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There are 2 thumb screws on each headlight assembly, remove these and it should come out.
Remove the entire headlight assembly to gain access to the bulbs.
simply remove the two screws located on the top of the headlamp assembly and then pull the headlamp assembly forward to gain access to the light bulbs
Leaky or disconnected vacuum hose ?
remove the 2 plastic screw knobs directly on top of headlight assembly, they will most likely be rusted in so you might have to use vice grips or channel locks to break them loose, after that the assembly will pull straight up and out.
Remove headlight assembly to access bulb/socket.
Its part of the windshield wiper motor assembly. It unsnaps from the assembly for EASY replacement!
By removing the locks that hold the headlight assembly in place you can wiggle the headlight assembly out to gain access to the headlight bulbs for replacement.
There is a long bolt on top of the headlight/blinker assembly. Remove this bolt and slide the entire headlight/blinker assembly out just enough that you can see the bulb socket. Twist the socket and it will pop right out.
Buick Riviera was created in 1963.
how to remove power steering pump
Lift the hood and loosen the round screw heads directly above lights - 2 on each. lift assembly off of the rack and unplug light