Buick 1999 LeSabre Owner's Manual page 253

4. After detaching the hose from the throttle body, pull
back the entire rear portion of the air cleaner by
pulling upward and rearward.
3. Disconnect the electrical
connector from the air
intake hose. This will
allow you to lift the
rear portion of the
air cleaner.
5. Replace the air filter.
6. Reinstall the rear section of the air cleaner.
7. Reconnect the electrical connector.
8. Reattach the air intake hose by snapping it back onto
the throttle body.
Refer to the Maintenance Schedule to determine when to
replace the air filter.
See "Scheduled Maintenance Services" in the Index.
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