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Home >> Saab >> 2006 >> 9-3 2.0T, 2D Convertible, Standard >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Basic Engine 4-CYL >> Repair Instructions >> Timing Chain >> To Fit

To Fit

  1. Clean all sealing surfaces.
  2. Clean the camshaft and pinion contact surfaces (A) from oil and grease.
    Fig 1: Locating Camshaft & Pinion Contact Surfaces
    G05051705Courtesy of SAAB-SCANIA OF AMERICA, INC.
  3. Fit the tensioner guide (A).
    Fig 2: Identifying Illustration For Steps A-E
    G05051950Courtesy of SAAB-SCANIA OF AMERICA, INC.
  4. Lay the chain on the intake sprocket and lower the chain. Fit the sprocket on the camshaft and tighten the bolt (B).
  5. Raise the car.
  6. Fit the chain on the crankshaft sprocket and fit the chain guide. Fit the lower bolt (C).

    Tightening torque 10 Nm (7 lbf ft) 

  7. Lower the car.
  8. Fit the exhaust sprocket and tighten the bolt (D).
  9. Fit the upper bolt. Fit the plug on the cylinder head (E).
  10. Turn the camshaft drive tensioner clockwise with a screwdriver until it engages in the tensioned position (A).
    Fig 3: Turning Camshaft Drive Tensioner Clockwise
    G05051706Courtesy of SAAB-SCANIA OF AMERICA, INC.
  11. Place the plunger in the chain tensioner sleeve. Fit the circlip (A) and check that it is fitted correctly in the groove.
    NOTE: Check that the O-ring and gasket are intact. If damaged, replace the chain tensioner assembly.
    Fig 4: Identifying Plunger In Chain Tensioner Sleeve & Circlip
    G05051707Courtesy of SAAB-SCANIA OF AMERICA, INC.
  12. Fit the chain tensioner (A).

    Tightening torque 75 Nm (55 lbf ft) 

    Fig 5: Identifying Chain Tensioner
    G05051708Courtesy of SAAB-SCANIA OF AMERICA, INC.
  13. Release/activate the chain tensioner by carefully pressing on the timing chain or chain guide (as shown in the illustration). Use a screwdriver (A). Check that the tensioner has released.
    Fig 6: Identifying Timing Chain Or Chain Guide
    G05051709Courtesy of SAAB-SCANIA OF AMERICA, INC.
  14. Fit TIMING COVER .
  15. Remove the exhaust camshaft and intake camshaft bearing caps no. 2 and no. 7. Position 83 96 046 ADJUSTMENT TOOL, CAMSHAFT (B207 150-175 HP)  and 83 96 079 ADJUSTMENT TOOL, CAMSHAFT (B207 210 HP)  by manually pressing the tools down onto the camshafts without tightening the bolts. Turn the camshaft until the tool aligns with the spanner on the camshaft flats. Tighten the adjustment tools' bolts (A).

    Tightening torque 10 Nm (7 lbf ft) 

    Fig 7: Identifying Camshafts Without Tighten Bolts
    G05051710Courtesy of SAAB-SCANIA OF AMERICA, INC.
  16. Check that the markings on the crankshaft pulley and the timing cover are aligned. Tighten the camshaft gears a first time. Use a wrench to grip the camshaft flats (A).

    Tightening torque 30 Nm (22 lbf ft) 

    Fig 8: Identifying Camshaft Flats & Bearing Caps
    G05051711Courtesy of SAAB-SCANIA OF AMERICA, INC.
  17. Remove the adjustment tools and fit the bearing caps (B).

    Tightening torque 8 Nm (6 lbf ft) 

  18. Continue to tighten the camshaft gears to the final torque. Use a wrench to grip the camshaft flats (A).

    Tightening torque 85 Nm + 30° (63 lbf ft +30°) 

  19. Turn the crankshaft 2 rotations in the engine's direction of rotation until the markings on the crankshaft pulley and the timing cover are aligned. Remove the bearing caps and refit 83 96 046 ADJUSTMENT TOOL, CAMSHAFT (B207 150-175 HP)  and 83 96 079 ADJUSTMENT TOOL, CAMSHAFT (B207 210 HP)  to check that the camshaft setting is correct. Remove the adjustment tools and fit the bearing caps.

    Tightening torque 8 Nm (6 lbf ft) 

  20. Fit the upper timing chain guide rail (C).
  21. Fit CAMSHAFT COVER WITH GASKET 
  22. Lower the car completely.
  23. Check engine oil level. Top up as necessary.
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