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Home >> Mercedes Benz >> 2023 >> CLS450 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Air Intake, Turbocharging - 257 Chassis >> Testing & Repair >> Tightening Procedure For Charge Air Distributor - AR09.41-P-8683-01MSA

Tightening Procedure For Charge Air Distributor - AR09.41-P-8683-01MSA

Engine 254.9, 256.9 

Topical note Notes on threaded connections fastened using a tightening angle-based tightening process   AH00.00-P-0020-01A
MODIFICATION NOTES

17.03.2020 New operation steps added. Operation steps 3 and 4.
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation Engine 254
BA09.41-P-1001-01GA Screw, charge-air distributor to cylinder head/crankcase support/oil filter holder Stage 1 Nm 8
Stage 2 ∠° 30
CHARGE AIR PIPE/CHARGE AIR COOLING

Number Designation Engine 256.9
BA09.41-P-1001-01MRT Screw/bolt, charge air distributor to cylinder head Nm 8

Shown on engine 256.9 

G14548238Courtesy of MERCEDES-BENZ USA
  1. Tighten screws (1 to 9) in ascending numerical order Engine 256.9 TORQUE SPECIFICATION .
  2. Retighten screws (1 to 9) in ascending numerical order Engine 256.9 TORQUE SPECIFICATION .

    Shown on engine 254.9 

    G14548239Courtesy of MERCEDES-BENZ USA
  3. Tighten screws (1 to 7) in ascending numerical order Engine 254 TORQUE SPECIFICATION
  4. Retighten screws (1 to 7) in ascending numerical order Engine 254 TORQUE SPECIFICATION