How to carry out replacement: Brake Discs 1.9 JTDM 16V (939AXC1B, 939AXC12) Alfa Romeo 159 939
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Change Alfa Romeo 159 939 1.8 MPI (939AXL1A) Brake Discs yourself – manuals and video tutorials

How to change front brake discs on ALFA ROMEO 159 Saloon (939) – replacement guide

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Download your free tutorial and fix ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B, 939BXE1B, 939BXH1B) problems yourself Download for free 2.38 MB Brake Discs for Alfa Romeo 159 939 Shop now
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When to replace the Brake Discs on your ALFA ROMEO 159
Recommended replacement interval for the part category Brake disc : 50000 km
Important!
This replacement procedure can be used for:
ALFA ROMEO 159 (939) 2.0 JTDM (939AXQ1B), ALFA ROMEO 159 (939) 1.9 JTS (939AXA1B), ALFA ROMEO 159 (939) 2.2 JTS (939AXB1B, 939AXB11), ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B), ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXC1B, 939AXC12), ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B, 939BXE1B, 939BXH1B), ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXF1B, 939AXC1B), ALFA ROMEO 159 (939) 1.8 MPI (939AXL1A), ALFA ROMEO 159 (939) 1.8 TBi (939.AXN1B), ALFA ROMEO 159 (939) 2.0 JTDM (939AXP1B), ALFA ROMEO 159 (939) 2.0 JTDM (939AXR1B) … View more

The steps may slightly vary depending on the car design.

This video shows the replacement procedure of a similar car part on another vehicle

