2007 Jeep Compass

Valve Lash (Clearance) Adjustment

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NOTE
The engine must be cold to measure the valve lash.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove the engine cover.
  4.  
  5. Remove the cylinder head cover. Refer to Valve Covers, removal & installation.
  6.  
  7. Rotate the camshaft so the lobes are vertical.

    Click image to see an enlarged view

    Fig. To measure the valve lash, rotate the camshaft so the lobes (1) are vertical

  8.  
  9. Check the clearance using feeler gauges.
  10.  
  11. Repeat this procedure for all of the valve tappets and record the readings.
  12.  
  13. If the clearance was outside the required specification:
    1. Remove the camshaft. Refer to Camshaft and Valve Lifters, removal & installation.
    2.  
    3. If the clearance was too large or too small, increase or decrease the tappet thickness by the necessary amount.
    4.  
    5. Install the camshafts and verify that the valve lash is correct.
    6.  

  14.  
  15. Install the cylinder head cover. Refer to Valve Covers, removal & installation.
  16.  

 
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