1998 Buick Riviera Owner's Manual

Remove the air cleaner assembly as follows:1. Remove the air duct clamp and separate the hosefrom the air cleaner cover. Rotate the hose on thethrottle body upward so it is out of the way.2. Detach the electrical connector and remove the aircleaner cover by flipping the two latches on thebottom inboard side of the cover.3. Tilt and pull the cover toward the engine todisengage it from the assembly.4. Remove the old filter and install the new one.5. Reinstall the air cleaner cover by sliding the tabs intothe base of the air cleaner and locking the twolatches. Reinstall the electrical connector.6. Rotate the inlet duct into position and slide it ontothe air cleaner outlet, then tighten the clamp.Refer to the Maintenance Schedule to determine when toreplace the air filter.See “Scheduled Maintenance Services” in the Index.Operating the engine with the a11 cleaner oi :ancause you or others to be burned. The air cleanernot only cleans the air, it stops flame if the enginebackfkes. If it isn’t there, and the enginebackfires, you could be burned. Don’t drive withit off, and be careful working on engine the withthe air cleaner off.NOTICE:If the air cleaner is off, a backfire can cause adamaging engine fire. And, dirt can easily getinto your engine, which will damage it. Alwayshave the air cleaner in place when you’re driving.6-16