Testing Y-thermostat: Audi 2.0 (AXA)

🧭 Before you start

Fits: VW Transporter T5 (7H), VW Transporter T5 (7J), VW Transporter T6 (7E), VW Transporter T6 (7F)

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• Check distance (a) from thermostat in cold condition. The distance (a) must be at least 5 mm.
• Place thermostat in hot water. The water must be at least 55 °C.
• Check distance (b) from thermostat in hot condition. The distance (b) must be at least 11 mm.
• The locking lug (1) must engage in the recess (2).

🔧 Engine codes this applies to

📐 19 workshop diagrams for AXA

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Remove Y-thermostat.
2. Pull off locking clip (1).
3. Pull housing (2) off housing (3) slowly and carefully.
4. Check distance (a) from thermostat in cold condition. The distance (a) must be at least 5 mm.
5. Place thermostat in hot water. The water must be at least 55 °C.

6. Check distance (b) from thermostat in hot condition. The distance (b) must be at least 11 mm.
7. Put spring with small diameter onto thermostat.
8. Before assembling, apply coolant to sealing ring (arrow).
9. Observe installation position of housing.
10. The locking lug (1) must engage in the recess (2).

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