1993 CHEVROLET ASTRO PASSENGER maintenance schedule

Downloaded from www.Manualslib.com manuals search engine Scheduled Maintenance Services
This part tells you the maintenance services you should have done and when
you should schedule them. Your GM dealer knows your vehicle best and
wants you to be happy with
it. If you go to your dealer for all your service
needs, you’ll know that GM-trained and supported service peop\
le will perform
the work using genuine GM parts.
These schedules are for vehicles that:
carry passengers and cargo within the recommended limits. You will find
these limits on your vehicle’s Certification Label. See “L\
oading Your
Vehicle”
in the Index.
are driven on regular road surfaces, and within legal driving \
limits, as
described in Section
4, “Your Driving and the Road”.
use the proper fuel. See “Fuel” in the Index.
Selecting The Proper Maintenance Schedule
Your driving conditions and how you use your vehicle will help you determine
which schedule to use. The schedules are found later in this section.
MAINTENANCE SCHEDULE I
Is any one of these true for your vehicle?
Most trips are less than 4 miles (6 kilometers).
Most trips are less than 10 miles (16 kilometers) and the outside
The engine is at low speed most of the time (as in stop-and-go traffic,
You operate in dusty areas frequently.
You tow a trailer.
temperatures are below freezing.
door-to-door delivery,
or other commercial uses).
If any one (or more) of these is true for your driving, follow\
Schedule I. The
chart for Schedule
I has plus signs (t).
MAINTENANCE SCHEDULE II
Follow Schedule II ONLY if none of the above conditions are true. The chart
for Schedule
II has dots (.).
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-
1 MAINTENANCE SERVICES FOR
I I If your driving conditions meet those specified in “Scheduled Maintenance
FOOTNOTES:
*An Emission Control Service
**See “Explanation
of Scheduled Maintenance Services” in this section.
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t
t
THE SERVICES SHOWN ON THIS CHART UP TO 60,000 MILES (100 000 km)
ARE TO BE DONE AFTER 60,000 MILES AT THE SAME INTERVALS.
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SCHEDULED MAINTENANCE SERVICES FOR
13
14
15
-
-
-
If your driving conditions meet those specified in “Scheduled Ma\
intenance I
Services” in this Section, use Maintenance Sc
Spark Plug Wire Inspection*
Engine Timing Check*
Fuel Tank, Cap and Lines Inspection*
Engine Accessory Drive Belt Inspection*
Tire and Wheel Rotation
e
Drive Axle Service e
Brake Systems Inspection**
FOOTNOTES:
*An Emission Control Service
**See “Explanation
of Scheduled Maintenance Services” in this section.
TO285
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36
62.5 60
37.5
e
0
e
0
39
65
THE SERVICES SHOWN ON THIS CHART UP TO 60,000 MILES (100 000 km)
ARE TO BE DONE AFTER 60,000 MILES AT THE SAME INTERVALS. T028t
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Explanation Of Scheduled Maintenance Services
Below are explanations of the services listed in the maintenance charts.
The proper fluids and lubricants to use are listed in this section. Make sure
whoever services your vehicle uses these. All parts should be \
replaced and
all necessary repairs done before you or anyone else drives th\
e vehicle.
1. ENGINE OIL AND OIL FILTER CHANGE* -ALWAYS USE SG OR
SG/CE QUALITY, ENERGY CONSERVING II OILS OF THE PROPER
VISCOSITY.
To determine the preferred viscosity oil for your vehicle’s
engine (e.g. SAE 5W-30). See “Engine Oil” in the Index.
bushings, steering linkage, transfer case shift linkage, parking \
brake cable
guides, propshaft splines, universal joints and brake pedal spri\
ngs at the
intervals specified on the proper maintenance schedule or at ev\
ery
engine oil change, whichever comes first.
2.
CHASSIS LUBRICATION -Lubricate the front suspension, king pin
Ball joints and king pin bushings should not be lubricated unl\
ess their
temperature is
10°F (-12”C), or higher. When the weather is cold, let
them warm up before lubrication or they could be damaged.
Also, be sure to check all the vehicle fluid levels at this time.
3.
COOLING SYSTEM SERVICE* -Drain, flush and refill system with new
coolant. See the Index under “Engine Coolant” for the pro\
per coolant and mixture to use in your vehicle.
Also inspect the hoses and replace them
if they are cracked, swollen, or
deteriorated. Tighten all hose clamps. Clean the outside of the radiator
and air conditioning condenser. Wash the radiator neck.
To ensure proper
operation, pressure test the radiator and cap.
4. AIR CLEANER FILTER REPLACEMENT* -Replace at specified
intervals. Replace more often under dusty conditions. Ask your \
dealer for
the proper replacement intervals for your driving conditions.
5. FRONT WHEEL BEARING REPACK (2-WHEEL DRIVE ONLY) -Clean
and repack the front wheel bearings at each brake relining, or at the
specified interval, whichever comes first.
* An Emission Control Service

