wheel CHEVROLET ASTRO 1996 Repair Manual

I Short Trip/City Maintenance Schedule I
42,000 Miles (70 000 km)
Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote #
(or every 3 months, whichever occurs first).
Check readfront axle fluid level and add, fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires, See ‘Tire Inspection and Rotation”
I. - .: . in the Index for proper rotation pattern and
’,_ ,,4. 1 ’ additional information. During tire rotation,
check brake calipers for fieedom of movement.-
Refer
to the appropriate GM service manual for
proper caliper service procedures.
I
ACTUAL MILEAGE SERVICED BY:
45,000 Miles (75 000 km)
0 Change engine oil and filter (or’every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
# (or every 3 months, whichever
occurs first).
0 Check readfront axle fluid level and,add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake reliningj whichever occurs first).
(Continued)
.. . .- - 7-15 ,,

I Short TripJCity Maintenance Schedule I
60,000 Miles (100 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
0 Lubricate chassis components; see
An Emission Control Service.
footnote # (or every 3 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
Change a1 ltomatic transmission fl .uid and
filter
if the vehicle is mainly driven under
one or more of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90" F
(32°C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery service.
If you do not use your vehicle under any of
these conditions, change the fluid and filter every
30,000 miles (50 000 km).
(Continued)
7-19

Short TripKity Maintenance Schedule
72,000 Miles (120 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
# (or every 3 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
I DATE I ACTUAL MILEAGE SERVICED BYI
75,000 Miles (125 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
## (or every 3 months, whichever
occurs first).
0 For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each brake relining, whichever occurs first).
0 Change automatic transmission fluid and
filter if the vehicle is mainly driven under
one or more
of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90 O F
(32 O C) or higher.
- In hilly or mountainous terrain.
7-22

1
w
Short. TripKity Maintenance Schedule
87,000 Miles (145 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
## (or every 3 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
6
ACTUAL MILEAGE SERVICED BY:
90,000 Miles (150 000 km)
0 Change engine oil and filter (or every
3 months, whichever occurs first). 8,
An Emission Control Sewice.
0 Lubricate chassis componenis; see
footnote
## (or every 3 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaki,ng.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
(Continued)
7-25
6'
'i

I Long Tripmighway Maintenance Schedule
30,000 Miles (50 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
# (or every 12 months, whichever
occurs first).
0 Chekk readfront axle fluid level and add
fluid
as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each ,brake relining, whichever occurs first)
0 Change automatic transmission fluid and
filter
if the vehicle is mainly driven under
one or more of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90 OF
(32" C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery
service.
If you do not use your vehicle under any of
these conditions, change the fluid andfilter every
30,000 miles (50 000 km).
0 Replace fuel filter.
0 Replace air cleaner filter.
An Emission Control Service.
An Emission Control Service.
I DATE ACTUAL MILEAGE SERVICED BY:
7-32

Long Trip/Highway Maintenance Schedule I
60,000 Miles (100 000 km)
'17 Change engine oil and filter (or every
12 months, whichever occurs first).
0 Lubricate chassis components; see
An Emission Control Service.
footnote ## (or every 12 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
17 For Two-Wheel-Drive vehicles only: Clean
and repack the front wheel bearings (or at
each brake relining, whichever occurs first).
Ch ange automatic transmission fluid
and
filter
if the vehicle is mainly driven under
one or more
of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90 OF
(32°C) or higher.
- In hilly or mountainous terrain.
- When doing frequent trailer towing.
- Uses such as found in taxi, police or
delivery service.
If you do not use your vehicle under any of
these conditions, change the fluid and filter every
30,000 miles (50 000 km).
(Continued)
7-35

