Removing and installing left starter catalytic converter — VW

🧭 Before you start

Fits: VW Touareg I (7L, 2002–2010)

• Renewed: seals

Don't miss

• All cable ties which are released or cut open when removing must be fitted in the same position when installing.
• To avoid damage, the flexible joints on the starter catalytic converter must not be bent more than 10°.
• Disregard (item 2).
• Renew seals, gaskets and self-locking nuts.Secure all hose connections with the correct type of hose clips (same as original equipment) EKTA (Electronic Parts Catalogue).Fit all cable ties in the original position when installing.

🔧 Engine codes this applies to

📋 Procedure

1. If fitted, pull off rear engine cover (arrows). [Note: All cable ties which are released or cut open when removing must be fitted in the same position when installing.]
2. If fitted, pull off front engine cover (arrows).
3. Remove complete air filter housing on left side of vehicle .
4. Remove air pipe .
5. Remove electrical connectors (3) for Lambda probe 2 after catalytic converter G131 and (4) for Lambda probe 2G108 from retainer on right suspension strut turret.

6. Disconnect electrical connectors and move electrical wiring free for Lambda probe 2G108 and Lambda probe 2 after catalytic converter G131.
7. Remove screws and remove front (1) and rear (2) noise insulation.
8. Unbolt bracket for noise insulation (arrows). [Note: To avoid damage, the flexible joints on the starter catalytic converter must not be bent more than 10°.]
9. Separate exhaust system at clamp (1). [Note: Disregard (item 2).]
10. Remove bolts (1) and (2) from bracket for left main catalytic converter.
11. Remove nuts (arrows) and remove left main catalytic converter.
12. Remove bolts (1) and (2) and remove bracket for left starter catalytic converter.
13. Remove nuts (1 … 3) and remove left starter catalytic converter [Note: Renew seals, gaskets and self-locking nuts.Secure all hose connections with the correct type of hose clips (same as original equipment) EKTA (Electronic Parts Catalogue).Fit all cable ties in the original position when installing.]
14. Align exhaust system free of tension .

Other VW procedures

• Crankshaft - exploded view · 19 torque figures
• Removing and installing high-pressure pump – VW Passat B8 · 16 torque figures
• Assembly overview - crankshaft · 15 torque figures
• Removing and installing injectors – VW · 11 torque figures
• Removing and installing upper part of sump – VW Touareg I · 11 torque figures
• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures