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Capacities (Approximate)
The following approximate capacities are given in U.S. and metric conversions.
Air Conditioning”
............. See the refrigerant information label under hood.
Automatic Transmission Drain and Refill
....................................... 3.0 qt. (2.8 L)**
Overhaul ............................................. 5.4 qt. (5.1 L)
Automatic Transmission ................................ 5.5 qt. (5.2 L)
Manual Transmission ................................... 5.6 qt. (5.3 L)
With Filter Change ..................................... 4.5 qt. (4.2 L)*
Without Filter Change .................................. 4.2 qt. (4.0 L)
Front Differential ........................................ 1.1 qt. (1 .O L)
Fuel Tank ............................................. 11.1 gal. (42 L)
Manual Transmission
Cooling System
Crankcase
Four-wheel Drive
.................................... 1.6 qt. ( 1.5 L) **
Two-Wheel Drive ..................................... 1.8 qt. (1.7 L) **
Rear Differential ........................................ 2.3 qt. (2.2 L)
Transfer Case ........................................... 1.8 qt. ( 1.7 L)
T 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 Geo dealer.
* When changing the oil filter, additional oil may be needed. Recheck the oil level
after filling. See “Engine Oil”
in the Index.
** Recheck fluid level after filling. See “Automatic Transmission Fluid” or “Manual
Transmission Fluid”
in the Index.
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ITEM
NO. SERVICE
6 Wheel Bearin? InsDection -
Inspect for wear and proper
adjustment. Relubricate the
bearings if grease is
contaminated.
7 Transmission (All) and
Transfer Case Differential
(Four-wheel Drive) Service
-
For the manual transmission and
transfer case differential, check
the fluid level every time the
oil is changed. See “Manual
Transmission Fluid” and
“Transfer Case” in the Index.
Inspect for damage and leaks
and change the fluid every
15,000 miles
(25 000 km) or
15 months for Schedule
I
conditions and every 30,000
miles (50 000 km) or 30 months
for Schedule
II conditions.
For the automatic transmission,
check the fluid level every time
the oil is changed. See
“Automatic Transmission
Fluid” in the Index. Inspect for
damage and leaks and change
ITEM
NO. SERVICE
8
9
the fluid every 15,000 miles
(25 0o0 km) or 15 months for
Schedule
I conditions and
100,000 miles ( 166 000 km) for
Schedule
I1 conditions. Replace
the automatic transmission cooler hoses every
45,000 miles
(75 000 km).
Propeller Shafts and U-Joints
Inspection
- Inspect for
looseness and damage.
Do this
every,.l5 months, or at 15,000
mile
(25 000 km) intervals, more
frequently if used off-road
or for
pulling a trailer. Tighten U-joint
flange bolts if necessary.
Freewheeling Hubs InsDection
/If Equipped) - Inspect the
locking front hubs for correct
operation. Repair or replace if
necessary. (Both hubs must
operate correctly for the front
axle to power the front wheels.)
ITEM
NO. SERVICE
10
11
Spark Plug Replacement” -
Replace spark plugs with the
proper type. See “Replacement Pans” in the Index.
Spark Plup Wire Replacement”
-
Replace wires. Check the boot fit
at the distributor and
at the spark
plugs. Operation in extreme cold
and/or on salted roads may require
more frequent replacement.
* An Emission Control Service.
t The U.S. Environmental Protection Agency
or the California Air Resources Board has
determined that the failure to perform this
maintenance item will not null@ the emission
warranty
or limit recall liability prior to the
completion
of vehicle useful life. General
Motors, however, urges that all recommended
maintenance services be pegormed at the
indicated intervals and the maintenance be
recorded
in “Section E: Maintenance
Record.
’’
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At Least Once a Month
r
CHECK
OR SERVICE I
I
WHAT TO DO
Tire Inflation Check tire inflation. Make sure they are
inflated to the pressures specified on the Tire-Loading
Information label located on
the driver’s door lock pillar. See “Tires” in the Index for
further details.
Cassette Deck Clean cassette
deck. Cleaning should be done every
15 hours of tape play. See “Audio Systems”
in the Index for further details.
I At least Twice a Year
CHECK
OR SERVICE WHAT TO DO
Fluid Level Check Check
the transfer case, axle differential(s) and automatic or manual transmission fluid levels
and. add as needed. See “Transfer Case,” “Axle, Rear” “Axle, Front” and “Automatic Trans-
mission” or “Manual Transmission”
in the Index. A fluid loss in these systems could indicate a
problem. Have the system inspected and repaired
at once.
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Maintenance Schedule
Section B: Owner Checks and Services (Cont.)
At Least Once a Year
CHECK
OR SERVICE
Key Lock Cylinders
Body Lubrication
Starter Switch
1
WHAT TO DO
Lubricate the key lock cylinders with the lubricant specified in Section D.
Lubricate all body door hinges. Also lubricate all hinges and latches, including those for the hood,
rear compartment, glove box door, console door and any folding seat hardware. Section D tells
you what to use.
