Cannot turn screw when removing grinding attachment

Rear Turn Signal, Brake and Parking Lights

1. Remove the tail light assembly screws, then the assembly.
2. Disconnect the twist lock socket from the lens housing. NOTE: To remove the bulb, turn the twist lock socket (at the rear of the housing) counterclockwise 1?4 turn, then remove the socket with the bulb; replace the bulb if defective. Fig. 7: Remove the tail light assembly screws, then the assembly - wagon shown Fig. 8: Twist the socket counterclockwise to remove from the housing Fig. 9: This type of bulb simply can be pulled out of the socket for replacement To install:
   
3. Attach the socket assemblies to the back of the lamp unit.
4. Install the lamp assembly to the vehicle with the mounting screws.

License Plate Light

1. Remove the lens screws.
2. Once the lens is removed you, can access the bulb and replace if needed. To install:
   
3. Install the new bulb, then attach the lens to the body of the vehicle.

Center High Mount Stop Lamp

1. Remove the screws securing the lamp cover.
2. Remove the mounting nuts, then unplug the electrical harness to the lamp assembly.
3. The lamp now should come out. To install:
   
4. Position the lamp assembly to the vehicle, then attach the electrical harness to the lamp.
5. Install the mounting nut, tighten to 62 inch lbs. (7 Nm).
6. Attach the lamp cover. Fig. 10: Exploded view of the center high mount stop lamp assembly - wagon shown
   Fig. 11: Light bulb application chart for all models with non-European headlamps
   Fig. 12: Light bulb application chart for Buicks with European headlamps
   Fig. 13: Light bulb application chart for Oldsmobiles with European headlamps
   

Signal and Marker Lights
REMOVAL & INSTALLATION
Front Turn Signal and Parking Lights
1991-96 MODELS

1. Remove the lens upper retaining screw and the fender side retaining screw.
   
2. Slide the lens assembly forward until access to the rear is possible.
   
3. If necessary, unplug the bulb electrical connection.
   
4. Turn the bulb socket assembly counterclockwise and remove it from the lens.
5. Depress and twist the bulb approximately 1?8 turn
   counterclockwise, then remove it from the socket.
   
   
   
   
   
   Fig. 1: Remove the lens upper retaining screw and the fender
   side retaining screw
   
   
   
   
   
   
   
   Fig. 2: If necessary, unplug the bulb's electrical connection
   
   
   
   
   
   
   
   Fig. 3: Turn the bulb socket assembly counterclockwise and remove it from the lens
   
   
   
   
   
   
   Fig. 4: Remove the bulb from the socket
   
   
   To install:
   
   
6. Align the bulb's locating pins, then install the bulb in the socket.
   
7. Attach the socket to the lens and turn it clockwise to engage it.
   
8. If removed, attach the bulb electrical connection.
   
9. Place the lens into position, then tighten the fender side and upper
   retaining screws.

REMOVAL AND INSTALLATION Headlamp Assembly Removal

1. Remove radiator air deflector from radiator support.
   

1. Remove two screws and two nuts retaining headlamp door (13064).
   

1. Pull headlamp door from vehicle. Remove three bulbs and sockets.
   

1. Disconnect engine control sensor wiring (12A581) from headlamp bulb (13007).
   

1. Remove two retainers attaching upper two attachments of headlamp (13008).
   

1. Turn horizontal headlamp adjusting screw (13032) completely out of the adjusting nut.
   

1. Pull headlamp from vehicle.
   

Installation

1. Follow removal procedures in reverse order.
   

1. Tighten screws to 1.4-2.3 Nm (13-20 lb-in). Tighten nuts to 4-7 Nm (36-61 lb-in).
   

drill the screw head off or grind it off, remove the plate, use a pair of pliers to hold the plastic base and a pair of vice grips to grip the shaft of the screw and turn it until it unwinds, remove the plastic base and replace with new ones
hope it works for you as it did for me

1. Check that headlamp switch (11654) is in the off position.
   
2. Lift hood (16612).
   
3. Release latch and swing filler panel to left or right.
   
4. Remove electrical connector from headlamp bulb by grasping wires firmly and snapping connector rearward.
   
5. Remove headlamp bulb retainer (13N019) by rotating counterclockwise (when viewed from rear) about one-eighth turn and sliding ring off plastic base. Keep headlamp bulb retainer as it may be used again to retain new headlamp bulb.
   
6. Carefully remove headlamp bulb from socket by gently pulling straight backward out of socket. Do not rotate headlamp bulb during removal.

Headlamp Assembly, Explorer
Removal and Installation

1. Disconnect battery negative cable.
   
2. Remove blind rivets (2) attaching screws (4) and radiator upper sight shield.
   
3. Remove turn/park lamp attaching screws (2) and pull assembly away from body. Remove bulb sockets from housing and remove lamp assembly. Repeat on opposite side of vehicle.
   
4. With turn/park lamp assembly removed, screw attaching grille to front fender flange is accessible. Remove grille attaching screw. Repeat on opposite side of vehicle.
   
5. Remove attaching screws (4) located across top of grille.
   
6. Grip lower edge of grille and pull outward to disengage from retaining clips. Remove grille.
   
7. Using needle-nose pliers, compress barbs on headlamp housing retainer. With barbs compressed, pull forward on housing just enough to disengage from retainer. Repeat on opposite side of headlamp housing.
   
8. Turn headlamp housing as necessary and pull forward to disengage from headlamp aiming ball socket.
   
9. Disconnect wiring from headlamp bulb socket.
   
10. If replacing headlamp housing, remove retaining collar and bulb.
    

For installation, follow removal procedures in reverse order. Make sure to check headlamp aim.

Front Turn Signal & Parking Lights

1. On some models you will need to remove the headlight bezel mounting screws and the bezel.
   
2. Remove the mounting screws for the lamp assembly.
   

Remove the mounting screws securing the lamp assembly

1. After the screws are removed, pull the assembly from the vehicle.
   

After the screws are removed, pull the assembly from the vehicle

1. Disconnect the twist lock socket from the lens housing.
   

Disconnect the twist lock socket from the lens housing

To remove the bulb, turn the twist lock socket (at the rear of the housing) counterclockwise 1/4 turn, then remove the socket with the bulb; replace the bulb if defective.



Newer Oldsmobile models have the turn signal separate from the headlamp assembly ...



... unlike the newer Buicks, where the unit is attached to the headlamp

To install:

1. Install the electrical harness to the back of the unit.
   
2. Position the signal assembly, then attach to the vehicle with the mounting screws. Tighten the screws to 54 inch lbs. (6 Nm).
   
3. Insert the socket to the back of the unit, then attach the headlamp bezel if removed.
   

Sealed Beam Type

1. Disconnect the negative battery cable.
   
2. Unfasten the headlight bezel attaching screws, then remove the bezel.
   

Remove the headlight bezel

To avoid turning the vertical or horizontal aiming screws, refer to the illustration before removing the headlight retainer.

1. Unfasten the headlight retainer attaching screws, then remove the retainer.
   

Remove the headlight trim screws then...


... pull the trim off while holding the bulb

4. Pull the headlight out, then carefully detach the electrical connector.


Pull the bulb out far enough to disconnect the wiring


To install:

1. Attach the electrical connector to the new headlamp.
   
2. Place the headlamp into the socket.
   
3. Install the retainer, then tighten the attaching screws.
   
4. Connect the negative battery cable, then turn the headlight switch on, to be sure the headlights are operating.
   
5. Install the headlight bezel and secure using the attaching screws.
   

Front Turn Signal & Parking Lights

1. On some models you will need to remove the headlight bezel mounting screws and the bezel.
   
2. Remove the mounting screws for the lamp assembly.
   

Remove the mounting screws securing the lamp assembly


After the screws are removed, pull the assembly from the vehicle


Disconnect the twist lock socket from the lens housing
To remove the bulb, turn the twist lock socket (at the rear of the housing) counterclockwise 1/4 turn, then remove the socket with the bulb; replace the bulb if defective.



Newer Oldsmobile models have the turn signal separate from the headlamp assembly ...


... unlike the newer Buicks, where the unit is attached to the headlamp

To install:

1. Install the electrical harness to the back of the unit.
   
2. Position the signal assembly, then attach to the vehicle with the mounting screws. Tighten the screws to 54 inch lbs. (6 Nm).
   
3. Insert the socket to the back of the unit, then attach the headlamp bezel if removed.
   

This information can help you to fix it:
- Section-08s-Power-Window-Systems-Ewj8s
- Section-23-Body-ewj23S (Rear Door, page 41 and next).

Good luck (remember rated this help).

1. Disconnect battery ground cable.
2. Remove glove box attaching screws, then the glove box.
3. Remove lower sound insulator attaching screws and nuts, then the lower sound insulator.

Heater And A/C Programmer And Actuators

1. Remove programmer as follows:

1. Remove programmer shield attaching screws, then the programmer shield.
2. Disconnect threaded rod from programmer.
3. Disconnect programmer electrical and vacuum connector, then remove programmer.

1. Disconnect body control module electrical connector, then remove module attaching screws and module.
2. Remove relay panel from module assembly, then the module assembly heater core cover.
3. Disconnect heater hoses from heater core.
4. Remove two heater core attaching screws, then the heater core.
5. Reverse procedure to install.