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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 463 Chassis >> Testing & Repair >> Remove/Install Right Water-Cooled Charge Air Cooler >> Remove/Install Right Water-Cooled Charge Air Cooler - AR09.41-P-6828MNF

Remove/Install Right Water-Cooled Charge Air Cooler - AR09.41-P-6828MNF

Engine 176 in model 463 

up to model year 2019 

G13656421Courtesy of MERCEDES-BENZ USA
G13656422Courtesy of MERCEDES-BENZ USA
  Notes on threaded connections with aluminum screws/bolts   AH00.00-P-0006-01RM
REMOVINGINSTALLING Remove/install     
1 Drain coolant from low-temperature circuit   AR09.41-P-6834MNF 
2 Remove left-hand air filter housing   AR09.10-P-1150MNA 
3 Remove right air filter housing   AR09.10-P-1150MNA 
4 Remove left engine air intake duct upstream of air filter    
5 Remove right engine air intake duct upstream of left air filter    
6 Detach hoses (1) on left charge air cooler (3) and on right charge air cooler (2) SPECIAL TOOL Hose clamp pliers Fig 1
7 Remove fan unit   AR20.40-P-5050MNF
8 Remove coolant line (4)   AR20.20-P-7442MNA
9 Remove right charge air distributor   AR09.41-P-8683MNF 
10 Detach wiring harness on alternator   AR15.40-P-5032-01MNA
    TORQUE SPECIFICATION Nut, positive line to alternator *BA15.40-P-1003-01T 
11 Detach alternator and place to one side with the lines connected   AR15.40-P-5032MNF
12 Remove screw/bolts (5) on engine wiring harness (6) of the right charge air cooler (2)    
13 Remove screw/bolt (7) of engine wiring harness at right cylinder head cover TORQUE SPECIFICATION Bolt, engine wiring harness to cylinder head cover *BA15.18-P-1001-01G 
14 Remove screw/bolt (8) from engine wiring harness on left charge air cooler    
15 Remove screw/bolt (9) of engine wiring harness at left cylinder head cover TORQUE SPECIFICATION Bolt, engine wiring harness to cylinder head cover *BA15.18-P-1001-01G 
16 Disconnect electrical connection for Hall sensor of crankshaft   AR15.12-P-2136MNA
17 Disconnect electrical connections for right knock sensors   AR15.12-P-2184MNF
18 Disconnect electrical connection of oil pressure switch    
19 Disconnect electrical connection for engine oil temperature sensor   AR18.40-P-4124MNA
20 Disconnect electrical connection of fill level sensor of engine oil   AR18.40-P-5116MNA
21 Unclip front electrical wiring harness at oil pan and crankcase    
22 Disconnect electrical connection for right throttle valve actuator   AR09.41-P-1330MNA 
23 Detach engine wiring harness (6) on bracket o right charge air cooler (2)    
24 Remove screw/bolts (10)    
25 Disconnect electrical connection (11)    
26 Disconnect electrical connection of left and right circulating air switchover valve   AR09.40-P-3000MNF 
27 Disconnect electrical connection for right boost pressure sensor upstream of throttle valve   AR09.41-P-0003MNF 
28 Detach coolant hose (12) at coolant line (13) SPECIAL TOOL Hose clamp pliers Fig 1
29 Disconnect electrical connections for solenoids of camshafts at right cylinder bank   AR05.20-P-7295MNA
30 Place engine wiring harness (6) to one side    
31 Detach purge line (14) from the right charge air cooler (2)    
32 Unclip vacuum line (15) on right charge air cooler (2) and place to one side    
33 Unclip vent line (16) at lower low-temperature circuit coolant expansion reservoir    
34 Open mounting clamp (18) SPECIAL TOOL Hose clamp pliers Fig 1
35 Unfasten mounting clamp of the charge air hose (19) on right charge air cooler (2)    
36 Remove bracket for right charge air cooler (2) TORQUE SPECIFICATION Bolt, upper charge air cooler bracket to charge air cooler/chain case cover *BA09.41-P-1006-01X 
37 Carefully pry out right charge air cooler (2) upwards out of brackets and remove to the front INSTALLATION IMPORTANT : Ensure correct seating of the right charge air cooler (2) in the brackets.  
38 Remove right boost pressure sensor upstream of throttle valve When replacing the right charge air cooler (2). AR09.41-P-0003MNF 
39 Detach right throttle valve actuator together with hose (17) from the right charge air cooler (2) When replacing the right charge air cooler (2). AR09.41-P-1330MNA 
40 Open mounting clamp (20) and remove coolant line (13) from right charge air cooler (2) When replacing the right charge air cooler (2).
INSTALLATION IMPORTANT : Replace mounting clamp (20) and seal.
 
41 Remove right circulating air switchover valve When replacing the right charge air cooler (2). AR09.40-P-3000MNF 
42 Install in the reverse order    
CHARGE AIR LINE/CHARGE AIR COOLING

Number Designation Engine 176
BA09.41-P-1006-01X Bolt, upper charge air cooler bracket to charge air cooler/chain case cover Nm 9
ENGINE WIRING HARNESS

Number Designation Engine 176
BA15.18-P-1001-01G Bolt, engine wiring harness to cylinder head cover Nm 9
ALTERNATOR

Number Designation Engine 176
BA15.40-P-1003-01T Nut, positive line to alternator Nm 16
Fig 1: Identifying Hose Clamp Pliers (003 589 03 37 00)
G13656423Courtesy of MERCEDES-BENZ USA