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How to Replace timing chains on Peugeot 207 1.6 THP 2006-2010

Special tools

  • Exhaust camshaft alignment tool – No.0197-A1.
  • Flywheel timing pin – No.0197-B.
  • Inlet camshaft alignment tool – No.0197-A2.

General precautions

  • Disconnect battery earth lead.
  • Remove spark plugs to ease turning engine.
  • Turn engine in normal direction of rotation (unless otherwise stated).
  • Observe tightening torques.
  • If fitted: Mark position of crankshaft position (CKP) sensor before removal.
  • Do NOT turn crankshaft via camshaft or other sprockets.
  • Do NOT turn crankshaft or camshaft with timing chain removed.
How to Replace timing chains on Peugeot 207 1.6 THP 2006-2010
How to Replace timing chains on Peugeot 207 1.6 THP 2006-2010

Valve timing procedures

NOTE: Engine No. →42987: If timing chain tensioner part number is not V7 597 895 80, it must be replaced.

  • Ensure inlet camshaft adjuster set in the installation position as follows:
      • Turn crankshaft two turns clockwise.
      • Turn inlet camshaft slowly anti-clockwise as far as stop [1] .
      • Camshaft rotation possible using spanner on hexagon [2] .
      • Ensure inlet camshaft locked in position.
      • Replace inlet camshaft adjuster, if not locked in installation position.
  • Fit flywheel timing pin [3] .
  • Turn crankshaft clockwise until flywheel timing pin engages [4] .

NOTE: Ensure round section of alignment lobe is facing downwards [5] .

  • Install exhaust camshaft alignment tool [6] .
  • Install inlet camshaft alignment tool [7] .
  • Remove timing chain tensioner [8] .
  • Modify old timing chain tensioner to use as timing chain pre-tensioning tool:
      • Drill a 10,75 mm diameter hole into hexagon end of tensioner body.
      • Insert M10 x 1,5 helicoil and fit M10 x 100 mm bolt with locknut.
  • Install timing chain pre-tensioning tool [9] .
  • Tighten adjusting screw until in contact with guide rail. DO NOT overtighten screw.
  • Pre-load timing chain with pre-tensioning tool to 0,6 Nm.
  • Remove camshaft alignment tools [6] & [7] .
  • Remove flywheel timing pin [3] .
  • Turn crankshaft two turns clockwise.
  • Ensure inlet camshaft adjuster in the installation position.
  • Fit flywheel timing pin [3] .
  • Ensure flywheel timing pin located correctly [4] .

NOTE: Ensure round section of alignment lobe is facing downwards [5] .

  • Install exhaust camshaft alignment tool [6] .
  • Install inlet camshaft alignment tool [7] .
  • Timing correct when camshaft alignment tools abut cylinder head.
  • If not, adjust camshafts as follows:
      • Remove timing chain pre-tensioning tool [9] .

        NOTE: Replace chain, tensioner and guides if ‘X’ more than 68 mm.

      • Refit timing chain pre-tensioning tool [9] .
      • Pre-load timing chain with pre-tensioning tool to 0,6 Nm.
      • Remove camshaft alignment tools [6] & [7] .
      • Remove central bolt from each camshaft [10] & [11] .

        NOTE: Camshaft rotation can be prevented using 27 mm spanner at positions shown [2] & [12] .

      • Fit new bolts [10] & [11] . Finger tighten bolts.
      • Remove crankshaft pulley centre bolt [13] .
      • Fit new crankshaft pulley central bolt [13] . Finger tighten bolt.
      • Install exhaust camshaft alignment tool [6] . If necessary, adjust position of exhaust camshaft.
      • Install inlet camshaft alignment tool [7] . If necessary, adjust position of inlet camshaft.
      • Ensure camshaft alignment tools abut cylinder head. Secure tools with bolts.
      • Tighten crankshaft pulley central bolt [13] . Tightening torque: 50 Nm + 180±10°.
      • Tighten inlet camshaft adjuster bolt [10] . Tightening torque: 20 Nm + 180±5°.
      • Tighten exhaust camshaft sprocket bolt [11] . Tightening torque: 20 Nm + 90±5°.
      • Remove timing chain pre-tensioning tool [9] .
      • Fit new timing chain tensioner [8] . Tightening torque: 65 Nm.
      • Remove camshaft alignment tools [6] & [7] .
      • Remove flywheel timing pin [3] .

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