Saab 9-5 oxygen/O2 sensor replacement WIS

[SaabWorld]

These instructions are for a 1999 Saab 9-5 with 2.3 engine. Other years and/or engines may be similar but could be different.

Instructions

The cables must not be twisted. Twisted cables exposed to vibration can break.
The oxygen sensor is sensitive to impacts and jolting and must be handled with care.

To remove

1. Remove the engine cover.



2. Unplug the crankshaft position sensor connector from its mounting to gain access to the oxygen sensor connector.
3. Unplug the oxygen sensor connector from its mounting and separate it.
4. Withdraw the oxygen sensor's connector and cable, taking care to avoid breaking same.



5. Remove the oxygen sensor.

To fit

The cables must not be twisted. Twisted cables exposed to vibration can break.
The oxygen sensor is sensitive to impacts and jolting and must be handled with care.

Coat the oxygen sensor threads sparingly with Molycote 1000, part no. 30 20 971.



1. Fit the oxygen sensor.
2. Carefully thread the cable back to the oxygen sensor connector.
3. Fit the oxygen sensor connector to the mounting.
4. Fit the crankshaft position sensor connector to the mounting.
5. Fit the engine cover.

[SAABDante]

Thank you for all of your knowledge you have shared it has been significant to my SAAB and I.