1999 CHEVROLET METRO engine

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6-61
*When changing the oil filter, additional oil may be
needed. Recheck the oil level after filling. See ªEngine
Oilº in the Index.
**Recheck the fluid level after filling. See ªAutomatic
Transaxle Fluidº or ªManual Transaxle Fluidº in
the Index.
Engine Specifications
Type
VIN Engine Code 6 L3. . . . . . . . . . . . . . . . . . . . . . .
VIN Engine Code 2 L4. . . . . . . . . . . . . . . . . . . . . . .
Firing Order
VIN Engine Code 6 1
-3-2 . . . . . . . . . . . . . . . . . . . . .
VIN Engine Code 2 1
-3-4-2 . . . . . . . . . . . . . . . . . . .
Horsepower
VIN Engine Code 6 55 hp @ 5700 rpm. . . . . . . . . .
VIN Engine Code 2 79 hp @ 6000 rpm. . . . . . . . . .
Fuel DeliveryFuel Injection . . . . . . . . . . . . . . . . . . .
Piston Displacement
VIN Engine Code 6 61 CID (1.0L). . . . . . . . . . . . . .
VIN Engine Code 2 79 CID (1.3L). . . . . . . . . . . . . .
Valve ArrangementIn
-Head . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same.
If the air conditioning system in your vehicle needs
refrigerant, be sure the proper refrigerant is used.
If you're not sure, ask your dealer.
See the refrigerant charge label under the hood for
information regarding refrigerant capacity.
Normal Maintenance
Replacement Parts
Air Cleaner Filter AC Type A1203C. . . . . . . . . . . . . .
Battery 26R
-50S . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Oil Filter AC Type PF53. . . . . . . . . . . . . . . .
Fuel Filter GM Part No. 96068664 or equivalent. . . . .
PCV Valve GM Part No. 96051849. . . . . . . . . . . . . . .
Radiator Pressure Cap 13 psi (90 kPa). . . . . . . . . . . .
Spark Plugs
1.0L L3 Engine AC Type R42XLS. . . . . . . . . . . . . . .
0.039 to 0.045 inch gap (1.0 to 1.1 mm)
1.3L L4 Engine NGK Type BKR6E11. . . . . . . . . . . .
0.039 to 0.045 inch gap (1.0 to 1.1 mm)
1.3L L4 Engine Denso Type K20PR
-U11 . . . . . . . . .
0.039 to 0.045 inch gap (1.0 to 1.1 mm)

Scheduled Maintenance
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7-5
Short Trip/City Definition
Follow the Short Trip/City Scheduled Maintenance if
any one of these conditions is true for your vehicle:

Most trips are less than 5 to 10 miles (8 to 16 km).
This is particularly important when outside
temperatures are below freezing.

Most trips include extensive idling (such as frequent
driving in stop
-and-go traffic).

Most trips are through dusty areas.

If the vehicle is used for delivery service, police, taxi
or other commercial application.
One of the reasons you should follow this schedule if
you operate your vehicle under any of these conditions
is that these conditions cause engine oil to break
down sooner.
Short Trip/City Intervals
Every 3,000 Miles (5 000 km): Engine Oil and Filter
Change (or 3 months, whichever occurs first).
Every 6,000 Miles (10 000 km): Chassis Lubrication
(or 6 months, whichever occurs first). Tire Rotation.
Every 12,000 Miles (20 000 km): Manual Transaxle
Fluid Change (or 12 months, whichever occurs first).
Every 15,000 Miles (25 000 km): Air Cleaner Filter
Inspection, if driving in dusty conditions. Valve Lash
(Clearance) Adjustment (1.3L Code 2 engine only).
Fuel Tank, Cap and Lines Inspection (or every
15 months, whichever occurs first).
Every 30,000 Miles (50 000 km): Air Cleaner Filter
Replacement. Spark Plug Replacement. Ignition Coil
Plug Cap Inspection (1.3L Code 2 L4 engine only) (or
every 30 months, whichever occurs first). Engine
Accessory Drive Belt Inspection (or every 24 months,
whichever occurs first). Cooling System Service (or
every 30 months, whichever occurs first).

