Important!
This replacement procedure can be used for:
CITROËN C4 Picasso I (UD_) 1.6 THP 155, CITROËN C4 Picasso I (UD_) 1.6 HDi 110, CITROËN C4 Picasso I (UD_) 2.0 HDi 165, CITROËN C4 Picasso I (UD_) 1.8 Bifuel, CITROËN C4 Picasso I (UD_) 1.8 i 16V, CITROËN C4 Picasso I (UD_) 2.0 i 16V, CITROËN C4 Picasso I (UD_) 1.6 HDi, CITROËN C4 Picasso I (UD_) 2.0 HDi 138, CITROËN C4 Picasso I (UD_) 1.6 VTi 120, CITROËN C4 Picasso I (UD_) 1.6 THP 140, CITROËN C4 Picasso I (UD_) 2.0 HDi 150, CITROËN C4 Picasso I (UD_) 1.6 16V, CITROËN C4 Picasso I (UD_) 2.0 i 16V 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 – Control Arm for C4 Picasso I (UD_) and other CITROËN models
Tools
Replacement: front lower arm – CITROËN C4 Picasso I (UD_). Tools you'll need:
Wire brush
WD-40 spray
Brake cleaner
Copper grease
Torque wrench
Combination spanner #18
Drive socket # 18
Drive socket # 21
Drive socket # 36
Torx bit T50
Wheel impact socket #17
Ratchet wrench
Tap wrench
Hammer
Pin punch
Crow bar
Ball joint puller
Hydraulic transmission jack
Wheel chock
Replacement: front lower arm – CITROËN C4 Picasso I (UD_). AUTODOC recommends:
  • The replacement procedure is identical for the left and right lower control arms.
  • All work should be done with the engine stopped.
Replacement: front lower arm – CITROËN C4 Picasso I (UD_). Recommended sequence of steps:
  1. Step 1
    How to change Control Arm on Citroen C4 Picasso mk1 2006 - free PDF and video manuals
    Secure the wheels with chocks.
  2. Step 2
    How to replace CITROËN C4 Picasso I (UD_) 1.6 HDi 2007 Control Arm - step-by-step manuals and video guides
    Loosen the wheel mounting bolts. Use wheel impact socket #17.
  3. Step 3
    Raise the front of the car and secure on supports.
    Step 4
    Citroen C4 Picasso mk1 1.6 HDi 110 2008 Control Arm replacement: free workshop manuals
    Unscrew the wheel bolts.
    Replacement: front lower arm – CITROËN C4 Picasso I (UD_). Tip from AUTODOC experts:
    To avoid injury, hold up the wheel when unscrewing the bolts.
  4. Step 5
    Changing Control Arm on CITROËN C4 Picasso I (UD_) 1.8 i 16V 2009 by yourself
    Remove the wheel.
  5. Step 6
    How to remove CITROËN C4 1.6 VTi 120 2010 Control Arm - online easy-to-follow instructions
    Clean the CV axle nut cotter pin. Use a wire brush.
  6. Step 7
    How to replace Control Arm on CITROËN C4 Picasso I (UD_) 2011: download PDF manuals and video instructions
    Remove the CV axle nut cotter pin. Use a pin punch.
  7. Step 8
    How hard is it to do yourself: Control Arm replacement on Citroen C4 Picasso mk1 2.0 i 16V 2012 - download illustrated guide
    Clean the fastener of the driveshaft. Use a wire brush. Use WD-40 spray.
  8. Step 9
    Need to know how to renew Control Arm on CITROËN C4 2013? This free workshop manual will help you to do it yourself
    Loosen the fastener of the driveshaft. Use a drive socket #36. Use a ratchet wrench.
  9. Step 10
    Changing of Control Arm on Citroen C4 Picasso mk1 2006 won't be an issue if you follow this illustrated step-by-step guide
    Clean all joints of the arm. Use a wire brush. Use WD-40 spray.
  10. Step 11
    CITROËN C4 1.6 THP 155 Control Arm replacement: online guides and video tutorials
    Unscrew the fastener connecting the ball joint to the suspension control arm. Use a drive socket #21. Use a tap wrench.
  11. Step 12
    Replacing Control Arm on Citroen C4 Picasso mk1 2008 1.6 HDi by yourself
    Disconnect the spherical joint from the arm. Use a ball joint puller.
  12. Step 13
    C4 Picasso I (UD_) 1.6 VTi 120 2009 Control Arm DIY replacement workshop manual
    Prop up the steering knuckle. Use a hydraulic transmission jack.
