Removing and installing high-pressure sender G65 for air conditioning system — AUDI

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

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• The right section of the plenum chamber front wall (A) is attached to the vehicle by means of the bolts (C) and (D). A gasket (E) is fitted between the plenum chamber front wall and the vehicle body.

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Remove plenum chamber cover General body repairs, exterior50.
2. Remove right section of plenum chamber front wall (A)General body repairs, exterior50. [Note: The right section of the plenum chamber front wall (A) is attached to the vehicle by means of the bolts (C) and (D). A gasket (E) is fitted between the plenum chamber front wall and the vehicle body.]
3. Unplug connector (A).
4. Remove high-pressure sender G65(B) (tightening torque: 5 Nm). — 5 Nm (3.7 lb-ft)
5. Renew O-ring (C) and Electronic parts catalogue. [Note: The cooling output cannot be checked if the high-pressure sender G65 is removed; the front operating and display unit (Climatronic control unit J255) does not switch on the compressor.The refrigerant circuit remains closed (connection with valve).Checking operation of high-pressure sender G65 and signal supplied .Moisten the O-ring (C) with a small quantity of refrigeration oil before fitting .]

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