LI83.50-N-059306
Service Bulletin Details
Public Details for: LI83.50-N-059306
Water entry into vehicle interior through roof air conditioner (h08).
Models from 9999
9999 MERCEDES-BENZ SPRINTER 906 |
Models from 2011
2011 MERCEDES-BENZ SPRINTER 906 |
Models from 2010
2010 MERCEDES-BENZ SPRINTER 906 |
Water entry into vehicle interior through roof air conditioner (H08) Topic number LI83.50-N-059306 Version 1 Design group 83.50 Rear air conditioning Date 07-08-2014 Validity TYP 906.6/7 with CODE H08 Reason for change Reason for block Complaint: Water entry into vehicle interior through roof air conditioner (H08). Cause: Water entry between evaporator unit and vehicle roof. Entry of condensation due to unfavorable pressure conditions. Remedy: 1. Drain roof air conditioner. The following safety information and notes must be observed: AS83.00-Z-0001-01A, AH83.30-N-0004-01A, AH83.30-N-0003-01A. Note: Protect air conditioning circuit and components from moisture when carrying out repair work. Note: The test and filler connections of the refrigerant circuit of the roof air conditioner are located on the right of the longitudinal member in the engine compartment (viewed in direction of travel) (see picture 01.jpg). Info: To do so, unscrew the protective caps (30 and 31) on the test and filler connection of the high-pressure line (C) and low-pressure line (D) (see picture 01.jpg). Connect AC service unit (R134a AC service unit, gotis://E_83_05.0) (see picture 01.jpg) and extract refrigerant. Note down the quantity of compressor oil extracted. 2. Disconnect AC service unit (R134a AC service unit, gotis://E_83_05.0) and screw on protective caps (30 and 31) on test and filler connection of high-pressure line (C) and low-pressure line (D) (see picture 01.jpg). 3. Remove interior cover of evaporator unit (see AR83.50-D-5010B). 4. Remove air duct of air conditioning (roof equipment) (see AR83.50-D-4000-01B). 5. Replace AAC control and operating unit (S98) (see AR83.25-D-1124C). 6. Remove center headliner (17) (see picture 03.jpg and picture 04.jpg). Note: Picture and information illustrate/describe vehicle with CODE D03 (High roof), CODE T16 (Right sliding door) and CODE FY1 (Interior protection). Info: To do so, unclip interior sensor (M) and disconnect electrical connector. Partially unclip B-pillar trim on driver side and passenger side (21 and 20) in upper area (see AR68.30-D-4700A). Unclip clips (19) of front headliner (16) in rear area. Remove expansion rivets (18) of center headliner (17) in front area. Unclip clips (22) of center headliner (17) in rear area and in area of evaporator unit. Remove expansion rivet (15) on passenger-side C-pillar. In order to unhook the center headliner (17) from the body and remove it, press the center headliner (17) upwards with a plastic wedge 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 1/10 and pull it slightly inwards in the process. This should be done on the left (viewed in direction of travel) between each of the cutouts of the center headliner (17) (see picture 04.jpg (green arrows). 7. Remove refrigerant lines (G and H) from expansion valve (see picture 05.jpg). Info: To do so, remove insulation (2) in connection area of refrigerant lines (G and H). Remove nuts (3 and 4) and detach refrigerant lines (G and H) from expansion valve. Important: Seal the openings on the expansion valve and on the refrigerant lines (G and H) with stop plugs (W129 589 00 91 00), otherwise damage can be caused by moisture entering. 8. Unclip clips (K) which attach condensation hose (F) to rear AAC air recirculation unit (A32/3) and disconnect condensation hoses (F and E) from rear AAC air recirculation unit (A32/3) (see picture 05.jpg). 9. Remove cable ties (5), disconnect electrical connectors (6, 7 and 8) on rear AAC air recirculation unit (A32/3) and unclip retaining clip (1) (see picture 05.jpg). 10. Remove mounting screws/bolts of rear AAC air recirculation unit (A32/3) and remove frame (see picture 06.jpg). 11. Remove outer cover on condenser unit (see AR83.50-D-5000B). Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 12. Remove left (12) and right (10) air grilles. Unscrew nut (14) of refrigerant line (9) on strut (11). Remove screws/ bolts (13) on left and right of strut (11). Remove strut (11) (see picture 07.jpg). Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 13. Remove rear AAC air recirculation unit (A32/3). Info: Have a second person help you. Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 14. Clean roof panel in area of contact surface of rear AAC air recirculation unit (A32/3) with approved MB cleaning agents. Important: The surface of the sealing area must be clean and free of grease. Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 15. Replace sealing frame (23) on rear AAC air recirculation unit (A32/3) (see picture 08.jpg) (only use the specified part number). Info: To do so, remove the old sealing frame (23) and clean bonding area for new sealing frame (23) on rear AAC air recirculation unit (A32/3). Start by bonding the shorter sealing frame section (23) at the position indicated (see red arrow) (see picture 08.jpg). Only remove as much protective foil of the sealing frame (23) as can be stuck on in one go. Make sure you avoid getting the adhesive side of the sealing frame (23) dirty. The joints of the sealing frame (23) must not be in the radius area. The sealing frame (23) must not be separated from/have a gap (26) between the end stop/edge (see picture 08.jpg). If the sealing frame (23) is too long, the joint must be shortened accordingly to match the original L-shape. Note: Stick on sealing frame (23) without tension otherwise the sealing cross-section is reduced. 16. Insert rear AAC air recirculation unit (A32/3) in vehicle roof and align (see picture 09.jpg). Info: The rear AAC air recirculation unit (A32/3) is aligned based on the end stops (27 and 28) (in direction of travel) and end stop (29) (passenger-side). These must contact the roof cutout (see picture 09.jpg). 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 2/10 Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 17. Install installation frame (see picture 06.jpg). Important: Make sure you observe the torque (4 Nm) and tightening sequence (see picture 06.jpg), arrow (blue) indicates direction of travel. 18. Replace fluid reservoir (see AR83.50-D-5080B). Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 19. Install strut (11). Tighten screws/bolts (13) on left and right of strut (11) to specified torque (13.5 Nm). Screw on nut (14) of refrigerant line (9) on strut (11). Install left air grille (12) and right air grille (10) (see picture 07.jpg). Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 20. Install outer cover on condenser unit (see AR83.50-D-5000B). Warning: Use a suitable working platform for the specified work. If persons or materials fall from the vehicle roof, there is a risk of injury or even death. 21. Install condensation hoses (E and F) on rear AAC air recirculation unit (A32/3) (see picture 05.jpg). 22. Check drain hoses for condensation for unobstructed flow (see picture 02.jpg). Info: To do so, introduce water through the opening on the filter of the rear AAC air recirculation unit (A32/3) with a hose (34). Water must be seen exiting the outlet points (32 and 33) of the condensation hoses, otherwise the water drainage system must be reworked. 23. Perform a rain test for a period of at least 10 minutes. Note: If water again enters the vehicle interior, create a TIPS case to clarify the further procedure. 24. Connect electrical connectors (6, 7 and 8) on rear AAC air recirculation unit (A32/3), fit cable ties (5) and clip in retaining clip (1) (see picture 05.jpg). 25. Install refrigerant lines (G and H) on expansion valve. Important: Replace sealing rings and observe torque of threaded connections (6 Nm). 26. Refit insulation (2) in area of expansion valve and refrigerant lines (G and H). 27. Remove protective caps (30 and 31) on test and filler connection of high-pressure line (C) and low-pressure line (B). Connect AC service unit (R134a AC service unit, gotis://E_83_05.0). 