2005 Ski-Doo RT Series Shop Manual, Page 104Get this manual
Section 02 ENGINE Subsection 10 (COOLING SYSTEM)
Rear Cap Heat Exchanger
Summit Models Only For disassembly, drain cooling systemRemove rear hose coverRemove Oetiker clamps and unplug rear cap heat exchanger hosesDrill all rivets retaining rear cap heat exchanger to frame1 2
Refilling Procedure
IMPORTANT: USE THE PREMIXED COOLANT (PN 293 600 038)Do not reinstall pressure capWith engine cold, refill coolant tank up to COLD LEVEL lineStart engineRefill up to line while engine is idling until rear heat exchangers are warm to the touch (about to minutes)Always monitor coolant level while filling tank to avoid emptyingInstall pressure capLift rear of vehicle and support it safelyActivate throttle levertimes to bring engine speed to 7000 RPMApply the brakeLower vehicle back on ground and add coolant up to 15 mm (12 in) above the COLD LEVEL line
A35C3GA
REAR CAP HEAT EXCHANGER 1Remove Oetiker clamps 2Drill all rivets 3Rear cap heat exchanger
Remove rear cap heat exchangerFor installation, reverse the removal procedure