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Home >> Mercedes Benz >> 2021 >> G63 AMG >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Mixture Formation - 463 Chassis (3 Of 4) >> Testing & Repair >> Remove/Install Center Low-Pressure Fuel Line - AR07.03-P-1131XGC

Remove/Install Center Low-Pressure Fuel Line - AR07.03-P-1131XGC

Engine 177 in model 463 

as of model year 2019 

G13656045Courtesy of MERCEDES-BENZ USA
  Risk of explosion  caused by fuel igniting, risk of poisoning  caused by inhaling and swallowing fuel as well as risk of injury  to eyes and skin caused by contact with fuel. No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
WARNING Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects. Wear protective gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
CAUTION Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.
AS18.00-Z-0001-01A
  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  Note on calculation of tightening torque when using insertion or socket tools with various effective lengths   AH00.00-P-0015-01CW
  General information on work on gasoline direct injection system   AH07.00-P-2000-01A
REMOVINGINSTALLING Remove/install     
1 Disconnect the ground line for the on-board electrical system battery (G1).   AR54.10-P-0003XG
2 Remove charge air coolers.   AR09.41-P-6817XGC
3 Remove vacuum line (4) from the exhaust gas turbochargers and seal openings with suitable stop plugs. SPECIAL TOOL Record plug Fig 3
4 Disconnect purge line (7) from separating point (5) and seal openings with suitable stop plugs. SPECIAL TOOL Hose clamp pliers Fig 2
    SPECIAL TOOL Record plug Fig 3
5 Remove purge lines (8) from boot with bleed line (6), place to one side, and seal openings with suitable stop plugs. TORQUE SPECIFICATION M6 X 1 *BA00.10-P-1002-04A 
    SPECIAL TOOL Record plug Fig 3
6 Remove purge lines (10) from boot with bleed line (3), place to one side, and seal openings with suitable stop plugs. TORQUE SPECIFICATION M6 X 1 *BA00.10-P-1002-04A 
    SPECIAL TOOL Record plug Fig 3
7 Remove boots with bleed lines (3, 6) and seal openings with protective covers. INSTALLATION IMPORTANT : Wet boots with bleed lines (3, 6) with lubricant.  
    Antifriction paste, rubber parts 2.5 kg, DBL 6867.00 *BR00.45-Z-1002-06A 
    TORQUE SPECIFICATION Clamp, boot to exhaust gas turbocharger/air filter *BA01.20-P-1003-01J 
    SPECIAL TOOL Set of protective covers Fig 1
8 Remove charge air hose (9) and seal opening with a protective cover. TORQUE SPECIFICATION Bolt, clamp for charge air hose to charge- air distributor *BA09.41-P-1002-01X 
    SPECIAL TOOL Set of protective covers Fig 1
9 Remove brackets of the low-pressure line (2) from the cylinder heads. TORQUE SPECIFICATION Bolt, fuel line clamp to engine/bracket *BA07.03-P-1004-01H 
10 Clean area around the low-pressure line (2). Assembly cleaner *BR00.45-Z-1028-04A 
11 Open clamps of low-pressure line. INSTALLATION NOTES :
After opening the clamps, replace hose with clamps.
Leaks can occur otherwise.
IMPORTANTCommercially available devices/tools 
Clamping pliers
 
12 Remove low-pressure line (2) and seal openings with suitable stop plugs. SPECIAL TOOL Record plug Fig 3
13 Check low-pressure line (2) for damage.   AR07.03-P-1120-01MNE 
    Assembly cleaner *BR00.45-Z-1028-04A 
14 Remove brackets of the low-pressure line (2). When installing new low-pressure line (2).  
15 Install in the reverse order.    
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6 X 1 Nm 9 13
CRANKCASE VENTILATION SYSTEM, CYLINDER HEAD COVER

Number Designation Engine 177
BA01.20-P-1003-01J Clamp, boot to exhaust gas turbocharger/air filter Nm 1, 5
INJECTION NOZZLES, INJECTION VALVES, LINES

Number Designation Engine 177
BA07.03-P-1004-01H Bolt, fuel line clamp to engine/bracket Nm 9
CHARGE AIR LINE/CHARGE AIR COOLING

Number Designation Engine 177
BA09.41-P-1002-01X Bolt, clamp for charge air hose to charge-air distributor Nm 6
Fig 1: Identifying Set Of Protective Covers (001 589 01 91 00)
G13656046Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Hose Clamp Pliers (003 589 03 37 00)
G13656047Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Record Plug (129 589 00 91 00)
G13656048Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1002-06A Antifriction paste, rubber parts 2.5 kg, DBL 6867.00 A 000 989 01 60
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01