Volvo Workshop Manuals
V70R AWD L5-2.3L Turbo VIN 52 B5234T6 (1998)
Powertrain Management > Computers and Control Systems > Sensors and Switches - Computers and Control Systems > Oxygen Sensor > Component Information > Technical Service Bulletins > O2 sensors - New routing of wiring > Page 3640
Heated 02 sensor, mounting
Fresh air intake hose between air cleaner (ACL) housing and turbocharger (TC).
Naturally aspirated engines
the preheating hose.
Removing/installing heated 02 sensor
Remove the front heated O2sensor. Use tool no. 9995543
Install a new heated 02 sensor.
Note! AWD. Replace front 02 sensor from the engine compartment.
Installing adapter wiring
Note! The illustrations only illustrate one of the adapter wiring systems, but the same method applies to both front and rear 02 sensor.
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