Turbocharger Overview
Turbocharger Overview
1 Connecting Pipe
• By pass valve for the Exhaust Gas Recirculation (EGR) auxiliary cooler.
• With catalytic converter.
2 Gasket
• Replace
3 Intermediate Flange
4 Bolt
• 25 Nm
5 O-ring
• Replace
6 Bolt
• 9 Nm
7 Oil Supply Line
• From the cylinder block.
8 Bolt
• 9 Nm
9 Seals
• Replace
10 Banjo Bolt
• 15 Nm
11 Right Charge Air Pipe
12 Charge Air Hose
• From the turbocharger to the right charge air pipe.
13 Bolt
• 9 Nm
14 Damper
• From the Mass Airflow (MAF) sensor (G70) to the turbocharger.
• Must be free of oil and grease before installing.
15 Exhaust Gas Temperature (EGT) Sensor 1 (G235)
• 45 Nm
16 Seal
• Replace if damaged
17 Bolt
• 9 Nm
18 Turbocharger Heat Shield
19 Turbocharger
• Removing and installing, refer to => [ Turbocharger ] Turbocharger.
• With the turbocharger 1 control module (J724).
• Turbocharger 1 control module, removing and installing. Refer to => [ Turbocharger 1 Control Module ] Service and Repair.
20 Bolt
• 30 Nm + 90° (1/4) additional turn.
• Replace
• Lubricate with hot bolt paste (052 112 A3). Refer to the parts catalog.
21 Gasket
• Replace
22 Primary Catalytic Converter
23 Nut
• 23 Nm
• Replace
• Lubricate with hot bolt paste (052 112 A3). Refer to the parts catalog.
24 Gasket
• Replace
25 Bolt
• Pre-tighten to 7 Nm
• Then tighten to 9 Nm
• Lubricate with hot bolt paste (052 112 A3). Refer to the parts catalog.
26 Upper Oil Return Line
• From the turbocharger.
27 Bolt
• 9 Nm
28 Lower Oil Return Line
• To the cylinder block.
29 O-rings
• Replace
30 Bolt
• 9 Nm
31 Gasket
• Replace
32 Intermediate Pipe
• Removing and installing, refer to one of the following:
=> [ Left Intermediate Pipe ] Left Intermediate Pipe.
=> [ Right Intermediate Pipe ] Right Intermediate Pipe.
33 Bolt
• 30 Nm + 90° (1/4) additional turn
• Replace
• Lubricate with hot bolt paste (052 112 A3). Refer to the parts catalog.
34 Gasket
• Replace
35 Bolt
• 25 Nm
36 Bolt
• 9 Nm