Removing and installing thermostat for large cooling circuit — VW

🧭 Before you start

Fits: VW Golf VII (5G, 2012–2020)

• Opens: coolant
• Special tools named: T10527/1
• Renewed: seals

Don't miss

• Do not reuse old coolant.

🔧 Engine codes this applies to

📐 34 workshop diagrams for CHPA

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

📋 Procedure

1. Remove engine cover panel .
2. Drain coolant .
3. Disconnect electrical connector (1) from charge pressure senderGX26. [Note: Ignore (arrows).]
4. Remove line (2) for activated charcoal filter system. To do this, press release buttons on both sides.
5. Move clear line for activated charcoal filter system at air pipe.

6. Release fasteners (arrows) using release tool T10527 and T10527/1.
7. Remove air pipe (1).
8. Disconnect electrical connector (3).
9. Detach coolant expansion tank (1) from bracket. To do this, release catches (2) using a small screwdriver (arrow).
10. Unscrew nuts (2), and remove bracket (1).
11. Remove bolts (arrows) and detach cover (2) from thermostat housing.
12. Using special wrench T10508, turn thermostat in anti-clockwise direction (arrow), and remove it. [Note: Renew seals.]
13. Moisten gasket with coolant.
14. Using special wrench T10508, fit thermostat, push it slightly downwards, and turn it in clockwise direction (arrow) to stop. [Note: Do not reuse old coolant.]
15. Replenish coolant .
16. Fit engine cover panel .

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