LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2021 >> GLS63 AMG >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Mixture Formation - 167 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install High Pressure Fuel Line >> Remove/Install High Pressure Fuel Line To Rail - AR07.03-P-1003MSC

Remove/Install High Pressure Fuel Line To Rail - AR07.03-P-1003MSC

Engine 256.9 in model 167 

MODIFICATION NOTES

11.12.2019 Union nut, high-pressure line to fuel distributor/fuel high-pressure pump   BA07.03-P-1001-01MRT
G14789841Courtesy of MERCEDES-BENZ USA
WARNING Risk of accident  from vehicle starting off by itself when engine running. Risk of injury  (bruises and burns) resulting from working on the engine while it is being started or when it is running. Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. AS00.00-Z-0005-01A
DANGER Risk of explosion  caused by fuel igniting. Risk of injury  To skin and eyes caused by fuel spraying out at high pressure Keep all ignition sources out of hazard area. Do not carry out any work on system when it is pressurized. AS07.16-Z-0001-01A 
DANGER 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
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
Topical note  Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
  General information on work on gasoline direct injection system   AH07.00-P-2000-01A 
REMOVINGINSTALLING Remove/install     
1 Remove engine compartment service flap.   AR01.10-P-2405-02MSC
    TORQUE SPECIFICATION Nut to wiper arm on front windshield wiper system *BA82.30-P-1001-01R 
    TORQUE SPECIFICATION M6X1 *BA00.10-P-1002-04A 
2 Remove the noise insulation for the high-pressure fuel pump (1).   AR07.02-P-1020MSC 
    INSTALLATION IMPORTANT : Only install upper engine cover after the leak test.  
3 Remove wide open throttle bleed line from oil separator.   AR01.20-P-9750MSC
4 Remove rear noise insulation from the engine.    
5 Clean environment of connections of high-pressure line (10). Assembly cleaner *BR00.45-Z-1028-04A 
6 Reduce the fuel pressure from the fuel high-pressure circuit.   AR07.03-P-1460-02MM 
    SPECIAL TOOL Box wrench bit Fig 1
7 Remove vacuum line from chain case cover (14) and place to one side. TORQUE SPECIFICATION Screw, vacuum line bracket to chain case cover on cylinder head *BA01.30-P-1003-01MRT 
8 Remove screws (12). TORQUE SPECIFICATION Bolt, holder for high-pressure line to camshaft housing/cylinder head *BA07.03-P-1004-01MRT 
9 Remove high-pressure line (10) and seal openings with suitable stop plugs. NOTES
Do not kink or bend high-pressure line (10). Damage will occur otherwise.
INSTALLATION IMPORTANT : Install high-pressure line (10) so that free of tension.
 
    TORQUE SPECIFICATION Union nut, high-pressure line to fuel distributor/fuel high-pressure pump *BA07.03-P-1001-01MRT 
    SPECIAL TOOL Box wrench bit Fig 1
    SPECIAL TOOL Record plug Fig 2
INSPECT Check     
10 Check high-pressure line (10).   AR07.03-P-1010-03MRT 
    Assembly cleaner *BR00.45-Z-1028-04A 
11 Install in the reverse order.    
12 Test the fuel high-pressure circuit for leaks.    
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06ME
      AR07.03-P-1010-04MM 
13 Carry out engine test run and check engine for proper operation and leak tightness.    
14 Install upper engine cover.   AR01.10-P-2405MSC
METRIC SCREWS/BOLTS AND NUTS AS PER MBN 10 105, 10 143

Number Designation 8.8 10.9
BA00.10-P-1002-04A M6X1 Nm 8 13
CYLINDER HEAD

Number Designation Engine 256.9
BA01.30-P-1003-01MRT Screw, vacuum line bracket to chain case cover on cylinder head Nm 8
HIGH-PRESSURE LINE, LOW-PRESSURE LINE, FUEL DISTRIBUTOR

Number Designation Engine 256.9
BA07.03-P-1001-01MRT Union nut, high-pressure line to fuel distributor/fuel high-pressure pump In case of reusability   Nm 18
For new lines Stage 1 Nm 15
Stage 2 ∠° 80
HIGH-PRESSURE LINE, LOW-PRESSURE LINE, FUEL DISTRIBUTOR

Number Designation Engine 256.9
BA07.03-P-1004-01MRT Bolt, holder for high-pressure line to camshaft housing/cylinder head Nm 8
WINDSHIELD WIPER

Number Designation Model 167
BA82.30-P-1001-01R Nut to wiper arm on front windshield wiper system Nm 30
Fig 1: Identifying Box Wrench Bit (000 589 69 03 00)
G13743490Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Record Plug (129 589 00 91 00)
G11971934Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1028-04A Assembly cleaner A 000 986 56 01