(210-2373) Checking tightening torque of timing gear centre screw, V6 diesel
MODIFICATION INSTRUCTION | |
Bulletin Nbr: | 210-2373 |
Date: ........... | Oktober 2002 |
Market: | all |
Checking tightening torque of timing gear centre screw, V6 diesel |
Service Campaign 157 16 |
Cars in stock must be rectified before delivery.
Cars affected |
Saab 9-5 M02 with engine alternative D308L and within VIN range 23000132 - 23058970
Note | ||
As the symptom is the type that arises after a very short distance only cars in stock need to be checked. |
Background |
The camshaft gear centre screws may be torque tightened with a tightening torque that is too low. This can result in the timing gear loosening and engine failure.
Procedure |
1. |
Raise the car and remove the lower engine cover.
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2. |
Carefully and slowly release the tension of the belt tensioner. Remove the multigroove V-belt.
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3. |
Undo the front screw from the front torque arm.
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4. |
Lower the car and remove the intake manifold with mass air flow sensor from the turbocharger.
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5. |
Remove the upper engine cover.
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6. |
Remove the nut for the rear engine pad.
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7. |
Undo the fuel line snap-on coupling. Use 83 95 261 fuel lines tool and a cloth to deal with any fuel spillage.
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8. |
Relieve the weight of the engine using a jack. Remove the right-hand engine mounting with the upper bracket and engine pad. Raise the engine to remove the engine bracket screws.
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9. |
Remove the timing belt cover.
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10. |
Reset the engine with crankshaft pulley, timing belt rotor and fuel pump rotor as per the markings on the engine.
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11. |
Tighten the camshaft gear screws. Use 83 95 816 Support, camshaft gear as support to avoid excess cogging and stretching of the belt.
Tightening torque 120 Nm (89 lbf ft) |
12. |
Fit the timing belt cover.
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13. |
Fit the right-hand engine mounting with brackets and engine pad. Raise the engine further to fit the engine bracket screws.
Tightening torque 47 Nm (35 lbf ft) ![]() |
14. |
Fit the snap-on couplings of the fuel lines.
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15. |
Lower the engine and remove the jack. Fit the nut for the right-hand engine pad.
Tightening torque 47 Nm (35 lbf ft) |
16. |
Fit the nut for the rear engine pad.
Tightening torque 47 Nm (35 lbf ft) ![]() |
17. |
Fit the upper engine cover.
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18. |
Fit the intake manifold with mass air flow sensor. Connect the mass air flow sensor connector.
Tightening torque 3.5 Nm (2.5 lbf ft) |
19. |
Raise the car, carefully and slowly release the tension of the belt tensioner. Fit the multigroove V-belt.
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20. |
Fit the torque arm front screw.
Tightening torque 90 Nm + 90° (66 lbf ft + 90°) ![]() |
21. |
Fit the lower engine cover and lower the car.
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22. |
Bleed the fuel system as per WIS - Engine - Fuel system, diesel - Adjustment/Replacement - Bleeding the fuel system.
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Standard times-/Warranty information |
See separate information.