Scheduled Maintenance
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7-6
Short Trip/City Intervals
Every 50,000 Miles (83 000 km): Automatic Transaxle
Service (severe conditions only).
Every 60,000 Miles (100 000 km): Camshaft Timing
Belt Inspection. Brake Fluid Service. Spark Plug Wire
Replacement (or every 60 months, whichever occurs
first). Wiring Harness and Connectors Inspection (or
every 60 months, whichever occurs first).
Every 100,000 Miles (166 000 km): Fuel Filter
Replacement. Camshaft Timing Belt Replacement.
Every 120,000 Miles (200 000 km): Evaporative
Emissions Canister Air Suction Filter Replacement
(or every 120 months, whichever occurs first).
These intervals only summarize maintenance services.
Be sure to follow the complete scheduled maintenance
on the following pages.
Long Trip/Highway Definition
Follow this scheduled maintenance only if none of the
conditions from the Short Trip/City Scheduled
Maintenance is true. Do not use this schedule if the
vehicle is used for trailer towing, driven in a dusty area
or used off paved roads. Use the Short Trip/City
schedule for these conditions.
Driving a vehicle with a fully warmed engine under
highway conditions causes engine oil to break
down slower.

Scheduled Maintenance
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7-7
Long Trip/Highway Intervals
Every 7,500 Miles (12 500 km): Engine Oil and Filter
Change (or every 7.5 months, whichever occurs first).
Chassis Lubrication (or every 12 months, whichever
occurs first). Tire Rotation.
Every 15,000 Miles (25 000 km): Valve Lash
(Clearance) Adjustment (1.3L Code 2 engine only).
Fuel Tank, Cap and Lines Inspection (or every
15 months, whichever occurs first).
Every 30,000 Miles (50 000 km): Engine Accessory
Drive Belt Inspection (or every 24 months, whichever
occurs first). Cooling System Service (or every
30 months, whichever occurs first). Spark Plug
Replacement. Ignition Coil Plug Cap Inspection
(1.3L Code 2 L4 engine only) (or every 30 months,
whichever occurs first). Air Cleaner Filter
Replacement. Manual Transaxle Fluid Change
(or 30 months, whichever occurs first).
Long Trip/Highway Intervals
Every 50,000 Miles (83 000 km): Automatic Transaxle
Service (severe conditions only).
Every 60,000 Miles (100 000 km): Camshaft Timing
Belt Inspection. Spark Plug Wire Replacement (or
every 60 months, whichever occurs first). Wiring
Harness and Connectors Inspection (or every
60 months, whichever occurs first). Brake
Fluid Service.
Every 100,000 Miles (166 000 km): Fuel Filter
Replacement. Camshaft Timing Belt Replacement.
Every 120,000 Miles (200 000 km): Evaporative
Emissions Canister Air Suction Filter Replacement
(or every 120 months, whichever occurs first).
These intervals only summarize maintenance services.
Be sure to follow the complete scheduled maintenance
on the following pages.

Short Trip/City Scheduled Maintenance
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7-9
3,000 Miles (5 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
6,000 Miles (10 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 6 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
9,000 Miles (15 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
12,000 Miles (20 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
(Continued)
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Short Trip/City Scheduled Maintenance
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7-10
12,000 Miles (20 000 km) (Continued)

Lubricate chassis components (or every 6 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)

Change manual transaxle fluid (or every 12 months, whichever occurs first).
15,000 Miles (25 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.

Inspect air cleaner filter if you are driving in dusty conditions. Replace filter
if necessary.
An Emission Control Service. (See footnote
.)
Inspect the valve lash and adjust if necessary (1.3L Code 2 engine only).
An Emission Control Service.
Inspect fuel tank, cap and lines and any hoses for damage (or every
15 months, whichever occurs first).
An Emission Control Service. (See footnote
.)
18,000 Miles (30 000 km)
Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
ACTUAL
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ACTUAL
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Short Trip/City Scheduled Maintenance
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7-11

Lubricate chassis components (or every 6 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)
21,000 Miles (35 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
24,000 Miles (40 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 6 months, whichever occurs first).
(See footnote #.)

Rotate tires. See ªTire Inspection and Rotationº in the Index for proper
rotation pattern and additional information. (See footnote +.)

Change manual transaxle fluid (or every 12 months, whichever occurs first).
ACTUAL
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ACTUAL
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Short Trip/City Scheduled Maintenance
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7-12
27,000 Miles (45 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.
30,000 Miles (50 000 km)

Change engine oil and filter (or every 3 months, whichever occurs first).
An Emission Control Service.

Lubricate chassis components (or every 6 months, whichever occurs first).
(See footnote #.)

Inspect engine accessory drive belts (or every 24 months, whichever
occurs first).
An Emission Control Service.

Drain, flush and refill cooling system (or every 30 months, whichever occurs
first). See ªEngine Coolantº in the Index for what to use. Inspect hoses. Clean
radiator, condenser, pressure cap and neck. Pressure test the cooling system
and pressure cap.
An Emission Control Service. (See footnote
.)
Replace spark plugs.
An Emission Control Service.
Inspect ignition coil plug cap (1.3L Code 2 L4 engine only) (or every
30 months, whichever occurs first).
An Emission Control Service. (See footnote
.)
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