Removing and installing valve stem seal: VW Phaeton 3.6 (CHNA, CMVA, CPFA)

🧭 Before you start

Fits: VW Phaeton (3D)

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• Ensure that roller rocker fingers and support elements are not interchanged.
• Tight cotters can be loosened by tapping lightly on lever.

🔧 Engine codes this applies to

📋 Procedure

1. Remove camshafts .
2. Remove roller rocker fingers together with support elements and lay aside on a clean surface. [Note: Ensure that roller rocker fingers and support elements are not interchanged.]
3. Remove spark plugs using spark plug socket and extension3122 B.
4. Set piston of respective cylinder to "“bottom dead centre”".
5. Set-up valve assembly device2036 with adapter plates2036/1 and adjust mounting.

6. Screw adapter T40012/1 into spark plug thread, connect to compressed air line with commercially available adapter and apply constant pressure. At least 6 bar.
7. Remove valve springs using valve leverVW 541/1 A and press tool VW 541/6. [Note: Tight cotters can be loosened by tapping lightly on lever.]
8. Pull off valve stem seals using valve stem seal puller3364.
9. To prevent damage to new valve stem seals, place plastic sleeve (A) on valve stem.
10. Lubricate sealing lip of valve stem seal (B), place it in the valve stem oil seal fitting tool3365 and push carefully onto valve guide.
11. Install camshafts .

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