Engine Coolant Temperature Sensor -G62-, REMOVING AND INSTALLING

Special tools and workshop equipment required 

• Hose Clip Pliers: VAS6362 

Procedure 

• The engine is cold.

-- Briefly open the coolant reservoir cap -arrow- to reduce the residual pressure in the coolant system.

Fig 1: Identifying Coolant Reservoir Cap

Courtesy of AUDI OF AMERICA, LLC

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Loosen the hose clamp -arrow- and remove the air duct hose.

Fig 2: Loosen Hose Clamp And Remove Air Guide Hose

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1-.

Fig 3: Disconnecting Connector

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-- Place a cloth underneath to catch any escaping coolant.

-- Remove the clip -2- and then remove the Engine Coolant Temperature Sensor -G62-.

• Replace the O-ring after removing.
• Used coolant cannot be used again.

-- To prevent coolant loss, install the new coolant temperature sensor immediately.

-- Install the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Fill with coolant. Refer to COOLANT, DRAINING AND FILLING .