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Power Solutions International — Timing Belt Removal and Installation

Maintenance

From a Power Solutions International service manual — check it applies to your exact model before use.

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Before you start

  • Use ONLY the PSI Long Life Camshaft and Balance Shaft Belts; use of a non-PSI long life belt is not permitted or recommended.

Procedure

  1. Mark the belt running direction.
  2. Use special tool Set screw (MD998738) to release tension on the timing belt.
  3. Insert a metal wire (1.4 mm) or 1/16" allen wrench into the auto-tensioner set holes.
  4. Remove the auto-tensioner by loosening the two bolts.
  5. Loosen the tensioner pulley bolt and remove the timing belt.
  6. Align timing marks on camshaft, crankshaft and oil pump sprockets.
  7. Install the timing belt on crankshaft sprocket, oil pump sprocket, idler pulley, camshaft sprocket, tensioner pulley in that order.
  8. Lift up the tensioner pulley and tighten the center bolt.
  9. Turn crankshaft a quarter turn counterclockwise, then clockwise until timing marks align.
  10. Torque tensioner pulley to 3.5 N·m then tighten center bolt to 48 ± 5 N·m.
  11. Give two clockwise turns to crankshaft, wait 15 minutes.
  12. Check the auto-tensioner rod protrusion is within 3.8 - 4.5 mm.

Tools required

  • Set screw MD998738 Amazon
  • Tension pulley socket wrench 800407 Amazon
  • Crankshaft sprocket puller 800399 Amazon
  • Sprocket stopper 800404 Amazon
  • End yoke holder 800405 Amazon
  • Pulley holder pin 800406 Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Camshaft sprocket bolt: 88 ± 10 N·m
  • Counterbalance shaft sprocket bolt: 45 ± 3 N·m
  • Tensioner "B" bolt: 19 ± 3 N·m
  • Crankshaft bolt: 162 N·m
  • Auto-tensioner: 24 ± 3 N·m
  • Tensioner pulley center bolt: 48 ± 5 N·m
  • Auto-tensioner rod protrusion standard: 3.8 - 4.5 mm

Source: Power Solutions International service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

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