Roadmaster 1992

Timing Chain & Sprockets

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
    NOTE
    Disconnecting the negative battery cable on some vehicles may interfere with the functions of the on-board computer systems and may require the computer to undergo a relearning process, once the negative battery cable is reconnected.


    NOTE
    If working near and/or around the SRS system and components, be sure to properly disable the SRS system. See disarming/arming the SRS system.

  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Remove the timing gear cover.

    Click image to see an enlarged view

    Fig. Timing chain front cover and related components

  6.  
  7. With the timing gear cover removed, rotate the engine so that the No. 6 cylinder T.D.C. mark on the camshaft sprocket, aligns with the mark on the crankshaft sprocket.
  8.  
  9. Remove the 3 bolts holding the camshaft sprocket to the camshaft. Pull the camshaft sprocket forward.
  10.  
  11. If the camshaft sprocket will not move, give the sprocket a light blow with a plastic mallet, on the lower edge. Remove the sprocket and timing chain.

    Click image to see an enlarged view

    Fig. Timing gear alignment-1991-1993

  12.  

To install:


NOTE
Be sure to use new fasteners, as required.


NOTE
Use the correct fastener in the correct lo