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Home >> Mercedes Benz >> 2021 >> GLS63 AMG >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Mixture Formation - 167 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install High Fuel Pressure Pump >> Remove/Install Right High Pressure Fuel Pump - AR07.02-P-1024MNP

Remove/Install Right High Pressure Fuel Pump - AR07.02-P-1024MNP

Engine 177 in model 167 

Fig 1: Right High Pressure Fuel Pump Components Location - Engine 177 In Model 167
G14789814Courtesy of MERCEDES-BENZ USA
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
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  caused by scraping or cutting body parts on sharp vehicle parts Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.
AS00.00-Z-0017-01A
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
Topical note  Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
Topical note  Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
  General information on work on gasoline direct injection system   AH07.00-P-2000-01A 
REMOVINGINSTALLING Remove/install     
1 Remove right high-pressure line (4).   AR07.03-P-1002MNP 
    INSTALLATION IMPORTANT : Only install upper engine cover after the leak test.  
2 Remove right low-pressure line (3) from the cylinder head cover and high-pressure fuel pump (1) and place to one side.   AR07.03-P-1121MNP 
3 Clean area around high-pressure fuel pump
(1).
NOTES
Thoroughly clean area around high-pressure fuel pump (1) at points to be disconnected. Failure can occur otherwise to the fuel system
 
    Assembly cleaner *BR00.45-Z-1028-04A 
4 Remove screws (2) and remove high-pressure fuel pump (1) upward. NOTES
Remove and screw in screws (2) alternately by half a revolution in each case. The high-pressure fuel pump (1) will otherwise be damaged.
INSTALLATION IMPORTANT : Replace seal.
 
    TORQUE SPECIFICATION Bolt, fuel system high pressure pump to cylinder head *BA07.02-P-1001-01E 
5 Install in the reverse order.    
INSPECT Check     
6 Check fuel high-pressure circuit for leak tightness.   AR07.03-P-1010-04MM 
REFER TO SELF-DIAGNOSTIC SYSTEMS     AD00.00-P-2000-06ME
WARNING Risk of burn injuries  , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning  caused by skin contact with solid components of the exhaust. Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. AS49.00-Z-0001-01A
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
7 Perform engine test run. While doing so, check engine for proper operation and leak tightness    
8 Install upper engine cover.    
REFER TO MAINTENANCE     AP01.10-P-2405-01E
INJECTION PUMP, HIGH-PRESSURE FUEL PUMP

Number Designation Engine 177
BA07.02-P-1001-01E Bolt, fuel system high pressure pump to cylinder head Nm 14
REPAIR MATERIALS

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