LS 400 V8-4.0L (1UZ-FE) (1990)
Air Flow Meter/Sensor: Service and Repair
Air Cleaner Cover
Preparation
- Remove air cleaner and battery cover.
- Disconnect negative battery cable.
- Drain coolant into an approved container.
No. 2 Air Cleaner Hose
- Remove No. 2 air hose.
- Disconnect air flow sensor electrical connector.
Air Cleaner
- Remove air intake pipe from air flow meter.
- Remove air cleaner lid and air flow meter.
Air Flow Meter Attachment
- Remove sensor from air cleaner housing.
- Reverse procedure to install, noting the following torque values:
Air flow meter - 7 ft.lb (10 Nm)
Air cleaner mounts - 43 in.lbs (4.9 Nm)