C 230 (203.040) L4-1.8L SC (271.948) (2005)
Radiator Cap: Testing and Inspection
AR20.30-P-4300P Inspect Cooling System Cap
Inspect Cooling System Cap
Remove/Install
DANGER:
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Risk of injury to skin and eyes suffering scalding from contact with hot coolant spray. Risk of poisoning from swallowing coolant.
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Do not open cooling system unless coolant temperature is below 90 degrees C. Open cap slowly and release the pressure. Do not pour
coolant into beverage bottles.
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Wear protective gloves, protective clothing and eye protection.
1
Open cooling system cap (1)
NOTE:
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2-stage cooling system cap: Rotate cap half a revolution in anticlockwise direction and release pressure relief. Then unscrew cooling system
cap.
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Function: 2-stage expansion reservoir cap
Inspect
2
Attach test cap (2) to tester (3)
3
Screw on cooling system cap (1) at test cap (2)
4
Inspect pressure relief valve
NOTE: Determine release pressure of cooling system cap (1) through pumping, replace if necessary cooling system cap (1).
5
Install in the reverse order.