Removing and installing toothed belt pulley for coolant pump, engine codes CPTA, CZEA — VW

🧭 Before you start

Fits: VW Golf VII Variant (BA), VW Golf Sportsvan (AM1, 2014–2020), VW Golf VII (5G, 2012–2020), VW Passat B8 (3G, 2014–), VW Touran II (5T, 2015–)

• Special tools named: T10172/2
• Renewed: o-ring

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• After the toothed belt pulley has been removed, renew the O-ring on the camshaft.
• Pin on camshaft must be positioned in recess on assembly sleeve T10505.
• Do not use any impact tools!Push the toothed belt pulley onto the camshaft only by hand.This prevents the camshaft from being moved in axial direction.

🔧 Engine codes this applies to

📐 4 workshop diagrams for CPTA

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

📋 Procedure

1. Remove coolant pump .
2. Unscrew bolt (1) using counterhold T10172 with adapter T10172/2.
3. Screw in bolt (1) by 3 turns.
4. Tighten bolt (1) for adapter3032/2 while it is positioned in the centre of the elongated hole.
5. Fit puller3032 on toothed belt pulley (1) as shown in illustration.

6. Push adapter3032/1 to stop in (direction of arrow).
7. Tighten bolt (2) hand-tight.
8. Turn bolt (3) in (direction of arrow) until toothed belt pulley has been pulled off. [Note: After the toothed belt pulley has been removed, renew the O-ring on the camshaft.]
9. Guide assembly tool T10498 above camshaft as far as O-ring.
10. Turn assembly tool T10498 to bring point of tool under O-ring - (see illustration).
11. Pull O-ring off camshaft towards front.
12. Fit new O-ring (1) onto stub of camshaft. [Note: Pin on camshaft must be positioned in recess on assembly sleeve T10505.]
13. Fit assembly sleeve T10505 onto camshaft and manually push onto stop (direction of arrow).
14. Remove assembly sleeve T10505. [Note: Do not use any impact tools!Push the toothed belt pulley onto the camshaft only by hand.This prevents the camshaft from being moved in axial direction.]
15. Fit toothed belt pulley (1) onto camshaft (2) so that the dowel pin of camshaft is seated in the hole of toothed belt pulley (arrows).
16. Install coolant pump .

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