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Home >> Mercedes Benz >> 2021 >> GLB35 AMG >> Repair and Diagnosis >> Brakes >> Traction Control >> Brakes - Hydraulic & Mechanical System - 247 Chassis >> Testing & Repair >> Flare Brake Line - AR42.10-P-0027-01D

Flare Brake Line - AR42.10-P-0027-01D

Model all (CAR) 

  Notes on safety-relevant components   AH00.00-Z-0019-01A
MODIFICATION NOTES

02.05.2019 "Preparatory work for making flange", changed.    
TIGHTENING TORQUES FOR TOOLS

Number Designation Model all (CAR, Light transporter)
BA42.00-P-1001-05A Stamp holder in flanging tool kit (pre-flanging) Nm 20
TIGHTENING TORQUES FOR TOOLS

Number Designation Model all (CAR, Light transporter)
BA42.00-P-1002-05A Stamp holder in flanging tool kit (post-flanging) Nm 40
TIGHTENING TORQUES FOR TOOLS

Number Designation Model all (CAR, Light transporter)
BA42.00-P-1003-05A Screw, clamping plate to flanging tool kit Nm 15
Fig 1: Identifying Flaring Tool (000 589 20 99 00)
G12083228Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1078-06A ATE brake cylinder paste, article no.: 03.99020501.2 ATE, a brand of the Continental Corporation
http://www.ATE.de 
http://www.ATE.de/kataloge/online-kataloge 

IMPORTANT All tools required for the repair are to be taken from the SPECIAL TOOL flanging tool kit.

IMPORTANT Brake lines with Ø 4.75 mm are flanged (C) without peeling (A) and without pre-flanging (B).

Brake lines with Ø 4.95 mm and Ø 5.25 mm must be peeled (A), pre-flanged (B) and flanged (C).

G14138750Courtesy of MERCEDES-BENZ USA
G14138751Courtesy of MERCEDES-BENZ USA
G14138752Courtesy of MERCEDES-BENZ USA
  1. Clamp brake line in line holding pliers (1) so that the end to be worked on protrudes approx. 50 mm (dimension x).

    Only for brake lines with Ø 4.95 mm and Ø 5.25 mm.

  2. Clamp step drill bit (2) into a commercially available cordless drill/driver.

    Only for brake lines with Ø 4.95 mm and Ø 5.25 mm.

  3. Operate cordless drill/driver and press step drill bit (2) on brake line up to contact.

    Only for brake lines with Ø 4.95 mm and Ø 5.25 mm.

    IMPORTANT In this way, the plastic coating in the flaring area is removed.

    Clean the step drill bit (2) if soiling is present. Otherwise, the entire insertion depth in the step drill bit (2) is no longer guaranteed for the next step drill procedure.

    G12079090Courtesy of MERCEDES-BENZ USA
  4. Insert clamping brackets (7) assigned to brake line diameter into flanging tool kit (3).

    IMPORTANT The clamping brackets (7) are held magnetically in position in the flanging tool (3).

    G12079091Courtesy of MERCEDES-BENZ USA
  5. Close latch (12) in flanging tool.
  6. Insert brake line (10) into the flanging tool with the end to be worked on up to the end stop on the latch (12).
  7. Tighten tensioning screws (9) of clamping plate (8) uniformly in stages. TORQUE SPECIFICATION
  8. Mark position of brake line (10), as shown (arrow A), with a pen relative to the clamping brackets (7).

    IMPORTANT In this way, you can see if the brake line (10) is not held correctly in the clamping brackets (7).

  9. Open latch (12).
    G12079092Courtesy of MERCEDES-BENZ USA
  10. Insert pre-flange stamp (5) into stamp holder (6) and fix in place with retainer (11) in area of hexagon.
  11. Clean punch holder (6).
  12. Clean pre-flange stamp (5) in front area (arrow B).
  13. Coat pre-flange stamp (5) in front area (arrow B) and end of brake line to be worked on with ATE brake cylinder paste.
    G12079093Courtesy of MERCEDES-BENZ USA
  14. Screw stamp holder (6) with pre-flange stamp (5) into flanging tool (3) so that top of pre-flange stamp (5) rests lightly against brake line (10).
  15. By slowly screwing in stamp holder (6) with predetermined tightening torque, pre-flange (B) brake line (10). TORQUE SPECIFICATION
  16. Remove punch holder (6) from flanging tool (3).
    G12079094Courtesy of MERCEDES-BENZ USA
  17. Remove locking clip (11) and take punch "A" out of punch holder (6).
  18. Insert flange stamp (4) into stamp holder (6) and fix in place with retainer (11) in area of hexagon.
  19. Clean punch holder (6).
  20. Clean flange stamp (4) in front area (arrow C).
  21. Coat flange stamp (4) in front area (arrow C) and end of brake line to be worked on with ATE brake cylinder paste.
    G12079095Courtesy of MERCEDES-BENZ USA
  22. Screw stamp holder (6) with flange stamp (4) into flanging tool (3) so that top of flange stamp (4) rests lightly against brake line (10).
  23. By slowly screwing in the punch holder (6) with the predetermined tightening torque, make the second-stage flange of the brake line (10). TORQUE SPECIFICATION
  24. Remove punch holder (6) from flanging tool (3).
  25. Release tensioning screws (9) uniformly until the brake line (10) with the clamping brackets (7) can be taken from the flanging tool (3).
  26. Release clamping brackets (7) from the finished, flanged brake line (10) and remove.
G12079096Courtesy of MERCEDES-BENZ USA