2004 CHEVROLET OPTRA lock

1. Park the vehicle on a level surface.
You can remove the coolant surge tank pressure
cap when the cooling system, including the coolant
surge tank pressure cap and upper radiator
hose, is no longer hot. Turn the pressure cap slowly
counterclockwise (left) about two or two and
one-half turns. If you hear a hiss, wait for that to
stop. This will allow any pressure still left to be
vented out the discharge hose.
2. Then keep turning the pressure cap slowly, and
remove it.
5-31

4. Remove the headlamp cap by turning it
counterclockwise.
5. Release the spring that retains the bulb.
6. Remove the old bulb.
7. Install the new bulb.
8. Install the bulb retaining spring.
9. Install the wiring harness connector to the bulb and
replace the headlamp cap by turning it clockwise.
10. Reverse Steps 1 through 2 to install the headlamp
assembly. Then, check the lamps.
Front Turn Signal and Parking
Lamps
1. Open the hood.
2. Remove the two bolts and the one nut and remove
the headlamp assembly.
3. Turn the bulb socket counterclockwise.
4. Pull the bulb socket out of the lamp housing.
5. Press the bulb inward and turn it counterclockwise
to remove it from the bulb socket.
5-45

6. Install the new bulb into the holder by pressing it in
and turning it clockwise.
7. Install the socket into the lamp housing by turning it
clockwise.
8. Reverse Steps 1 through 2 to install the assembly.
Then, check the lamps.
Turn Signal Lamps (Side)
Your vehicle may have this side turn signal lamp.
1. Remove the side turn signal lamp assembly by
pulling it forward.
2. Turn the bulb holder counterclockwise.3. Remove the bulb from the lamp housing by pulling
the bulb straight out of the holder.
4. Install the new bulb into the bulb holder by pushing
in and turning the bulb holder clockwise.
5. Push the side turn signal lamp assembly back into
its original position.
Fog Lamps
1. Disconnect the wiring
harness connector
from the front fog
lamp bulb.
2. Turn the front fog lamp bulb counterclockwise and
remove it.
3. Install the new bulb.
4. Connect the wiring harness connector to the front
fog lamp bulb.
5-46

Sidemarker Lamps (Front)
1. Open the hood.
2. Remove the headlamp assembly.
3. Turn the front sidemarker bulb socket
counterclockwise.
4. Pull the front sidemarker bulb socket out of the front
bumper.
5. Pull the old bulb straight out of the bulb socket
6. Push the new bulb straight into the socket.
7. Reverse Steps 1 through 4 to install the assembly.
Sidemarker Lamps (Rear)
1. Reach inside of the rear bumper and locate the
socket.
2. Turn the rear sidemarker bulb socket
counterclockwise.
3. Pull the rear sidemaker bulb socket out of the rear
bumper.
4. Pull the old bulb straight out from the bulb socket.
5. Push the new bulb straight into the socket.
6. Reverse Steps 1 through 3 to install the bulb socket.
5-47

3. Remove the bulb socket by turning it
counterclockwise.
4. Remove the bulb from the socket by pressing the
bulb and turning it counterclockwise.
5. Install the appropriate bulb into the socket.
6. Replace the bulb socket into the lamp housing.
Turn the bulb socket clockwise to secure.
7. Replace the trim cover.
8. Close the trunk or liftgate.Replacement Bulbs
Lamps Bulb Number
Back-Up 94535571
Center High-Mounted
Stoplamp/Sidemarker - Front
and Rear94535587
Headlamps - High-Beam 94535541
Headlamps - Low-Beam 94535546
Tail/Stoplamp 94535574
Turn Signal - Front and Parking
Lamp94535578
Turn Signal - Rear 94535572
For any bulb not listed here, contact your dealer.
5-49

CAUTION: (Continued)
3. Turn off the engine and do not restart
while the vehicle is raised.
4. Do not allow passengers to remain in the
vehicle.
To be even more certain the vehicle won’t
move, you should put blocks at the front and
rear of the tire farthest away from the one
being changed. That would be the tire on the
other side, at the opposite end of the vehicle.
The following steps will tell you how to use the jack and
change a tire.
5-65

Removing the Spare Tire and Tools
The compact spare tire and tools you will need
are located in the cargo area.
A. Jack
B. Wheel WrenchC. Jack Handle
D. Screwdriver1. Remove the trim cover from the floor of the cargo
area by pulling up on the tab.
2. Remove the foam tray that contains the tools.
3. Turn the retainer on the compact spare tire
counterclockwise and remove the retainer.
4. Remove the compact spare tire. SeeCompact
Spare Tire on page 5-72for more information.
5-66

5. Remove the jack, the jack handle and the wheel
wrench. The jack is located in the cargo area, in front
of the compact spare tire. Turn the jack retainer,
located on the right side of the jack, counterclockwise
to release it. The jack handle and the wheel wrench
are located inside the foam tray.
Removing the Flat Tire and Installing
the Spare Tire
1. If your vehicle has wheel covers, use the jack
handle to begin loosening the wheel covers.
Using the flat end of the jack handle or the
screwdriver, pry along the edge of the wheel cover
until it comes off.
2. Then use the wheel wrench to loosen all the wheel
nuts. Do not remove them yet.
5-67