261219 Removing And Installing Heat Shield - Turbo

WM 261219 Removing and installing heat shield - Turbo

Tools





Technical values






Preliminary work

CAUTION

Hot components

- Risk of burns

-> Let hot components cool down.
-> Wear personal protective gear.

1. Remove rear apron.
-> 635519 Removing and installing rear apron .
2. Remove charge air cooler.
-> 214319 Removing and installing charge air cooler.
3. Remove heat shield on catalytic converter.
-> 635019 Removing and installing rear bumper 635019 Removing and installing rear bumper.

Removing heat shield

Removing heat shield on cylinder bank 1-3

Information

Specifications for wrench sizes (a/f specifications) for screw heads are described as follows:

- Torx screws: (E.) for external Torx, (T.) for internal Torx.

- Hexagon-head bolts (internal and external hexagon): Wrench size (a/f)

1. Loosen intake air line at the turbocharger.
1.1. Unscrew two external Torx screws (E10, M6 x 30) -2- , remove cover -1- and pull off the cable plug on the electronic adjuster.





Electronic adjuster cover on cylinder bank 1-3

1.2. Pull intake air line out of the turbocharger. Check O-ring and replace it if necessary.
2. Unscrew two fastening screws (E10, M6 x 12) -1-.
Tool recommendation: Ratchet wrench, a/f 8 with E10 insert from tool set insert for torque wrench 9792
2.1. Unclip electric line -2- for exhaust temperature sensor at the heat shield.





Heat shield on cylinder bank 1-3

3. Pull heat shield out in direction of travel.

Removing heat shield on cylinder bank 4-6

Information

Specifications for wrench sizes (a/f specifications) for screw heads are described as follows:

- Torx screws: (E.) for external Torx, (T.) for internal Torx.

- Hexagon-head bolts (internal and external hexagon): Wrench size (a/f)

1. Unscrew two fastening screws (E10, M6 x 12) -arrows-.
Tool recommendation: Ratchet wrench, a/f 8 with E10 insert from tool set insert for torque wrench 9792





Heat shield on cylinder bank 4-6

2. Guide the heat shield down at a slant in direction of travel and remove it -arrows-.





Removing heat shield on cylinder bank 4-6

Installing heat shield

Installing heat shield on cylinder bank 1-3

1. Slide heat shield between the turbocharger and cylinder head and secure with two fastening screws (E10, M6 x 12) -1-.
Tool recommendation: Ratchet wrench, a/f 8 with E10 insert from tool set insert for torque wrench 9792
1.1. Tighten the screws. To do this, insert the E10 insert into the torque wrench.
=> Tightening torque: 10 Nm (7.5 ftlb.)
2. Clip in electric line -2- for exhaust temperature sensor at the heat shield.





Heat shield on cylinder bank 1-3

3. Fit intake air line with electronic adjuster cover.
3.1. Grease O-ring on the intake air line with a light coating of Kluber Syntheso Glep (Part No. 000.043.204.68).
3.2. Fit intake air line, fit cable plug on the electronic adjuster and fit cover using two external Torx screws (E10, M6 x 30).
3.3. Tighten the screws.
=> Tightening torque: 10 Nm (7.5 ftlb.)

Installing heat shield on cylinder bank 4-6

1. Slide the heat shield at a slant between the turbocharger and cylinder head from underneath.





Fitting heat shield on cylinder bank 4-6

2. Fit and tighten two fastening screws (E10, M6 x 12) -arrows-.
=> Tightening torque: 10 Nm (7.5 ftlb.)





Heat shield on cylinder bank 4-6

Subsequent work

1. Install heat shield on catalytic converter.
-> 635019 Removing and installing rear bumper 635019 Removing and installing rear bumper.
2. Install charge air cooler.
-> 214319 Removing and installing charge air cooler.
3. Install the rear apron.
-> 635519 Removing and installing rear apron .