1999 CHEVROLET METRO Owners Manual

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6-33 Brake Adjustment
Every time you make a moderate brake stop, your disc
brakes adjust for wear. If you rarely make a moderate or
heavier stop, then your brakes might not adjust correctly.
If you drive in that way, then
-- very carefully -- make
a few moderate brake stops about every 1,000 miles
(1 600 km), so your brakes will adjust properly.
Replacing Brake System Parts
The braking system on a vehicle is complex. Its many
parts have to be of top quality and work well together if
the vehicle is to have really good braking. Your vehicle
was designed and tested with top
-quality GM brake
parts. When you replace parts of your braking
system
-- for example, when your brake linings wear
down and you have to have new ones put in
-- be sure
you get new approved GM replacement parts. If you
don't, your brakes may no longer work properly. For
example, if someone puts in brake linings that are wrong
for your vehicle, the balance between your front and
rear brakes can change
-- for the worse. The braking
performance you've come to expect can change in many
other ways if someone puts in the wrong replacement
brake parts.
Low Maintenance Battery
The battery in your vehicle needs only periodic service.
You never have to add water. But check the battery,
cables and battery bracket for corrosion. Clean off any
corrosion using a brush and a solution of ammonia and
water or baking soda and water. Rinse with clear water.
Vehicle Storage
If you're not going to drive your vehicle for 25 days or
more, remove the black, negative (
-) cable from the
battery. This will help keep your battery from
running down.
CAUTION:
Batteries have acid that can burn you and gas
that can explode. You can be badly hurt if you
aren't careful. See ªJump Startingº in the Index
for tips on working around a battery without
getting hurt.
Contact your dealer to learn how to prepare your vehicle
for longer storage periods.

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6-34
Bulb Replacement
The following procedures tell you how to replace the
bulbs for your vehicle. See ªReplacement Bulbsº in the
Index to check the size and type of bulb you need to use.
For any bulb changing procedure not listed in this section,
contact your Chevrolet dealer's service department.
Halogen Bulbs
CAUTION:
Halogen bulbs have pressurized gas inside and
can burst if you drop or scratch the bulb. You or
others could be injured. Be sure to read and
follow the instructions on the bulb package.
Headlamps
Halogen Capsule Lamps
1. Open the hood.
2. Using a Phillips-head screwdriver, remove the
headlamp assembly mounting screws.

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6-35
3. Pull the headlamp assembly straight out from
the vehicle.
4. Turn the plastic lock ring about one
-quarter of a turn
counterclockwise to remove it. Save the lock ring to
use with the new bulb assembly.
5. Pull up on the plastic clip. Gently pull the bulb out
for replacement.
6. Reverse the steps to replace the new bulb assembly.
Make sure the locator tab is properly aligned when
installing the headlamp assembly to the vehicle.
Headlamp Aiming
Your vehicle may have the halogen capsule headlamp
system. These headlamps have horizontal and vertical
adjustments. These have been pre
-set at the factory and
should need no further adjustment.If your vehicle is damaged in an accident and the
headlamp aim seems affected, see your dealer.
Headlamps on damaged vehicles may require:

vehicle body repair for correct installation of the
headlamp housings or

replacement with new headlamp housing(s).
NOTICE:
To make sure your headlamps are aimed
properly, read all the instructions before
beginning. Failure to follow these instructions
could cause damage to headlamp parts.

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6-36
To check the aim, the vehicle should be properly
prepared as follows:

The vehicle must have all four tires on a perfectly
level surface.

If necessary, pads may be used on an uneven surface.

The vehicle should not have any snow, ice or mud
attached to it.

The vehicle should be fully assembled and all other
work stopped while headlamp aiming is being done.

There should not be any cargo or loading of the
vehicle, except it should have a full tank of fuel and
one person or 160 lbs. (75 kg) on the driver's seat.

Close all doors.

Tires should be properly inflated.

Rock the vehicle to stabilize the suspension.
Start with the horizontal aim. The adjustment gear can
be turned with a flat
-head screwdriver.
A. ª0º Mark
B. Center Line
C. Horizontal Aiming Gear
1. Verify that the black line is not at the ª0º mark.
2. Using a flat
-tipped screwdriver, adjust the horizontal
aiming gear until the ª0º mark lines up with
the centerline.
Once the horizontal aim is adjusted, then adjust the
vertical aim.

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6-37
A. Vertical Aiming Gear
B. Vertical Indicator
For vertical adjustment:
1. Verify that the bubble is not in the center.
2. Place a flat
-tipped screwdriver into the vertical
adjusting gear.
3. Turn the adjusting gear until the bubble comes to
the center.See your dealer if you need further assistance with
headlamp aiming.
Front Turn Signal/Parking/Sidemarker Lamps
A. Turn Signal
B. Headlamp
C. Sidemarker
1. Open the hood.
2. Using a Phillips
-head screwdriver, remove the
headlamp assembly mounting screws.
3. Pull the headlamp straight out from the vehicle.

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6-38
4. Turn the turn signal bulb or sidemarker socket
counterclockwise and pull it out.
5. Pull the old bulb straight up to remove it.
6. Reverse the steps with the new bulb.
Rear Combination Lamps
To remove the rear combination bulbs:
1. Remove the two screws from the combination lamps
on the outside of the vehicle.
2. Pull back the cover on the inside of the trunk and use
a 10 mm wrench to remove the nut.
3. Pull the assembly out far enough to reach the
bulb socket.
4. Turn the socket counterclockwise and pull it out.
5. Disconnect the bulb from its socket by twisting and
then pulling the bulb out.
6. Reverse the steps to install a new bulb.

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6-39 Center High-Mounted Stoplamp
(2-Door Model)
1. Remove the two mounting screws and then the lamp
assembly from the hatchback door.
2. Remove the bulb from the socket.
3. Replace the bulb with a new one and then use the
two mounting screws to secure the lamp assembly
into place.
Center High-Mounted Stoplamp
(4-Door Model)
1. Open the rear compartment lid.
2. Remove the bulb socket from the underside of the
rear seat
-to-rear window panel.
3. Twist the bulb to the right and pull it straight out.
4. Replace the bulb with a new one and then snap and
turn the bulb socket into the lamp housing.
Rear Parking/Sidemarker Lamps
(2-Door Model)
1. Remove the rear combination lamp assembly as
described under ªRear Combination Lampsº earlier
in this section.2. Turn the socket to the left and gently pull the socket
out of the assembly.
3. Pull the old bulb straight up to remove it.
4. Reverse the steps to install a new bulb.
Dome Lamp
1. Gently pry the dome lamp lens from the dome lamp
assembly with a flat
-head screwdriver.
2. Pull the old bulb out.
3. Replace the bulb and snap the cover back into place.

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Tires
Your new vehicle comes with high-quality tires made by
a leading tire manufacturer. If you ever have questions
about your tire warranty and where to obtain service, see
your Chevrolet Warranty booklet for details.CAUTION:
Poorly maintained and improperly used tires
are dangerous.

Overloading your tires can cause
overheating as a result of too much friction.
You could have an air
-out and a serious
accident. See ªLoading Your Vehicleº in
the Index.

Underinflated tires pose the same danger as
overloaded tires. The resulting accident
could cause serious injury. Check all tires
frequently to maintain the recommended
pressure. Tire pressure should be checked
when your tires are cold.

Overinflated tires are more likely to be cut,
punctured or broken by a sudden
impact
-- such as when you hit a pothole.
Keep tires at the recommended pressure.

Worn, old tires can cause accidents. If your
tread is badly worn, or if your tires have
been damaged, replace them.