2003 PONTIAC GRAND PRIX clock

2. Then keep turning the pressure cap, but now push
down as you turn it. Remove the pressure cap.
You can be burned if you spill coolant on hot
engine parts. Coolant contains ethylene glycol
and it will burn if the engine parts are hot
enough. Don’t spill coolant on a hot engine.
I
3. If you have the 3800 V6 engine, remove the
3800 Series
II V6 engine cover shield to access the
bleed valve.
3.1. Clean the area around the engine oil
fill tube
and cap before removing. Twist the oil
fill
tube, with cap attached, counterclockwise
and remove it.
3.2.
If you have the supercharged engine,
remove the nut in the center
of the cover
shield.
5-42

3800 V6 engine: There is
one bleed valve. It is
located on the thermostat
housing.
Thermostat Housing
(3800 V6)
5. Fill the radiator with the proper DEX-COOL@
coolant mixture, up to the base of the filler
neck. See Engine Coolant
on page 5-30 for more
information about the proper coolant mixture.
If you see a stream of coolant coming from an air
bleed valve, close the valve. Otherwise, close
the valves after the radiator is filled.
6. Rinse or wipe any spilled coolant from the engine
and the compartment.
7.
If you have the 3800 V6 engine, replace the 3800
7.1. Remove the oil fill tube, with cap attached,
Series
II V6
engine cover shield.
from the valve cover.
7.2. Insert the catch tab on the cover shield
under the bracket
on the engine.
7.3. Place the hole in the cover shield over the
hole
in the valve cover. Install oil fill tube and
cap by twisting clockwise.
7.4. If you have the supercharged engine, install
the nut in the center
of the cover shield.
5-44

3. Carefully remove the headlamp assembly from the
vehicle. Be careful to avoid scratching or chipping
the paint
on the vehicle while removing.
4. Lift the plastic tab on the electrical connector and
pull the connector out.
5. Turn the lamp socket ring a quarter turn
counterclockwise to remove it from the headlamp
assembly. Pull the old bulb from the socket.
5-61

Front Turn Signal and Sidemarker
6. Place the new bulb into the socket.
7. Turn the bulb socket one-quarter turn clockwise to
reinstall it.
8. Turn the lamp socket ring a quarter turn clockwise
to place it back into the headlamp assembly.
9. Lift the plastic tab on the electrical connector and
reinstall the connector.
10. Carefully reinstall the headlamp assembly. Be
careful to avoid scratching or chipping the paint
on the vehicle while reinstalling the assembly.
11. Reinstall the two bolts on the top of the headlamp
assembly.
Lamps
1. Open the hood.
2. Remove the two bolts from the top of the headlamp
assembly.
3. Remove the headlamp assembly from the vehicle.
Be careful to avoid scratching or chipping the paint
on the vehicle while removing
it.
counterclockwise to remove.
4. Turn the front sidemarker bulb socket a quarter turn
5-62

5. Remove the old bulb from the socket.
6. Place the new bulb into the socket.
7. Turn the bulb socket a quarter turn clockwise to
8. Carefully reinstall the headlamp assembly. Be
reinstall
it.
careful to avoid scratching or chipping the paint
on the vehicle.
9. Reinstall the two bolts on the top of the headlamp
assembly.
Center High-Mounted Stoplamp
(CHMSL)
1. Open the trunk.
2. Reach through the access opening in the trunk
and remove the slotted vent by squeezing the
ends and pulling down.
5-63

Taillamps, Sidemarker and Back-up
Lamps
1. Open the trunk.
2. Unhook the convenience net (if equipped) and
3. Remove the old bulb by turning it a quarter turn
counterclockwise.
4. Place the new bulb into the bulb socket.
5. Turn the bulb a quarter turn clockwise.
Reinstall the vent.
3. Unscrew the upper convenience net hook
attachment.
5-64

4. Pull the trunk trim carpeting away from the rear of
the trunk.
5. Remove the upper trunk trim hook and the two
plastic wing nuts from the taillamp.
6. Carefully remove the taillamp assembly. Be careful
to avoid scratching or chipping the paint
on the
vehicle.
7. Turn the lamp socket a quarter turn
counterclockwise to remove.
5-65

8. Remove the old bulb.
9. Place the new bulb into the socket.
IO. Turn the lamp socket a quarter turn clockwise to
11. Carefully reinstall the taillamp assembly by
reinstall it.
reversing Steps
1 through 5.
Be careful to avoid
scratching or chipping the vehicle’s paint.
5-66