Ski-Doo Ski Doo MX Z 2005 [165/1429] Cooling system leak test
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Ski-Doo Ski Doo MX Z 2005 [165/1429] Cooling system leak test

Ski-Doo Ski Doo MX Z 2005 [165/1429] Cooling system leak test
Section 03 ENGINES
Subsection 08 (COOLING SYSTEM)
COOLING SYSTEM LEAK TEST
WARNING
To prevent burning yourself, do not remove
the radiator cap if the engine is hot.
Install special radiator cap (P/N 529 021 400) in-
cluded in the engine leak tester kit (P/N 861 749
100) on coolant tank. Install hose pincher (P/N 295
000 076) on overflow hose. Using pump also in-
cluded in kit pressurize all system through coolant
reservoir to 100 kPa (15 PSI).
Check all hoses and cylinder/base for coolant
leaks. Spray a soap/water solution and look for
air bubbles.
295 000 076
A33C1HA
529 021 400
INSPECTION
Check general condition of hoses and clamp tight-
ness.
DRAINING THE SYSTEM
WARNING
Never drain or refill the cooling system when
engine is hot.
To drain the cooling system, siphon the coolant
mixture from the coolant tank no. 2 using the
siphon tool (P/N 529 035 880). Disconnect hose
at water pump to drain coolant from engine.
When the coolant level is low enough, lift the rear
of vehicle to drain the radiator.
DISASSEMBLY AND ASSEMBLY
Coolant Pump
Refer to BOTTOM END section.
Sender and Plug
Apply Loctite 592 (P/N 293 800 018) thread sealant
on sender no. 3 and plug no. 4 to avoid leaks.
Pressure Cap
Check if the cap no. 1 pressurizes the system for
3 minutes. If not, install a new 90 kPa (13 PSI) cap
(do not exceed this pressure).
Coolant Tank
For removal, drain cooling system before remov-
ing coolant tank no. 2.
Remove all hoses from coolant tank.
Remove injection oil reservoir retaining screws to
slide down the coolant tank to disengage it from
oil tank.
NOTE: It is necessary to move oil tank for an eas-
ier removal/installation of coolant tank.
Check if the tank is cracked or melted. Replace if
necessary.
For installation, reverse the removal procedure.
Front Radiator
Remove all debris between radiator fins. A clean
radiator is more efficient than a dirty one.
Check if the radiator fins are damaged. Replace
the front radiator no. 13 if necessary.
NOTE: A radiator with many broken fins does not
work properly.
For disassembly, drain cooling system.
Remove rear suspension (refer to REAR SUSPEN-
SION).
Using Supertanium
TM
bit (P/N 529 031 800), drill all
rivets no. 14 retaining front radiator to the frame
or grind the rivets with a grinding disk.
Pull the radiator a little and remove the Oetiker
clamps no. 10.
For installation, reverse the removal procedure.
mmr2005-074 145

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