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Home >> Mercedes Benz >> 2021 >> GLS63 AMG >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Mixture Formation - 167 Chassis (1 Of 2) >> Testing & Repair >> Release Fuel Pressure Through Service Connection - AR07.03-P-1460-04MSC

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

Engine 256.9 in model 167 

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
HIGH-PRESSURE LINE, LOW-PRESSURE LINE, FUEL DISTRIBUTOR

Number Designation Engine 256.9
BA07.03-P-1009-01MRT Cap on service connection Plastic Nm 1
Fig 1: Identifying Pressure Hose (119 589 04 63 00)
G12078803Courtesy of MERCEDES-BENZ USA
  1. Unscrew cover (1) from service connection (2).
  2. Guide end of SPECIAL TOOL pressure hose (01) into a suitable container.
  3. SPECIAL TOOL Screw pressure hose (01) into service connection (2).

    IMPORTANT In this process, the service connection (2) is opened and the fuel pressure decreases.

  4. SPECIAL TOOL Unscrew pressure hose (01) from service connection (2).
  5. Tighten cover (1) on service connection (2) TORQUE SPECIFICATION

    IMPORTANT Replace cover (1).

G14789915Courtesy of MERCEDES-BENZ USA