Sea-doo 2003 GTI LE RFI, Shop Manual

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Section 09 COOLING SYSTEM
Subsection 02 (CIRCUIT, COMPONENTS AND CARE)
SMR2003-029_09_02A.FM
09-02-21
COOLING SYSTEM LEAK TEST
Install test radiator cap (P/N 529 021 400) and hose
pincher (P/N 295 000 076) on overflow hose. Pres-
surize all system through coolant expansion tank
to 90 kPa (13 PSI).
1. Hose pincher
2. Pressure pump (P/N 529 021 800)
Check all hoses, ride plate, engine and oil cooler
for coolant leaks. Spray a soap/water solution and
look for air bubbles.
Remove hose pincher and test pressure cap.
Open Loop System
The water supply is provided by a pressurized area
in the jet pump between the impeller and venturi.
The water flow is controlled by a reducer located
between the jet pump support and the jet pump
on the inlet side. The reducer is black on the 4-TEC
models.
Water is directed to the exhaust manifold fitting
located at front of manifold.
1. Exhaust manifold
2. Water inlet
3. Water outlet
Water enters the manifold end and is directed to
water jackets of exhaust manifold.
Water exits exhaust manifold through 2 hoses at
rear manifold.
1. Water coming from exhaust manifold
2. Exhaust pipe
3. Bleed hose
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WARNING
To prevent burning yourself, do not remove
the expansion tank cap or loosen the ride-
plate drain plug if the engine is hot.
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