Exhaust Gas Recirculation: Service and Repair
Exhaust Gas Recirculation System Component Overview
• Replace the self-locking nuts, the seals, the gaskets and clamps.
• Hoses are secured with spring type clamps.
• Hose clip pliers (VAS 6362) or (VAS 6340) are recommended for installing spring clamps.
1 Gasket
• Always replace.
• Pay attention to the installed position.
2 Connecting Pipe
• To remove and install, also loosen the adapter (- item 33 - in the => [ Turbocharger and Components Overview ] Turbocharger and Components Overview) at the turbocharger.
3 to the Adapter
• See - item 33 - in the => [ Turbocharger and Components Overview ] Turbocharger and Components Overview.
4 Seal
• Replace if damaged.
5 Bolt
• 8 Nm
6 Cooler
• For the Exhaust Gas Recirculation (EGR) system.
7 Nut
• 23 Nm
• Installed on the stud bolt (- item 17 - in the => [ Turbocharger and Components Overview ] Turbocharger and Components Overview on the turbocharger.
8 Control Line
• 23 Nm
• Do not change the angles of the control line.
• For the exhaust pressure sensor 1 installed location: near the oil filler tube.
• To loosen at the EGR housing (- item 16 -) remove the EGR filter (- item 9) -.
• Install without tension.
9 Filter
• For EGR system.
10 Nut
• 23 Nm
• Secures the control line to the exhaust manifold/turbocharger, with heat shield to the cylinder head stud.
11 to the Particulate Filter
12 Securing Clamp
• 3.5 Nm
• Always replace.
• Note the installed position, refer to => [ Clamps and Exhaust Gas Temperature Sensor, Installed Position ] Service and Repair.
13 Bolt
• 23 Nm
14 Valve 2 for EGR (N213)
• Mark the installed position before removing.
• Always clean the fitting area on the valve and housing and lubricate lightly if necessary.
15 Coolant Hose
• Make sure it is secure.
• Coolant hose connection diagram. Refer to => [ Coolant Hose Connection Diagram ] [1][2]Cooling System.
16 Housing
• For the EGR system.
17 EGR Temperature Sensor (G98)
• 20 Nm
• Cut off the seal and replace if it is damaged or leaks.
• Follow the tightening specification.
• Removing and installing, refer to => [ EGR Temperature Sensor G98 ] Service and Repair.