Thermal Management Coolant Temperature Sensor 1 -G902-, REMOVING AND INSTALLING, AUDI Q5

WARNING: This page is about a different car, the 2024 Audi Q5 and 2023 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Shop Crane - Drip Tray:VAS 6208

Fig 1: Identifying Drip Tray
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Procedure

High-voltage system cold.

-- To remove any residual pressure in the cooling system, cut the seal tab -3- and open the coolant expansion tank cap -1- for the high-voltage system cooling circuit.

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-- Slightly lift the seal on the plenum chamber bulkhead and plenum chamber cover from the left side.

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-- Disconnect the connector -1-.

CAUTION:

Collecting coolant and determining volumes.

-- Place the Shop Crane - Drip Tray:VAS 6208 underneath.

-- Remove the bolt -2-, and remove the Thermal Management Coolant Temperature Sensor 1 -G902-.

Allocation of the O-ring/centering ring. Refer to Figure.

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

-- Add the coolant. Refer to COOLANT, ADDING AND COOLING SYSTEM, BLEEDING, HIGH-VOLTAGE SYSTEM COOLING CIRCUIT .

-- Drain and fill the coolant for the high-voltage system cooling circuit only if the coolant loss is greater than 500 ml. Refer to COOLANT, DRAINING, HIGH-VOLTAGE COOLING CIRCUIT and Refer to COOLING SYSTEM, FILLING, HIGH-VOLTAGE SYSTEM COOLING CIRCUIT .

Tightening Specifications

Refer to OVERVIEW - ENGINE/MOTOR COOLANT TEMPERATURE SENSOR, AUDI Q5 WITH HIGH-VOLTAGE SYSTEM, HIGH-VOLTAGE SYSTEM COOLING CIRCUIT