  13. Step 14
    How to change Control Arm on CITROËN C4 Picasso I (UD_) 2010 - tips and tricks
    Disconnect the spherical joint from the arm. Use a crowbar.
  14. Step 15
    Step-by-step recommendations for DIY replacement Citroen C4 Picasso mk1 2011 1.6 VTi 120 Control Arm
    Remove the support from under the steering knuckle.
    AUTODOC recommends:
    Replacement: front lower arm – CITROËN C4 Picasso I (UD_). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
  15. Step 16
    DIY replacement of Control Arm on CITROËN C4 Picasso I (UD_) 2.0 HDi 138 2012 is not an issue anymore with our step-by-step tutorial
    Detach the driveshaft from the steering knuckle.
    Replacement: front lower arm – CITROËN C4 Picasso I (UD_). Tip from AUTODOC:
    Make sure that the drive shaft is not unloaded (when the car is jacked).
  16. Step 17
    How to change Control Arm on Citroen C4 Picasso mk1 2006 - free PDF and video manuals
    Unscrew the front arm fastener. Use Torx T50. Use a drive socket #21. Use a ratchet wrench.
  17. Step 18
    How to replace CITROËN C4 Picasso I (UD_) 1.6 HDi 2007 Control Arm - step-by-step manuals and video guides
    Remove the front fastener of the control arm. Use a pin punch. Use a hammer.
  18. Step 19
    Citroen C4 Picasso mk1 1.6 HDi 110 2008 Control Arm replacement: free workshop manuals
    Unscrew the rear fastener connecting the control arm to the subframe. Use Torx T50. Use a drive socket #21. Use a ratchet wrench.
  19. Step 20
    Changing Control Arm on CITROËN C4 Picasso I (UD_) 1.8 i 16V 2009 by yourself
    Remove the rear fastener of the control arm.
  20. Step 21
    How to remove CITROËN C4 1.6 VTi 120 2010 Control Arm - online easy-to-follow instructions
    Remove the arm. Use a crowbar.
  21. Step 22
    How to replace Control Arm on CITROËN C4 Picasso I (UD_) 2011: download PDF manuals and video instructions
    Clean the mounting seats and the thread of the suspension arm. Use a wire brush. Use WD-40 spray.
  22. Step 23
    How hard is it to do yourself: Control Arm replacement on Citroen C4 Picasso mk1 2.0 i 16V 2012 - download illustrated guide
    Install a new arm.
    Replacement: front lower arm – CITROËN C4 Picasso I (UD_). Professionals recommend:
    During the installation process, use only new bolts and nuts.Do not damage the ball joint cover.
  23. Step 24
    Need to know how to renew Control Arm on CITROËN C4 2013? This free workshop manual will help you to do it yourself
    Install the control arm fasteners.
  24. Step 25
    Changing of Control Arm on Citroen C4 Picasso mk1 2006 won't be an issue if you follow this illustrated step-by-step guide
    Screw the front arm fastener. Use Torx T50. Use a drive socket #21. Use a ratchet wrench.
  25. Step 26
    CITROËN C4 1.6 THP 155 Control Arm replacement: online guides and video tutorials
    Screw the rear arm fastener. Use Torx T50. Use a drive socket #21. Use a ratchet wrench.
  26. Step 27
    Replacing Control Arm on Citroen C4 Picasso mk1 2008 1.6 HDi by yourself
    Tighten the front fastener connecting the control arm to the subframe. Use a drive socket #21. Use a torque wrench. Tighten it to 111 Nm torque.
  27. Step 28
    C4 Picasso I (UD_) 1.6 VTi 120 2009 Control Arm DIY replacement workshop manual
    Tighten the rear fastener connecting the arm to the body subframe. Use a drive socket #21. Use a torque wrench. Tighten it to 111 Nm torque.
  28. Step 29
    How to change Control Arm on CITROËN C4 Picasso I (UD_) 2010 - tips and tricks
    Clean the splines of the drive shaft CV joint. Use a wire brush. Use WD-40 spray.
  29. Step 30
    Step-by-step recommendations for DIY replacement Citroen C4 Picasso mk1 2011 1.6 VTi 120 Control Arm
    Install the drive shaft.
  30. Step 31
    DIY replacement of Control Arm on CITROËN C4 Picasso I (UD_) 2.0 HDi 138 2012 is not an issue anymore with our step-by-step tutorial
    Unscrew the lower fastener connecting the shock strut to the steering knuckle. Use a combination spanner #18. Use a drive socket #18. Use a ratchet wrench.
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DIY CITROËN C4 Picasso I (UD_) Control Arm replacement - online guide
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