA
NK
TES
T
FILL
RA
DIA
TOR
& O
VER
FLO
W
EXC
HAN
GE C
OOL
ANT
Green Hose
Radiator
Radiator
Hose
Black Hose
& O
VER
FLO
W
FILL
RAD
IATO
R
& O
VER
FLO
W
LOW
ER R
ADIA
TOR
EMP
TY W
AST
E TA
NK
TES
T
Wand
Water
Pump
Overflow
EM
PTY
WA
STE
TAN
K
OFF
Heater
FILL
RA
DIAT
OR &
OV
ERF
LOW
EXC
HAN
GE C
OO
LAN
T O
R
SYS
TEM
VAC
UUM
OFF
OFF
LOW
ER R
ADIA
TOR
& O
VER
FLO
W
Block
Core
Engine
LOWERING COOLANT LEVEL
WARNING:
Coolant in the vehicle cooling system may be extremely hot and under great
pressure. Wear safety glasses and use protective clothing and gloves. Use
extreme caution when removing radiator cap and hoses.
1. Turn both valves on front of MCX-2F to EXCHANGE.
2. Slowly and carefully remove the cap from the radiator.
3. Remove cap from overflow container.
4. Attach the wand to the black hose. Close the valve.
5. Turn control valve to LOWER RADIATOR & OVERFLOW.
6. Press the top of LOWER RADIATOR & OVERFLOW selector switch to turn on
pump.
7. Use the Wand to empty the overflow container and lower the level of coolant
in the radiator to a level just below the upper hose connecting the radiator to the
engine. Open valve on wand as required.
8. Press bottom of LOWER RADIATOR & OVERFLOW selector switch to turn off
pump.
9. Replace caps on the radiator and overflow container.