Subsequent Work
Information
- Replace 0-rings on the cooling system.
- Clean plug connection and coolant hoses before assembly.
- Remove stoppers before fitting the coolant lines and hoses.
- Fit rear wheels.
440519 REMOVING AND INSTALLING WHEEL - information on "Installing"
- Secure drive shafts -1-
on the transmission flange using new screws -2-
. Counter at the rear wheels.
422119 REMOVING AND INSTALLING DRIVE SHAFT - information on "Installing"
> Initial tightening 40 Nm (29.5 ftlb.) > Final tightening torque angle +110°
Mounting for drive shaft on transmission flange
- Connect cable plugs -1 and 3-
for oxygen sensors downstream of catalytic converter and route and secure cables.
Clip in oxygen sensor cables at retaining clips -2 and 4- .
Connect cable plugs -1 and 3- for oxygen sensor.
Cable plug and cable for oxygen sensor downstream of catalytic converter
1 Left plug connection for oxygen sensor 2 Left retaining clip 3 Right plug connection for oxygen sensor 4 Right retaining clip - Secure differential pressure sensor -1-
at the left and right in the engine compartment.
Fit differential pressure sensor at the holders and clip it in -Arrows- .
Connect cable plug -2- .
Differential pressure sensor in engine compartment
- Route and secure control unit -1-
and exhaust temperature sensor lines in the engine compartment.
Secure cables -3- in the holders -4- .
Release and disconnect cable plug -2- .
Clip in exhaust temperature sensor control unit -1- at the holder.
Exhaust temperature sensor control unit
- Connect engine wire harness at the engine control unit (DME) -1-
.
Connect and lock the three front cable plugs -2- on the engine control unit.
The cable plugs are colour-coded and their position on the control unit is indicated by colored dots.
Engine wire harness on engine control unit (DME)
- Install cover -2-
on engine control unit.
Fit and tighten nuts -1- .
> Tightening torque 9 Nm (6.5 ftlb.)
Cover on engine control unit (DME)
- Insert cable plug for engine wire harness -1-
in the engine compartment at the right and check secure positioning.
Cable plug for main wire harness
- Connect air-conditioning lines -1 and 2-
with new screws and seals in the engine compartment.
874319 REMOVING AND INSTALLING AIR-CONDITIONING COMPRESSOR - CONDENSER REFRIGERANT LINE (SECTION FROM AIR-CONDITIONING COMPRESSOR TO ENGINE COMPARTMENT CONNECTION POINT) - information on "Installing"
Tighten screws -3 and 4- , countering with > 9822 - assembly tool-Arrows- .
> Tightening torque 14 Nm (10.3 ftlb.) → >
Air-conditioning line connections in engine compartment
- Fill up coolant.
193817 DRAINING AND FILLING COOLANT - information on "Filling"
Check all connections on the cooling system that were opened during removal for leaks.
- Install rear spoiler.
66581900 REMOVING AND INSTALLING REAR SPOILER - information on "Installing"
- Install rear apron.
635519 REMOVING AND INSTALLING REAR APRON - information on "Installing"
- Install charge air cooler.
214319 REMOVING AND INSTALLING CHARGE-AIR COOLER - information on "Installing"
- Fit engine-compartment blower.
198119 REMOVING AND INSTALLING ENGINE-COMPARTMENT BLOWER - information on "Installing"
Connect central connector.
- Add refrigerant for air conditioning system.
870317 DRAINING AND FILLING REFRIGERANT R1234YF - information on "Filling"
870317 DRAINING AND FILLING REFRIGERANT R134A - information on "Filling"
- Fit all covers.
- On Cabriolet vehicles: Install support plate.
> Refer to appropriate Service - information on "Installing"
- Install cover for underbody.
> WM, 519319 REMOVING AND INSTALLING CENTRE COVER - information on "Installing"
> WM, 519419 REMOVING AND INSTALLING REAR COVER - information on "Installing"
- Secure battery ground strap.
- Bleed the cooling system according to specifications using the PIWIS Tester .
- Check engine-oil level and top up with new engine oil if necessary.
- Remove protective covers.
- Perform suspension alignment.