Coolant System Flushing Flushing; Heater Inlet Pipe Replacement Removal Procedure - Suzuki XL7 2007 Service Manual

1F-27 Engine Cooling System:
6. Add additional coolant to the surge tank until the
level is approximately 13 mm (0.5 in) above the
surge tank seam.
7. Install the coolant surge tank cap.
Coolant System Flushing
Flushing
NOTE
Do not use a chemical flush.
Store used coolant in the proper manner,
such as in a used engine coolant holding
tank. Do not pour used coolant down a drain.
Ethylene glycol antifreeze is a very toxic
chemical. Do not dispose of coolant into the
sewer system or ground water. This is illegal
and ecologically unsound.
Various methods and equipment can be used
to flush the cooling system. If special
equipment is used, such as a back flusher,
follow the manufacturer's instruction. Always
remove the thermostat before flushing the
cooling system.
When the cooling system becomes contaminated, the
cooling system should be flushed thoroughly to remove
the contaminants before the engine is seriously
damaged.
1. Drain the cooling system. Refer to "Draining and
Filling Cooling System (LY7 GE 47716 Fill)"
"Draining and Filling Cooling System (LY7 Static
Fill)".
2. Remove the surge tank. Refer to "Surge Tank
Replacement".
3. Clean and flush the surge tank with clean, drinkable
water.
4. Install the surge tank. Refer to "Surge Tank
Replacement".
5. Follow the drain and fill procedure using only clean,
drinkable water. Refer to "Draining and Filling
Cooling System (LY7 GE 47716 Fill)" "Draining and
Filling Cooling System (LY7 Static Fill)".
6. Run the engine for 20 minutes.
7. Stop the engine.
8. Drain the cooling system. Refer to "Draining and
Filling Cooling System (LY7 GE 47716 Fill)"
"Draining and Filling Cooling System (LY7 Static
Fill)".
9. Repeat the procedure if necessary, until the fluid is
nearly colorless.
10. Fill the cooling system. Refer to "Draining and Filling
Cooling System (LY7 GE 47716 Fill)" "Draining and
Filling Cooling System (LY7 Static Fill)".
Heater Inlet Pipe Replacement
Removal Procedure
1. Partially drain the cooling system. Refer to "Draining
and Filling Cooling System (LY7 GE 47716 Fill)"
"Draining and Filling Cooling System (LY7 Static
Fill)".
2. Remove the heater pipe inlet hose (1) from the
heater inlet pipe.
3. Remove the heater inlet pipe housing bolts (1).
4. Remove the housing.
5. Remove the heater inlet pipe housing seal. Discard
seal.