Observable Diagnostics and Tests
04
150
16
DPSG,RG40854,284 –19–24SEP02–2/2
IMPORTANT: DO NOT apply excessive pressure to
cooling system, doing so may damage
radiator and hoses.
3. Connect gauge and adapter to radiator filler neck.
Pressurize cooling system to specified pressure for
application.
2
.
4. With pressure applied, check all cooling system hose
connections, radiator, and overall engine for leaks.
If leakage is detected, correct as necessary and pressure
test system again.
If no leakage is detected, but the gauge indicated a drop
in pressure, coolant may be leaking internally within the
system or at the block-to head gasket. See CHECK FOR
HEAD GASKET FAILURES in this group.
2
Test pressures recommended are for all Deere OEM cooling systems.
On specific vehicle applications, test cooling system and pressure cap
according to the recommended pressure for that vehicle.
CTM100 (06APR04)
04-150-16
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=364
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