Coolant Line/Hose: Description and Operation
Coolant Pipes Overview
Part 1
1 O-ring
• Replace
2 Nut
• 9 Nm
3 Right Coolant Pipe
• Removing and installing, refer to => [ Right Coolant Pipe ] Right Coolant Pipe.
4 Bolt
• 23 Nm
5 Seal
• Replace
6 Bleeder Screw
• 9 Nm
7 Engine Lifting Eye
8 Bolt
• 9 Nm
9 Bolt
• 9 Nm
10 Connection
11 O-ring
• Replace
12 Upper Right Coolant Pipe
• Removing and installing, refer to => [ Upper Right Coolant Pipe ] Upper Right Coolant Pipe.
13 Bolt
14 Engine Cover Ball Stud
15 O-ring
• Replace
16 Connecting Piece
17 Bolt
• 9 Nm
18 Coolant Temperature Sensor (G62)
• 2 Nm
• Removing and installing, refer to => [ Engine Coolant Temperature Sensor ] Service and Repair.
19 O-rings
• Replace
• Note the different diameter.
20 Rear Coolant Pipe
• Removing and installing, refer to => [ Rear Coolant Pipe ] Rear Coolant Pipe.
21 Bolt
• 9 Nm
22 O-ring
• Replace
23 Bolt
• 9 Nm
24 Left Rear Coolant Pipe on Exhaust Gas Recirculation (EGR) Auxiliary Cooler
• Removing and installing, refer to => [ Left Rear Coolant Pipe on Exhaust Gas Recirculation Auxiliary Cooler ] Left Rear Coolant Pipe on Exhaust Gas Recirculation Auxiliary Cooler.
25 Bolt
• 9 Nm
26 O-ring
• Replace
27 Left Rear Coolant Pipe on Transmission
• Removing and installing, refer to => [ Left Rear Coolant Pipe on Transmission ] Left Rear Coolant Pipe on Transmission.
28 Bolt
• 9 Nm
29 Bolt
• 9 Nm
30 Upper Coolant Pipe
• Removing and installing, refer to => [ Upper Coolant Pipe ] Upper Coolant Pipe.
31 Nut
• 9 Nm
32 O-ring
• Replace
Part 2
1 Seals
• Replace
2 Banjo Bolt
• 15 Nm
3 Bolt
• 9 Nm
4 Coolant Pipe
• To the cylinder heads.
5 Coolant Hose
• From the EGR coolant thermostat.
6 Seal
• Replace
7 Bleeder Screw
• 9 Nm
8 Engine Cover Ball Stud
9 Upper Left Coolant Pipe
• Removing and installing, refer to => [ Upper Left Coolant Pipe ] Upper Left Coolant Pipe.
10 Bolt
• 9 Nm
11 Left Rear Coolant Pipe
• Removing and installing, refer to => [ Left Rear Coolant Pipe ] Left Rear Coolant Pipe.
12 Bolt
• 9 Nm
13 Bolt
• 9 Nm
14 Bolt
• 9 Nm
15 Left Coolant Pipe
• Removing and installing, refer to => [ Left Coolant Pipe ] Left Coolant Pipe.
16 Bolt
• 9 Nm
17 O-ring
• Replace