Jetta L4-2.0L (AEG) (2000)
<= Clamp off lower radiator hose -4-
<= Unscrew radiator drain plug -1- and drain coolant into drain pan
<= Remove retaining clip -5- and disconnect lower radiator hose coupler -2-
<= Remove 0-ring -3- from inside coupler -2- and discard
<= Install new 0-ring -3- (1JM 121 700) inside coupler -2-
<= Reconnect lower radiator hose coupler -2- and secure with retaining clip -5-
<= Tighten drain plug -1-
<= Remove clamp from lower radiator hose
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Lower vehicle on hoist
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Refill cooling system with new coolant mixture; use antifreeze, part number ZVW 237G12, and mix 50/50 with water prior to filling
NOTE:
System must be filled with VW-supplied antifreeze only, part number ZVW 237G12
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Do not spill drained coolant fluid
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Store drained coolant fluid in appropriate container in accordance with your state, local or Canadian requirements