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(291-2317) Low output and rattling from turbocharger

Symptom: Low engine power output, little movement on the turbo pressure gauge and rattling from the turbocharger. CHECK ENGINE lamp on Diagnostic trouble code P1105

TECHNICAL SERVICE BULLETIN
Bulletin Nbr: 291-2317
Date: ........... Januari 2002
Market: ej US/CA
Low output and rattling from turbocharger

Cars affected

All Saab 9-5 with B205E and B235E engines

Background

On certain cars, the clip holding the turbocharger pushrod to the arm on the wastegate valve can come looses. If the clip comes off, the pushrod can slide off the pin on the wastegate valve arm. As a result, boost pressure control will not function and the valve disc will cause a rattling from the turbocharger.

In the case of customer complaint proceed as follows.

Symptoms

Low engine power output, little movement on the turbo pressure gauge and rattling from the turbocharger.

CHECK ENGINE lamp on

Diagnostic trouble code P1105



Parts required

91 85 497 (CA: 30567751) Stainless steel clip

79 87 415 (CA: 30588378) O-ring

nuts for the catalytic converter, if required

Procedure


1. Undo the hose clip on the charge air pipe and the screw on the bypass pipe. Move aside the bypass pipe.


2. Remove the heat shield.

3. Gently tap the valve arm using a screwdriver to coax it back into its original position (anticlockwise).


4. If the valve arm does not return to its original position following the method above, unplug the oxygen sensor connector and remove the primary catalytic converter, or, disconnect the front exhaust pipe from the turbocharger. Otherwise, only perform steps 8, 10 and 11.

5. Press the tip of a screwdriver against the top right part of the valve disc while pressing in the valve spindle and raising the valve arm with your hand.


6. Press the tip of a screwdriver against the valve disc while pressing in the valve spindle and turning the valve arm further to pass the edge of the exhaust turbine.


7. If it is difficult to pass this edge, carefully file down the edge that hinders the valve disc with a round file. Check that the valve disc is undamaged.


8. Connect the arm to the pushrod and secure it with the new clip specified above.

9. Fit the primary catalytic converter and plug in the oxygen sensor, or fit the front exhaust pipe. Grease the studs with 30 20 971 thread paste.

Tightening torque 24 Nm (18 lbf ft).

10. Fit the heat shield.

11. Fit the bypass pipe using a new O-ring.



Time/Warranty information

To resolve a customer complaint for a vehicle under warranty , submit a claim using the following information:

Failed object: 29140, 29145

Fault/Reason code: 40

Location code: 09 (US=9)

Warranty type (US): 01

Repair/Action code: 05

Labor operation (US):

2914004: 0.1 (CA: J5800)

2914501: 0.3 (CA: L2160)

Time:

291 40 = 0.1 hrs

291 45 = 0.3 hrs