Removing and installing upper valve timing housing: VW Jetta VI 1.2 (CBZB)

🧭 Before you start

Fits: VW Jetta VI (16, 2010–2018)

• Opens: coolant

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• Clean sealing surfaces thoroughly. They must be free of oil and grease.

🔧 Engine codes this applies to

📋 Procedure

1. Drain coolant from engine cooling system and charge air cooling system .
2. Open spring-type clips and pull coolant hoses (1) and (2) off.
3. Press locking mechanism (3) under the coolant hoses and pull hoses off upwards.
4. Place coolant hoses towards rear.
5. Undo and remove all bolts from the valve timing housing cover (1).

6. Remove valve timing housing cover.
7. To improve guidance of valve timing housing cover, screw 2 studs M 6 x 70 (1) into cylinder head cover. [Note: The installation procedure must not be allowed to exceed 6 minutes from the moment when the sealant is applied to the point when the securing bolts are tightened.The sealant starts to harden after 6 minutes.Note that the securing bolts are tightened in 2 stages.]
8. Clean sealing surfaces thoroughly. They must be free of oil and grease.
9. Apply silicone sealant(1) to the sealing surface.
10. Apply a little extra sealant in area of (arrows).
11. Place valve timing housing cover (1) onto studs (2).
12. Unscrew studs, and screw in securing bolts hand-tight.
13. Push clamp (3) into bracket from top as far as it will go.
14. Push on coolant hoses and secure spring-type clips (1) and (2) using spring-type clip pliers.
15. Replenish coolant .

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