All the parts you need to replace – Brake Discs for 159 (939) and other ALFA ROMEO models
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Tools
Replacement: brake discs – ALFA ROMEO 159 (939). List of the tools you'll need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Drive socket # 19
HEX bit No.H4.
HEX bit No.H7.
Wheel impact socket #17
Brake caliper wind back tool
Ratchet wrench
Torque wrench
Tap wrench
Crow bar
Wheel chock
Buy tools
Replacement: brake discs – ALFA ROMEO 159 (939). Tip from AUTODOC:
  • Replace the brake disks on the car ALFA ROMEO 159 (939) in complete set for each axis. Regardless of the state of components. This will ensure even braking.
  • The replacement procedure is identical for both brake disks on the same axle.
  • When changing the brake discs, always replace the brake pads.
  • All work should be done with the engine stopped.
Replacement: brake discs – ALFA ROMEO 159 (939). Take the following steps:
  1. Step 1
    How to change Brake Discs on Alfa Romeo 159 939 2005 - free PDF and video manuals
    Open the bonnet. Unscrew the brake fluid reservoir cap.
  2. Step 2
    How to replace ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXC1B, 939AXC12) 2006 Brake Discs - step-by-step manuals and video guides
    Secure the wheels with chocks.
  3. Step 3
    Alfa Romeo 159 939 2.4 JTDM (939AXD12, 939AXD1B) 2007 Brake Discs replacement: free workshop manuals
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  4. Step 4
    Raise the front of the car and secure on supports.
    Step 5
    Changing Brake Discs on ALFA ROMEO 159 (939) 2.2 JTS (939AXB1B, 939AXB11) 2008 by yourself
    Unscrew the wheel bolts.
    AUTODOC recommends:
    Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. ALFA ROMEO 159 (939)
  5. Step 6
    How to remove ALFA ROMEO 159 2.4 JTDM (939AXD) 2009 Brake Discs - online easy-to-follow instructions
    Remove the wheel.
  6. Step 7
    How to replace Brake Discs on ALFA ROMEO 159 (939) 2010: download PDF manuals and video instructions
    Remove the dust boot caps of the brake caliper guide pins. Use a crowbar.
  7. Step 8
    Disconnect the brake pad wear sensor plug.
    Please note!
    Some cars are not equipped with the brake pad wear sensor.
    Step 9
    How hard is it to do yourself: Brake Discs replacement on Alfa Romeo 159 939 1.9 JTS (939AXA1B) 2011 - download illustrated guide
    Spread the brake pads. Use a crowbar.
  8. Step 10
    Clean the brake caliper fasteners. Use a wire brush. Use WD-40 spray.
    Step 11
    Need to know how to renew Brake Discs on ALFA ROMEO 159 2012? This free workshop manual will help you to do it yourself
    Unscrew the brake caliper fastening. Use HEX No.H7. Use a ratchet wrench.
  9. Step 12
    Changing of Brake Discs on Alfa Romeo 159 939 2005 won't be an issue if you follow this illustrated step-by-step guide
    Detach the brake caliper retaining spring. Use a crowbar.
  10. Step 13
    ALFA ROMEO 159 1.8 MPI (939AXL1A) Brake Discs replacement: online guides and video tutorials
    Remove the brake caliper.
    Replacement: brake discs – ALFA ROMEO 159 (939). AUTODOC recommends:
    Tie the caliper to the suspension or to the body with a wire without disconnecting from the brake hose to prevent depressurization of the brake system.Make sure that the brake caliper is not hanging on the brake hose.Don't press the brake pedal after the brake caliper has been removed. As a result, the piston can fall out from the brake cylinder, and brake fluid leakage and depressurization of the system may occur.
  11. Step 14
    Replacing Brake Discs on Alfa Romeo 159 939 2007 1.9 JTDM 16V (939AXC1B, 939AXC12) by yourself
    Remove the brake pads.
  12. Step 15
    159 (939) 2.4 JTDM (939AXD) 2008 Brake Discs DIY replacement workshop manual
    Clean the brake caliper bracket fasteners. Use a wire brush. Use WD-40 spray.
  13. Step 16
    How to change Brake Discs on ALFA ROMEO 159 (939) 2009 - tips and tricks
    Unscrew the caliper bracket fastening. Use a drive socket #19. Use a tap wrench. Use a ratchet wrench.
  14. Step 17
    Step-by-step recommendations for DIY replacement Alfa Romeo 159 939 2010 2.4 JTDM (939AXD) Brake Discs
    Remove the caliper bracket.
  15. Step 18
    DIY replacement of Brake Discs on ALFA ROMEO 159 (939) 1.9 JTDM 8V (939AXE1B) 2011 is not an issue anymore with our step-by-step tutorial
    Unscrew the brake disc fastening. Use HEX No.H4. Use a ratchet wrench.
  16. Step 19
    How to change Brake Discs on Alfa Romeo 159 939 2005 - free PDF and video manuals
    Remove the brake disc.
  17. Step 20
    How to replace ALFA ROMEO 159 (939) 1.9 JTDM 16V (939AXC1B, 939AXC12) 2006 Brake Discs - step-by-step manuals and video guides
    Clean the hub. Use a wire brush. Treat the contacting surface. Use copper grease.
  18. Step 21
    Alfa Romeo 159 939 2.4 JTDM (939AXD12, 939AXD1B) 2007 Brake Discs replacement: free workshop manuals
    Install the brake disc.
  19. Step 22
    Changing Brake Discs on ALFA ROMEO 159 (939) 2.2 JTS (939AXB1B, 939AXB11) 2008 by yourself
    Tighten the brake disc fastening. Use HEX No.H4. Use a torque wrench. Tighten it to 7 Nm torque.
    Replacement: brake discs – ALFA ROMEO 159 (939). AUTODOC experts recommend:
    You might need other tools.
  20. Step 23
    How to remove ALFA ROMEO 159 2.4 JTDM (939AXD) 2009 Brake Discs - online easy-to-follow instructions
    Clean the brake disk surface. Use a brake cleaner.
    AUTODOC recommends:
    Replacement: brake discs – ALFA ROMEO 159 (939). After applying the spray, wait a few minutes.
  21. Step 24
    How to replace Brake Discs on ALFA ROMEO 159 (939) 2010: download PDF manuals and video instructions
    Clean the brake caliper bracket from dirt and dust. Use a wire brush. Use a brake cleaner.
    Replacement: brake discs – ALFA ROMEO 159 (939). Professionals recommend:
    After applying the spray, wait a few minutes.
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