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Parking brake and transmission P (Park) mechanism operation -
I CAUTION
When you are doing this check, your vehicle could begin to mo\
ve. I
/i You or others could be injured and property could be damaged.
Make sure there is room in front of your vehicle in case you\
begin
to roll. Be ready to apply the regular brake at once should the \
vehicle begin to move.
Park on a fairly steep hill, with the vehicle facing downhill.\
Keeping your foot
on the regular brake, set the manual parking brake.
To check the parking brake: With the engine running and the
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: Apply the regular
brake and shift to
P (Park). Release the manual parking brake, then
slowly release the regular brake.
Lap and shoulder belts condition and operation -Inspect belt system,
including: webbing, buckles, latch plates, retractors, guide loop\
s and anchors.
Have a belt assembly replaced
if the webbing has been cut or otherwise
damaged.
Body Lubrication Service -Lubricate all body door hinges including the
tailgate, tailgate handle pivot points, and tailgate mounted spa\
re tire carrier
(if
equipped), lubricate the body hood, fuel door and rear compart\
ment hinges, latches, any locks and any moving seat- hardware. Lubricate the\
hood safety
lever pivot and prop rod pivot. More frequent lubrication may \
be required
when exposed to a corrosive environment.
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Recommended Fluids & Lubricants
NOTE: Fluids and lubricants identified below by name, part number or
specification may be obtained from your GM Dealer.
USAGE FLUID/LUBRICANT
Engine Oil GM Goodwrench Motor Oil or equivalent for API Service SG
or SGlCE of the recommended viscositv.
Engine Coolant Mixture
of water and a good quality ethylene
glycol base
antifreeze conforming
to GM-6038-M (GM Part No. 1052103).
Hydraulic Brake Systems Delco Supreme
ll@ brake fluid (GM Part No. 1052535 or
I DOT-3).
Parking Brake Cables Chassis lubricant meeting requirements of GM-6031-M (GM
Part No. 1052497).
Power Steering System GM Power Steering Fluid (GM Part No. 10\
50017) or equivalent conforming
to GM spec 9985010.
Manual Steering Gear GM Lubricant (GM Part No. 1052182) or e\
quivalent.
Automatic Transmission DEXRONB IIE Automatic Transmission Fluid (GM Part No.
~ ~~
1051 855).
Differential:
a. Standard - Front and a. SAE-80W-90 gear lubricant (GM Part No. 1052271).\

Rear Axle
b. SAE-80W-90 gear lubricant (GM Part No. 1052271).
b. Locking
Transfer Case DexronB
IIE Automatic Transmission Fluid (GM Part No.
1051 855).
Column Shift, Propeller Shaft Chassis lubricant meeting requireme\
nts of NLGl Grade
2,
Slip Splines and Universal Category LB or GC-LB (GM Part No. 10524\
97).
Joints.
Hood Latch Assembly
a. Pivots and spring anchor a. Engine oil (GM Part No. 1050109).
b. Release Pawl b. Chassis lubricant meeting requirements of GM-6031-M
Front Wheel Bearings Wheel bearing lubricant meeting requirements\
of NLGl Grade
Constant Velocity
U I Joint Chassis lubricant meeting requirements of GM-6031-M (GM
(GM Part No. 1052497).
2, Category GC or GC-LB (GM Part No. 1051344).
Part
No. 1052497)
Automatic Transmission Shift Engine oil
Linkage, Floor Shift Linkage,
Hood and Door Hinges, Body
Door Hinge Pins, Folding Seat,
Fuel Door Hinge
(Continued next page) TO279
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