Coolant Pipes

Special tools and workshop equipment required 

• Hose Clip Pliers V.A.G 1921

Removing 

-- Disconnect the electrical connector on the mass airflow (MAF) sensor -G70- -3-.

Fig 1: Mass Air Flow (MAF) Sensor G70 Electrical Harness Connector, Clips & Front Air Intake Connector On Lock Carrier

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-- Open clips -1 and 2- and remove air guide hose from MAF sensor.

-- Remove front air intake connector on lock carrier -4-.

-- Remove engine cover.

-- Remove pipe -A- and hose -B- -arrows-.

Fig 2: Identifying Pipe And Hose

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-- Remove the air duct -1 and 2- for charge air cooler.

Fig 3: Air Cooler Air Duct

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-- Loosen clamp -2-.

Fig 4: Intake Tube, Bolt, Nut And Electrical Connector

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-- Disconnect the connector -4-.

-- Remove the nut -3- and bolt -1-.

-- Remove intake tube downward and out.

-- Drain the coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .

-- Disconnect electrical connectors -arrow-.

Fig 5: Disconnecting Electrical Connectors

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-- Disconnect coolant hoses from coolant pipes -arrows-.

Fig 6: Disconnecting Coolant Hoses From Coolant Pipes

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-- Disconnect hose -A- and remove bolt -B-. Remove front coolant pipe.

Fig 7: Disconnecting Front Coolant Pipe Hose And Removing Bolt

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-- Disengage connector -A- from bracket, disconnect hose -B- and remove bolts -C-. Remove rear coolant pipe.

Fig 8: Identifying Rear Coolant Pipe Connector, Hose And Bolts

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Installing 

Install in reverse order of removal. Note the following:

-- Fill with coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING .