Omega B
Field Remedy: 1399
Remedy:I: Preparation of an A-pillar check link carrier and an A-pillar inner reinforcement plate. II: Replacement of the A-pillar check link carrier. III: Repair of the crack in the A-pillar. Note: For each A-pillar check link carrier repair side is required: 1 A-pillar check link carrier - left side 1 A-pillar check link carrier - right side 4 Fixing screws 4 Fixing nuts The A-pillar reinforcement plate must be made from the A-pillar carrier of the respective other side. Working procedure: I: Preparation of an A-pillar check link carrier and an A-pillar inner reinforcement plate Important: When preparing the A-pillar check link carrier and the A-pillar inner reinforcement plate, the dimensions must be meticulously kept and the bores must be made exactly; otherwise, problems may arise during the installation of the check link to the A-pillar check link carrier. 1. Scribe the A-pillar check link carrier (dimension "I" 7 mm, dimension "II" 8 mm, dimension "III" 6,5 mm) and punch it (picture I). 2. Predrill the A-pillar check link carrier 4 times (diameter 3 mm). 3. Rebore the A-pillar check link carrier 4 times (diameter 6,5 mm). 4. Debur the bores. 5. Align the A-pillar check link carrier and the A-pillar inner reinforcement plate to each other (the A-pillar check link carrier serves as drill template). 6. Mount the A-pillar check link carrier and an A-pillar inner reinforcement plate into the vice of the stationary drilling machine. 7. Drill the A-pillar inner reinforcement plate through the A-pillar check link plate (diameter 6.5 mm). 8. Debur the bores. 9. Remove the surface-coating in the welding area of the A-pillar inner reinforcement plate with emery cloth or a file. 10. Remove the surface-coating in the welding area of the fixing nuts with emery cloth or a file. 11. Mount the A-pillar check link carrier and the A-pillar inner reinforcement plate with fixing screws and fixing nuts, join these by screwing hand-tight. Note: Locate the fixing nuts on the side of the A-pillar inner reinforcement plate. 12. Fix the fixing nuts with two welding points each to the A-pillar inner reinforcement plate (picture II). 13. Remove the fixing screws. II: Replacement of the A-pillar check link carrier Note: Be aware of the mounting position of the A-pillar check link carrier: The big bore points upwards. Be aware of the mounting position of the A-pillar inner reinforcement plate: The big bore points upwards. 1. Remove the front door - see working procedure "Front or Rear Door, Remove and Install", group "A", Service Instruction Omega-B. 2. Only driver side: Remove driver side mixed air nozzle housing - see working procedure "Mixed Air Nozzle Housing, Drivers Side, Remove and Install", group "D", Service Instruction Omega-B. 3. Only passenger side: Remove passenger side mixed air nozzle housing - see working procedure "Mixed Air Nozzle Housing, Passengers Side, Remove and Install", group "D", Service Instruction Omega-B. 4. Remove the front door sealing in the A-pillar area. 5. Remove the front door wiring harness sealing through the A-pillar to the inside. 6. Scribe the position of the A-pillar check link carrier on the A-pillar. 7. Drill out the 4 welding points of the A-pillar check link carrier with a welding point drill (picture III). 8. Remove the A-pillar check link carrier. 9. If necessary, adjust or repair the A-pillar (A-pillar repair see working procedure "III"). 10. Grind the A-pillar naked in the area of the A-pillar check link carrier using an angle grinder. 11. Install the front door. 12. Install a new A-pillar check link carrier to the check link. 13. Determine the position of the A-pillar check link carrier and fix the A-pillar check link carrier with three welding points to the A-pillar (picture IV)(prior to this, grind the welding areas of the A-pillar check link carrier naked). 14. Remove front door. 15. Drill 4 bores into the A-pillar through the A-pillar check link carrier (diameter 6.5 mm). 16. Grind the welding points off the A-pillar check link carrier. 17. Remove the A-pillar check link carrier. 18. Debur the bores. 19. Paint the A-pillar, the A-pillar check link carrier and the A-pillar inner reinforcement plate. 20. Remove the A-pillar lower interior lining - see working procedure "Inner Panelling - Lower A-pillar", group "C", Service Instruction Omega-B. 21. Remove the front door wiring harness from the A-pillar and pull it out to the inside. 22. Fix retaining band to the A-pillar inner reinforcement plate (in order to avoid rattling noise, do not use welding wire or cables) (picture V). 23. Insert the A-pillar inner reinforcement plate, through the opening of the front door wiring harness, into the A-pillar. 24. Install the A-pillar check link carrier to the A-pillar using new fixing screws – tightening torque 10 Nm (use locking compound). 25. Cut off as much of the retaining band as possible. 26. Apply cavity protection to the inner A-pillar. 27. Route the front door wiring harness and install it to the A-pillar. 28. Install the A-pillar lower interior lining - see working procedure "Inner Panelling - Lower A-pillar", group "C", Service Instruction Omega-B. 29. Install the inner and outer front door wiring harness sealing to the A-pillar. Note: Observe the mounting position – the arrow must point upwards. 30. Install the front door sealing. 31. Only driver side: Install driver side mixed air nozzle housing - see working procedure "Mixed Air Nozzle Housing, Drivers Side, Remove and Install", group "D", Service Instruction Omega-B. 32. Only passenger side: Install passenger side mixed air nozzle housing - see working procedure "Mixed Air Nozzle Housing, Passengers Side, Remove and Install", group "D", Service Instruction Omega-B. 33. Install front door - see working procedure "Front or Rear Door, Remove and install", group "A", Service Instruction Omega-B. III: Repair of the crack in the A-pillar 1. Bore through the ends of the crack (diameter 2.5 mm). 2. Weld the crack and the bores. 3. Grind the repaired area. Parts: Part-No.: Catalog-No.: 1 A-pillar check link carrier 90568535 90 01 095 - left side 1 A-pillar check link carrier 90568536 90 01 094 - right side 4 Fixing screws 11093871 20 35 600 4 Fixing nuts 11011418 20 64 155 Labour Times: TC: Hours: T 8 139 90 Repair of A-pillar 90 5.1 check link carrier T 8 139 91 Paint and finish 90 2.6 works The costs for this repair will be covered for vehicles not older than 3 years and a mileage lower than 100.000 km. The regular warranty procedure should be used for claiming Set-up-time.
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