Engine, installing

2009 Audi A6 BaseSECTION Engine, installing
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order, paying attention to the following:

NOTE:
  • When performing repairs, replace seals, gaskets, self-locking nuts and bolts which have a specified tightening angle.
  • Check whether dowel sleeves for centering engine/transmission in cylinder block have been installed and install if necessary.
  • Push intermediate plate onto dowel sleeves.

Vehicles with manual transmission 

  • Check clutch release bearing for wear and replace if necessary.
  • Lightly grease splines on transmission input shaft with G 000 100. Do not grease guide sleeve for release bearing.
  • If necessary check that clutch plate is properly centered.
  • A needle bearing must be installed in crankshaft on vehicles with manual transmission. Install needle bearing if necessary → Pilot needle bearing in crankshaft, extracting and driving .

Vehicles with automatic transmission 

  • On vehicles with automatic transmission, no needle bearing must be installed in crankshaft. Remove needle bearing if necessary → Pilot needle bearing in crankshaft, extracting and driving .
  • To secure torque converter on drive plate, only use correct bolts
  • Tighten torque converter bolts with Matra V175 15 mm A/F socket attachment.

Checking position of torque converter 

Fig 1: Checking Torque Converter Is Correctly Positioned
GW00006046Courtesy of VOLKSWAGEN UNITED STATES, INC.

If the torque converter has been correctly installed, the distance between bottom contact surfaces at threaded holes in torque converter and joint surface on torque converter bell housing with automatic transmission 01V, is approx. 23 mm.

If torque converter has not been completely inserted, this distance will be approx. 11 mm.

CAUTION: If the torque converter is incorrectly installed, the torque converter drive or the ATF pump will be severely damaged when the transmission is attached to the engine.

All models 

  • Ensure that engine mounts are installed free of mechanical stress. To do so, shake engine to align it before tightening engine mounts.
  • Install air conditioning compressor.
  • Install ribbed belt.

Vehicles with automatic transmission 

Stress-free alignment of exhaust system → Exhaust system - vehicles with front wheel drive, aligning stress-free .

Vehicles up to 06.03 

Fig 2: Disconnecting Fuel Supply Line And Set Aside
GW00017288Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • Tighten union nut of fuel supply line - - to 22 Nm.

Vehicles as of 07.03 

Fig 3: Counterholding Using An Open-End Wrench At Each Hex Head & Unscrew Union Nut
GW00017289Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • Secure fuel hose to connection on fuel rail pipe. To do so, counterhold using an open-end wrench at each hex head - - and - - and tighten union nut - - to 22 Nm.

All 

Electrical connections and routing:

→ Electrical Wiring Diagrams, Troubleshooting and Component Locations

CAUTION: Boost-starting using a battery charger may damage vehicle control modules.

See Caution for connecting Telematics battery → Engine, removing and installing 

  • After connecting battery, enter radio anti-theft code. Radio operating instructions.
  • Use electric window lifters to completely close door windows.
  • Then actuate all window lifter switches again for at least 1 second in "close" position to activate automatic one-touch function.
  • Set clock to correct time.
NOTE:
  • Drained coolant may only be used again if the original cylinder head and cylinder block are re-installed
  • The coolant must not be used again if dirty.
NOTE:
  • Diagnostic Trouble Codes (DTCs) will have been recorded in the DTC memory because connectors have been disconnected. Interrogate and, if necessary, erase DTC memory after installation.

Vehicles with automatic transmission 

All models 

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.