1. Before you start, be sure you have enough room around the vehicle.
2. Firmly apply both the parking brake (see “Parking Brake” in the Index if necessary) and the
NOTE:
Do not use the accelerator pedal, and be ready to turn off the engine immediately if it
starts.
3. On automatic transmission vehicles, try to start the engine in each gear. The starter should
work only in
“P” (Park) or “N” (Neutral). If the starter works in any other position, your
vehicle needs service.
On manual transmission vehicles, put the shift lever in “N” (Neutral), push the clutch down
halfway and try to start the engine. The starter should work only when the clutch is pushed
down all
the way to the floor. If the starter works when the clutch isn’t pushed all the way
down, your vehicle needs service.
regular brake.
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At Least Once a Year (CONT.)
CHECK
OR SERVICE
Brake Transmission
Shift Interlock
- BTSI
(Automatic Transmis-
sion)
Steering Column Lock
WHAT TO DO
1. Before you start, be sure you have enough room around the vehicle. It should be parked on a
2. Firmly apply the parking brake. (See “Parking Brake” in the Index if necessary).
NOTE: Be ready to apply the regular brake immediately if the vehicle begins to move.
3. With the engine off, turn the key to the “ON” position, but don’t start the engine. Without
level surface.
applying the regular brake, try
to move the shift lever out of “P” (Park) with normal effort,
If the shift lever moves out
of “P” (Park) , your vehicle’s BTSI needs service.
While parked, and with the parking brake set, try
to turn the key to “LOCK” in each shift lever
position.
0 With an automatic transmission, the key should turn to “LOCK” only when the shift lever is
With a manual transmission, the key will turn to “LOCK” only if you push the key in farther,
On vehicles with
the key release lever, try to turn the key to “LOCK” without pressing the lever.
The key should
turn to “LOCK” only with the key lever depressed. On all vehicles, the key
should come out only
in “LOCK”.
in
“P” (Park).
while turning
it towards “LOCK.”
!
I
I
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Maintenance Schedule
Section B: Owner Checks and Services (Cont.)
At Least Once a Year (CONT.)
CHECK
OR SERVICE
Parking Brake and
Automatic Transmission “P” (Park) Mechanism
Check
Underbody Flushing
WHAT TO DO
Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular
brake, set the parking brake.
0 To check the parking brake: With the engine running and transmission in “N” (Neutral),
__
slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by
the parking brake only.
To check the “P” (Park) mechanism’s holding ability: Shift to “P” (Park). Then release all
brakes. If your vehicle
is four-wheel drive, be sure the transfer case is not in “N” (Neutral).
At least every spring, use plain water to flush any corrosive materials from the underbody. Take
care to clean thoroughly any areas where mud and other debris can collect.
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Maintenance Schedule
Section D: Recommended Fluids & Lubricants
NOTE: Fluids and lubricants identified below by name, part number or specification may be obtained from your GM Dealer.
USAGE
Engine Oil
Engine Coolant
Hydraulic Brake
System
Parking Brake Guides
Power Steering
System
Manual Transmission
Automatic
Transmission
FLUID/LUBRICANT
API service SH or SG Energy Conserving I1 oils of the proper viscosity. The “SH” or “SG”
designation may be shown alone or in combination with others, such as
“SH/CD,” or “SH, SG,
CD,” “SGKD,” etc. To determine the preferred viscosity for your vehicle’s engine, see “Engine
Oil”
in the Index.
50/50 mixture of water (preferably distilled) and good quality ethylene glycol base antifreeze
(GM Part
No. 1052753 or equivalent) conforming to GM Specification 1825M or approved
recycled coolant conforming to GM Specification
1825M.
Delco-Supreme 11’” Brake Fluid (GM Part No. 1052535 or equivalent DOT-3 brake fluid).
Chassis lubricant (GM Part
No. 1052497 or equivalent) or lubricant meeting requirements of
NLGI Grade
2, Category LB or GC-LB.
DEXR0N’-IIE Automatic Transmission Fluid.
SAE
75W-90 GL-4 (GM Part No. 12346074 Castrol‘ Syntorq GL-4 or equivalent) or SAE
75W-90 GL-5 Gear Lubricant.
DEXRON3-III
or DEXRON”-IIE Automatic Transmission Fluid.
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Maintenance Schedule
Section D: Recommended Fluids & Lubr
USAGE
Key Lock Cylinders Manual Transmission
Shift Linkage
Automatic
Transmission
Shift Linkage
Clutch Linkage Pivot Points
Floor Shift Linkage
Chassis Lubrication
*icants (Cont.)
FLUID/LUBRICANT
Lubricate with Multi-Purpose Lubricant (GM Part No. 12345120) or synthetic SAE 5W-30
engine oil.
Chassis lubricant
(GM Part No. 1052497 or equivalent) or lubricant meeting requirements of
NLGI Grade 2, Category LB or GC-LB.
Engine oil.
Lithium base grease.
Engine oil.
Chassis lubricant (GM Part No.
1052497 or equivalent) or lubricant meeting requirements of
NLGI Grade
2, Category LB or GC-LB.
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