Engine, Installing

2019 Audi S5 Prestige, 2D CoupeSECTION Engine, Installing
WARNING: This page is about a different car, the 2019 Audi A5 Sportback and 2018 Audi A5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required 

  • All special tools listed within Engine, Removing. Refer to ENGINE, REMOVING .

Procedure 

  • Replace the bolts that were tightened with an additional turn after removing them.
  • Replace the self-locking nuts and bolts, gaskets, seals and O-rings after removing.
  • A needle bearing must be installed in the drive plate on vehicles with a manual transmission. Refer to NEEDLE BEARING IN DRIVE PLATE, REPLACING .
  • Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information.
  • During installation, all cable ties must be installed at the same location.
  • Used coolant cannot be used again.

-- Install the engine on the transmission but do not tighten the bolts that connect the transmission to the engine yet. Refer to the appropriate Service Information .

TIP:

Fig 1: Identifying Bolt & Spacer Sleeve
GWWA34-10501Courtesy of AUDI OF AMERICA, LLC

The bolt -2- attaches the starter to the transmission and has an additional spacer sleeve -arrow-.

  • The spacer sleeve must be inserted between the starter and the transmission.

-- Install the starter. Refer to STARTER, REMOVING AND INSTALLING .

-- Release the tension on the : 10-222A/11  .

GWWA10-12037Courtesy of AUDI OF AMERICA, LLC

-- Lower the workshop crane and mount the engine and transmission onto the engine mount.

-- Remove the left and right bolts -2- from the engine mount.

GWWA10-12017Courtesy of AUDI OF AMERICA, LLC

-- Remove the : VAS6100  and : 2024A  .

-- Tighten the bolts that connect the transmission to the engine. Refer to the appropriate Service Information .

Further installation is performed in reverse order of removal, while noting the following:

-- Connect the fuel hose. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Install the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to HEATED OXYGEN SENSOR, REMOVING AND INSTALLING .

-- Tighten the drive axle. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Install the drive axle heat shield. Refer to DRIVE AXLE HEAT SHIELD, REMOVING AND INSTALLING .

-- Install the A/C compressor. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING FROM BRACKET .

-- Install the ribbed belt. Refer to RIBBED BELT, REMOVING AND INSTALLING .

-- Install the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- For the electrical connections and routing, refer to the appropriate Wiring Diagram.

-- Install the catalytic converter. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .

-- Install the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .

-- Install the bracket and the heat shield on the cylinder head. Refer to Fig 3Fig 2.

Fig 2: Heat Shield For Vehicles With Particulate Filter
GWWA15-12175Courtesy of AUDI OF AMERICA, LLC
RENDER: 1.0x

NO RELATED

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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.