Volkswagen Workshop Service and Repair Manuals

• Warm air collector plate
• 10 Nm
• ◆ Note tightening sequence
  Page => 26-6 , Fig. 1
• Exhaust manifold
• ◆ With integrated pre-catalyst only engine codes AKP, AUC or AUD
• Gasket
• ◆ Renew
• Lock nut, 25 Nm

• Lambda probe 2 after catalyst (G130)*, 50 Nm
• ◆ Only engine codes AKP, AUC, AUD
• ◆ Checking:

=> Repair group 24; Check functions; Check Lambda probe and Lambda regulation after catalyst

• ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
• ◆ Remove and install with 3337

• To silencer
• Marking
• Connector
• ◆ Only engine codes AKP, AUC, AUD
• ◆ For Lambda probe 2 after catalyst (G130) and Lambda probe heating (Z29)
• ◆ Black, 4-pin

• Front exhaust pipe with catalyst
• ◆ Check catalyst (engine codes AKP, AUC, AUD)
• ◆ Only engine code AKK with ECE standard: uncoated catalyst
• Mounting
• ◆ Renew if damaged
• Locating nut, 40 Nm
• Connector
• ◆ For Lambda probe 1 before catalyst (G39) and Lambda probe heating (Z19)
• Engine codes AKK, ALD:
• ◆ Black,4-pin
• Engine codes AKP, AUC, AUD:
• ◆ Black, 6-pin

• Lambda probe 1 before catalyst (G39)*, 50Nm
• ◆ Checking:

=> Repair group 24; Check functions; Check Lambda probe and Lambda regulation before catalyst

• ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
• ◆ Remove and install with 3337
• ◆ Check Lambda probe dynamics
  (only engine code AKP, AUC, AUD) => Page 26-10 , Checking catalyst
• ◆ Only engine code AKK with ECE standard: lead resistant Lambda probe

• Bracket
• ◆ For electric wiring of Lambda probe 1 before catalyst

Note:

Tighten warm air collector plate in sequence as illustrated to ensure it is installed free of stress.

→ Fig. 1     Tightening sequence, warm air collector plate on exhaust manifold.