Saab 2000-06

Balance Shaft

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Raise the car and remove the lower engine cover.
  6.  
  7. Place a receptacle under the engine, undo the drain plug and drain the engine oil.
  8.  
  9. Dismantle the crankshaft position sensor with O-ring.

    Click image to see an enlarged view

    Fig. Turning crankshaft to TDC

  10.  
  11. Turn the crankshaft with the center bolt on the belt pulley until it is just before the mark for top dead center (4) in cylinder 1.
  12.  
  13. Position inspection gauge (5) (83 95 352) inside the hole for the crankshaft position sensor. Press the tool inwards slightly at the same time as the crankshaft is turned to the zero mark. The tool will then enter a recess in the crankshaft and secure it.
  14.  
  15. Make sure the marks (6) on the crankshaft belt pulley and the timing cover are aligned.
  16.  
  17. Disconnect the engine oil temperature sensor.
  18.  
  19. Dismantle the oil sump. Clean away dropping oil.
  20.  
  21. Inspect the oil suction pipe and replace if necessary.
  22.  
  23. Lock the balancer shafts with tool 83 95 469 and remove the cover over the balancer shaft chain transmission.
  24.  
  25. Push back and lock the balancer shaft chain tensioner and remove the sprocket from the balancer shaft.
  26.  
  27. Undo the 7 outer bolts and dismantle the balancer shafts as one unit.
  28.  
  29. Place the balancer shaft unit on a well-cleaned workbench and remove the chain tensioner and catenary rule.
  30.  
  31. Remove the locking tool from the balancer shafts.
  32.  
  33. Undo the rest of the bolts, remove the cover, note how the balancer shafts are fitted and lift them out.
  34.  

To install:

  1. Lay the balancer shafts in their original positions, turn them so the weights are up, lock them with tool 83 95 469 and fit the cover.
  2.  
  3. Install the chain tensioner and catenary rule.
  4.  
  5. Install the balancer shaft unit and tighten bolts to: 15 ft. lbs. (20 Nm).
  6.  
  7. Position the sprocket on the balancer shaft and tighten the bolt to: 67 ft. lbs. (90 Nm) and an additional 30°.
  8.  
  9. Release the chain tensioner and fit the cover.
  10.  
  11. Remove the locking tool from the balancer shafts.
  12.  
  13. Check that there are no impurities or other foreign matter in the sump and clean the sealing surfaces with benzine.
  14.  
  15. Tighten the bolts (8) on the oil suction pipe if it has been replaced to: 6 ft. lbs. (8 Nm).

    Click image to see an enlarged view

    Fig. Installing bolts to oil suction pipe and applying sealing compound to mating surfaces

  16.  
  17. Apply sealing compound (87 81 841) or equivalent to the mating surfaces (9), see illustration.
  18.  
  19. Position the oil sump against the gearbox (10) and fit it with new gaskets. If the gearbox has been dismantled, a steel rule must be put against the sealing surface to the gearbox to guide the position of the oil sump. Tighten the following in order:

    Tighten all bolts by hand
     
    Tighten the bolts in the cylinder block and timing cover: 15 ft. lbs. (20 Nm)
     
    Tighten the bolts in the gearbox: M8: 15 ft. lbs. (20 Nm). M10: 30 ft. lbs. (40Nm)
     

  20.  
  21. Connect the engine oil temperature sensor.
  22.  
  23. Install the oil plug with a new seal and tighten to 13 ft. lbs. (18 Nm).
  24.  
  25. Remove the inspection gauge. Install the crankshaft position sensor with a new O-ring and tighten to: 6 ft. lbs. (8 Nm).
  26.  
  27. Connect the negative battery cable.
  28.  
  29. Fill engine with specified oil. Run engine and check for leaking.
  30.  

 
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