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Home >> Mercedes Benz >> 2021 >> GT 53 AMG >> Repair and Diagnosis >> Engine Performance >> Tune-Up >> Engine -- Mixture Formation (2 Of 3) -- 290 Chassis >> Testing & Repair >> Reduce/Relieve Fuel Pressure >> Release Fuel Pressure Through Service Connection - AR07.03-P-1460-04MNI

Release Fuel Pressure Through Service Connection - AR07.03-P-1460-04MNI

Engine 177 in model 290 

INJECTION NOZZLES, INJECTION VALVES, LINES

Number Designation Engine 177
BA07.03-P-1005-01H Dust protection cap to service connection Nm 1
Fig 1: Identifying Pressure Hose (119 589 04 63 00)
G16145171Courtesy of MERCEDES-BENZ USA
  1. Unscrew cover (3) from service connection of fuel distributor.
  2. Place end of SPECIAL TOOL pressure hose (1) in a suitable container.
  3. Tighten union nut (2) of SPECIAL TOOL pressure hose (1) on service connection, relieve fuel pressure and collect escaping fuel.
  4. Unscrew union nut (2) of SPECIAL TOOL pressure hose (1) from service connection.
  5. Tighten cover (3) on service connection of the fuel distributor TORQUE SPECIFICATION .

    IMPORTANT Install new cap (3).

    G16557291Courtesy of MERCEDES-BENZ USA