Question about 2004 Buick LeSabre

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SOLUTION: HOW TO REPLACE REAR BULBS ON 2002 & 2004 BUICK LESABRE

HOW TO REPLACE REAR TURN SIGNAL BULBS & SIDE MARKER BULBS ON 2002 & 2004 bUICK lESABRE?

Working from the trunk.

1. Locate and remove the 2 retaining knobs (doohickeys that you fasten
the trunk cargo net to) on each side that hold the hard plastic trunk
liner to the rear light assemblies.

2. Move the plastic plate that holds the spare tire back away from the
plastic trunk liner. This releases the bottom of the plastic piece.

3. With a large screw driver, pry the long plastic piece that goes
from side to side by prying up from the bumper. It's held in place by
some push in holders. Remove the large plastic piece.

4. Locate the 5 studs (threaded posts) on each light assembly. Three
will be located vertically in a line, and the other two will be
outboard.

5. Using a 10 mm socket remove 4 of the 5 nuts fastening the light
assembly to the body. DO NOT remove the lowest nut of the 3 in a
vertical line as this does not fasten the light assembly to the car.

6. Hand pull the light assembly from the car body.

7. Remove the bad lamp. Twist lamp socket and pull out of assembly.
Pull the lamp and replace with a # 194.

8. If replacing a tail lamp replace with a #3057 (book says #3357).

9. Test light prior to reassembly.

10. Ensure gasket material for assembly and studs is intact. This
keeps water/dust out and dampens movement (prevents rattling and
increases the life of the lamps).

11. Use reverse instruction for reassembly.

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  • Anonymous Mar 25, 2014

    low beam head lamp does not work one side short ing head light plastic assembly wiring harness

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Rear tail lamps for the 2002 La Sabre has eight nuts that hold the cover in place ( one piece-all acroos the back of the car). Do not remove the nuts for the lock, the cover sits in place and is not secured to the lock. Use a 10 mm deep well socket. remove the nuts and lift the cover to replace the burned out bulb(s). The bulbs are #194 or #198 (very small bulbs), not the 3057. It is easy to locate the burned out bulbs by putting the car in reverse and shutting off the engine and then put the ignition key in the accessory mode. The lights will light unless they are burned out. Simply pull them out and replace with the new ones and put the cover back in place and secure the nuts.

Posted on Feb 23, 2009

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