Compressor From Bracket, 12 Cylinder
A/C Compressor
Compressor from Bracket, 12 Cylinder
Compressor driven by a ribbed belt
Special tools, testers and auxiliary items required
• Hose Clamps up to Diameter 25 mm (3094)
Removing
- Discharge refrigerant circuit.
- Bring lock carrier into service position.
- Remove left front wheel.
• Secure brake discs using wheel bolts.
• Read notes for removal and installation, as well as commissioning of compressor. Refer to=> [ A/C Compressor ] A/C Compressor
- Remove front part of wheel housing liner at front left.
- Use Hose Clamp (3094) to clamp vane pump return hose.
- Pull off return hose - 1 - from vane pump.
• Ignore - item 2 -.
- Press release buttons and pull both air guide hoses - arrows - at bottom off lower left air filter housing.
- Disconnect electrical harness connector - 3 - for Mass Air Flow (MAF) Sensor 2 (G246).
- Disconnect hose - 2 - from air guide hose.
- Disconnect air guide hose - 1 - at intake manifold.
- Remove bolts - arrows -.
- Remove left upper section of air filter housing.
- Remove air duct - 1 -.
- Remove bolts - arrows -.
- Remove left lower section of air filter housing.
• Place a rag beneath hydraulic pipe to catch escaping hydraulic fluid.
- Remove hydraulic pressure pipe - 2 - at vane pump and put down on top of longitudinal member.
• Ignore - item 1 -.
- Carefully remove engine cover upward starting at rear and in center - arrows 1 -.
- Then pull engine cover forward off intake manifold - arrows 2 -.
- Move tensioner in - direction of arrow - to release tension on ribbed belt.
- Remove ribbed belt from vane pump pulley, release tensioner.
• Ribbed belt remains in position on other pulleys.
- Remove belt pulley for power steering vane pump - arrows -.
- Unscrew bolts - arrows - and remove vane pump.
- Remove bracket for vane pump - arrows -.
• Do not bend or stretch lines or hoses as A/C compressor and refrigerant lines/hoses may be damaged.
- Disconnect refrigerant lines from A/C compressor - arrows -. Refer to=> [ Refrigerant Lines, Disconnecting and Connecting from Compressor ] Removal and Replacement.
- Seal openings in A/C compressor.
- Disconnect electrical connector - 1 -.
- Unscrew bolts - arrows - and remove A/C compressor.
Installing
Installation is carried out in the reverse order, when doing this note the following:
• Read notes for removal and installation, as well as commissioning of compressor. Refer to => [ A/C Compressor ] A/C Compressor
• Replace seals and O-rings.
• Note alignment bushings.
• Secure all hose connections with hose clamps used in series production. .
- Install vane pump.
- Install ribbed belt.
- Install lock carrier with attachments.
- Discharge and fill the refrigerant circuit.
- Check headlamp adjustment.
- Operate the A/C system after filling the refrigerant circuit. Refer to => [ Operating A/C System after Filling Refrigerant Circuit ] Operating A/C System after Filling Refrigerant Circuit
• Note the information regarding operating the A/C system after filling.