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Home >> Mercedes Benz >> 2016 >> G550 >> Repair and Diagnosis >> Suspension >> Front Suspension >> Front Axle - 463 Chassis >> Testing & Repair >> Bleed Differential Lock Hydraulic System >> Bleed Differential Lock Hydraulic System - AR33.40-P-0701GW

Bleed Differential Lock Hydraulic System - AR33.40-P-0701GW

Model 463 

as of model year 2013 up to model year 2019 

G13667872Courtesy of MERCEDES-BENZ USA
1 Open engine hood and raise to vertical position Opening engine hood, moving to upright position and closing AR88.40-P-1000GG
CAUTION Risk of poisoning  from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid. AS42.50-Z-0001-01A
2 Connect brake fluid changer to expansion reservoir (3)    
  Brake fluid notes   AH42.50-P-0001-01A
REFER TO CAPACITIES & SPECIFICATIONS Brake fluids (DOT 4 plus) IMPORTANT Observe manufacturer's operating instructions. Bleed pressure is 2 bar. BB00.40-P-0331-00A
3 Lift/jack up vehicle Lift/jack up vehicle
Model 463
as of model year 2013 up to model year 2019
AR00.60-P-1000G
4.1 Open bleed screw on front axle shift cylinder (1) To bleed the front differential lock, allow approx. 80 cm3 of brake fluid to flow out free of bubbles.  
4.2 Open bleed screw on rear axle shift cylinder (2) To bleed the rear differential lock, allow approx. 80 cm3 of brake fluid to flow out free of bubbles.  
5.1 Close bleed screw on front axle shift cylinder (1) on front axle.
TORQUE SPECIFICATION Bleed screw to differential lock cylinder
*BA33.40-P-1005-01A 
5.2 Close bleed screw on rear axle shift cylinder (2) On rear axle.
TORQUE SPECIFICATION Bleed screw to differential lock cylinder
*BA35.40-P-1006-01A 
6 Lower vehicle Lift/jack up vehicle
Model 463 as of model year 2013 up to model year 2019
AR00.60-P-1000G
7 Disconnect brake fluid changer    
8 Check brake fluid level in expansion reservoir (3), correct if necessary    
  Brake fluid notes   AH42.50-P-0001-01A
REFER TO CAPACITIES & SPECIFICATIONS Brake fluids (DOT 4 plus)   BB00.40-P-0331-00A
DIFFERENTIAL LOCK SHIFT CYLINDER

Number Designation Model 463 up to model year 2019
BA33.40-P-1005-01A Bleed screw to differential lock cylinder Nm 14
DIFFERENTIAL LOCK SHIFT CYLINDER

Number Designation Model 460, 461 Model 463 up to model year 2019
BA35.40-P-1006-01A Bleed screw to differential lock cylinder Nm 14