Right coolant pipe, removing and installing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 Audi S4, 2008 Audi S4, 2007 Audi S4, 2006 Audi S4, and 2005 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.
Special tools, testers and auxiliary items required
- Engine support bridge 10-222 A
- Shackle 10-222 A/12
- Hose clamp pliers VAS 6340
- Insert pad for front fender T40045
Removing
NOTE:
- All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.
- Drain coolant → Cooling system, draining and filling .
- Bring lock carrier into service position → Lock carrier, moving into service position .
- Remove wiring harness bracket at right engine console - arrows -.
- Remove lower nut - 1 - on right engine mount.
NOTE:
- Ignore - 2 -.
- Remove rear engine cover - arrows -.
- Remove front engine cover - arrows 1 and 2 -.
- Remove cover - 1 - in engine compartment (right side).
- Disengage Evaporative Emission (EVAP) Canister Purge Regulator Valve N80 - item 1 - from air guide.
- Remove bolts - arrows -.
- Remove air duct - 2 -.
CAUTION:
Note rules of cleanliness for working on the fuel injection system →
Rules for cleanliness .
CAUTION:
Fuel system is under pressure! Before opening system, place rags around connection area. Then release pressure by carefully loosening connection.
- Remove fuel hose from connection on fuel rail line. To do so, counter hold using an open-end wrench at hex head - 1 - and - 3 - and remove union nut - 2 -.
Fig 9: Identifying Electrical Harness Connectors, Secondary Air Injection (AIR) Pump Hose, Air Guide Hose & Mass Air Flow (MAF) Sensor
- Disconnect electrical harness connector - 2 - from Evaporative Emission (EVAP) Canister Purge Regulator Valve N80.
- Disconnect electrical harness connector - 3 - at Mass Air Flow (MAF) Sensor G70.
- Disconnect hose - 1 - to Secondary Air Injection (AIR) pump.
- Disconnect air guide hose - 4 - at Mass Air Flow (MAF) sensor.
- Move wiring harness clear at air filter housing.
- Remove clip and remove air filter housing with Mass Air Flow (MAF) sensor.
- Disconnect vacuum hose - 1 -.
- Disconnect air guide hose - 2 - from throttle valve control module.
- Disconnect vacuum hose - arrow - from intake manifold.
- Disconnect hose for crankcase ventilation from right cylinder head cover - arrow -.
- Remove electrical harness connectors - 1 to 4 - from bracket at right of bulkhead.
- Free up cables.
- Secure shackle 10-222 A/12 to right rear engine lifting eyelet.
NOTE:
- Ignore - 1 -.
- Position engine support bridge 10-222 A onto bolted flange of fenders.
- Engage shackle 10-222 A/12 on spindle of engine support bridge 10-222 A.
- Raise engine slightly using spindle on engine support bridge.
- Disconnect top coolant hose - arrow - from radiator.
- Disconnect air hose - arrow - to combination valves for Secondary Air Injection (AIR).
- Remove bolts - 1 - and - 2 -.
- Loosen hose clamps - arrows - and remove right coolant pipe from coolant hoses.
- If necessary, remove engine support bridge to remove coolant pipe.
Installing
Installation is in reverse order of removal, note the following:
NOTE:
- Secure all hose connections using hose clamps appropriate for the model type .
- During installation, all cable ties must be re-installed at the same location.
- Secure fuel hose to connection on fuel rail line. To do so, counter hold using an open-end wrench at each hex head - 1 - and - 3 - and tighten union nut - 2 - to 22 Nm.
- Install lock carrier with attachments →
- 50 BODY, FRONT
- 50 - BODY - FRONT for BODY EXTERIOR - CABRIOLET
- Place torque support on rubber buffer for torque support and tighten bolts - arrows -.
- Install front bumper cover →
- 63 BUMPER
- 63 - BUMPERS for BODY EXTERIOR - CABRIOLET
- Fill with coolant Filling .
- Check headlight adjustment →
- 01 - MAINTENANCE
- 01 - MAINTENANCE for MAINTENANCE PROCEDURES - CABRIOLET
Torque specifications
| Component | Nm |
|---|---|
| Right coolant pipe to cylinder head | 10 |
| Left engine mount to engine console | 23 |
| Oil pipes to rear air guide pipe | 10 |
| Fuel supply line to fuel rail | 22 |
| Torque support stop to lock carrier | 28 |