28. Evacuate the roof air conditioner, fill it and then check for proper operation and leaks. Note: Observe the compressor oil quantity noted down earlier. If the quantity of compressor oil is measured incorrectly, the refrigerant compressor can be damaged. Info: Observe BF83.30-N-1003-01H, BF83.30-N-1001-01H, AS00.00-Z-0005-01A. 29. Disconnect AC service unit (R134a AC service unit, gotis://E_83_05.0) and screw on protective caps (30 and 31) on test and filler connection of high-pressure line (C) and low-pressure line (D) (see picture 01.jpg). 30. Replace dust filter of roof air conditioner (see AP83.50-D-8386H). 31. Install center headliner (17) (see picture 03.jpg and picture 04.jpg). 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 3/10 32. Install air duct of roof air conditioner (see AR83.50-D-4000-01B). 33. Install interior cover of evaporator unit (see AR83.50-D-5010B). Attachments File Description 01.jpg Drain roof air conditioning, evacuate and recharge the system and check for operation and leaks 02.jpg Water drain hoses 03.jpg Center headliner 04.jpg Center headliner 05.jpg Air circulation unit (A32 / 3) Connections 06.jpg Remove mounting screws/bolts of rear Air circulation unit (A32/3) 07.jpg Condenser Unit 08.jpg Install seal for the Air circulation unit (A32/3) 09.jpg Reinstall Air circulation unit (A32/3) Symptoms Body / Body/Cab / Body sealing / Water entry Parts Part number ES1 ES2 Designation Quantity Note EPC Other make part A 000 835 22 00 Sealing Frame (Bottom) 1 Two-piece seal. Bond the edges of the seal on the straight edge of housing. X A 013 997 42 45 Sealing Ring 1 Check EPC X A 013 997 40 45 Sealing Ring 1 Check EPC X A 001 835 87 47 Filter Mat 1 A 020 997 76 45 O-Ring 1 A 140 997 06 45 Sealing Ring 1 A 001 835 90 47 Dryer Cartridge 1 Up to VIN: E 035949 date: 10/ 31/2008 Up to VIN: S 260881 date: 01/ 11/2008 X A 002 835 09 47 Drying Insert 1 From VIN: E 035950 date: 10/ 31/2008 From VIN: S 260882 date: 01/ 11/2008 X A 002 997 24 90 Cable Tie 1 X A 906 906 33 00 Operating Unit 1 X X Check EPC X X Work units 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 4/10 Op. no. Operation text Time 83-1770 DRAIN, EVACUATE AND REFILL A/C SYSTEM FOR PROPER OPERATION AND LEAKS (ROOF AIR CONDITIONING) Damage code Note 83673 04 WIS-References Document number Title AS83.00-Z-0001-01A Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning cuased by inhaling overheated refirgerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant. Remedy AR83.30-D-1760D Drain, evacuate, and recharge air conditioning, check for proper operation and check for leaks Remedy AR83.50-D-5010B Remove/install evaporate unit paneling Remedy AR83.50-D-5000B Remove/install condenser unit paneling Remedy AR83.50-D-5080B Remove/install the air contitioning's fluid reservoir (roof equipment) Remedy AR83.50-D-4000-01B Remove/install the air duct for the air conditioning (roof equipment) Remedy AH83.30-N-0004-01A Procedure for a damaged or leaky air conditioning system Remedy AH83.30-N-0005-01A Protect air conditioning circuit and components from moisture when carrying out repair work Remedy AH83.30-N-0003-01A Notes on handling refigerant R134a Remedy BF83.30-N-1003-01H Total compressor oil filling capacity of air conditioning system (including AC compressor) Remedy BF83.30-N-1001-01H Total filling capacity, refrigerant Remedy AS00.00-Z-0005-01A Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resul- Remedy 07-08-2014 4:22 PM © Copyright Daimler AG Note RGHAZIZ Allocation Page 5/10 ting from working on the engine while it is being started or when it is running. AR68.30-D-4700A Remove/install paneling on B-pillar Remedy AR83.25-D-1124C Remove and install air conditioning control and operating unit Remedy Validity Vehicle Engine Transmission Sprinter III * * Attachments 01.jpg: 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 6/10 02.jpg: 03.jpg: 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 7/10 04.jpg: 05.jpg: 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 8/10 06.jpg: 07.jpg: 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 9/10 08.jpg: 09.jpg: 07-08-2014 4:22 PM © Copyright Daimler AG RGHAZIZ Page 10/10