I Long Trip/Highway Maintenance Schedule
82,500 Miles (137 500 km)
Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see footnote ##
(or every 12 months, whichever occurs first).
0 Check readfront axle fluid level and add fluid
as needed. Check constant velocity joints and
axle seals for leaking.
**
0 Rotate tires. See “Tire Inspection and Rotation’’
in the Index for proper rotation pattern and
additional information. During tire rotation,
check brake calipers for freedom of movement.
Refer to the appropriate
GM service manual for
proper caliper service procedures.
I
ACTUAL MILEAGE SERVICED BY:
90,000 Miles (150 000 km)
0 Change engine oil and filter (or every
12 months, whichever occurs first).
An Emission Control Service.
0 Lubricate chassis components; see
footnote
# (or every 12 months, whichever
occurs first).
0 Check readfront axle fluid level and add
fluid as needed. Check constant velocity
joints and axle seals for leaking.
**
0 For Two-Wheel-Drive vehicles only: Clean
and repack
the front wheel bearings (or at
each brake relining, whichever occurs first)
0 Change automatic transmission fluid and
filter if the vehicle is mainly driven under
one or more of these conditions:
- In heavy city traffic where the outside
temperature regularly reaches
90°F
(32°C) or higher.

Drive Axle Service
Check readfront axle fluid level and add as needed.
Check constant velocity joints and axle
seals for leaking.
Transfer Case (All-Wheel Drive) Inspection
Every 12 months or at oil change intervals, check front
axle and transfer case and add lubricant when necessary.
Oil the control lever pivot point and all exposed control
linkage. Check vent hose at transfer case for kinks and
proper installation.
Brake System Inspection
Inspect the complete system. Inspect brake lines and
hoses for proper hook-up, binding, leaks, cracks,
chafing, etc. Inspect disc brake pads for wear and rotors
for surface condition. Also inspect drum brake linings
for wear and cracks. Inspect other brake parts, including
drums, wheel cylinders, calipers, parking brake, etc.
Check parking brake adjustment.
You may need to have
your brakes inspected more often if your driving habits
or conditions result in frequent braking.
7-46

USAGE
Chassis
Lubrication
Front Wheel
Bearings
Differential,
Front and Rear
Axle
Transfer Case
Windshield
Washer Solvent
FLUIDLUBRICANT
Chassis lubricant (GM Part
No. 1052497
or equivalent) or
lubricant meeting requirements of
’ NLGI Grade 2, Category LB or
GC-LB.
Wheel bearing lubricant meeting
requirements
of NLGI Grade 2,
Category GC or GC-LB (GM Part
No.
105 1344 or equivalent).
Axle Lubricant (GM Part
No. 105227 1) or SAE
8OW-90
GL-5 Gear Lubricant.
DEXRON@-111 Automatic
Transmission Fluid.
GM Optikleen@ Washer Solvent
(GM Part
No. 1051515)
or equivalent.
USAGE
Hood Latch
Assembly Pivots,
Spring Anchor
and Release
Pawl
Hood and Door
Hinges
Weatherstrip
Conditioning
Gas Line
FLUIDLUBRICANT
Lubriplate lubricant aerosol (GM
Part
No. 12346293 or equivalent)
or lubricant meeting requirements
of NLGI Grade 2, Category LB
or GC-LB.
Multi-pu ose lubricant,
Superlube
% (GM Part
No. 1234624
1 or equivalent).
Dielectric Silicone Grease (GM
Part No. 12345579 or equivalent).
Gas Line De-Icer (GM Part
No. 105 15
16).
See “Replacement Parts” in the Index for recommended
replacement filters, valves and spark plugs.

. .. I. .
Section 9 Index
Accessory'power Outlet ......................... 2-49
Add-on Equipment
............................. 4-28
AirBag
....................................... 1-24
Adding Equipment
............................ 1-30
How Does it Restrain
.......................... 1-28
How it Works
................................ 1-26
Location
.................................... 1-26
Readiness Light
......................... 1.25. 2.54
What Makes it Inflate
.......................... 1-27
What Will
You See After it Inflates .... : .......... 1-28
When Should it Inflate
......................... 1-27
Aircleaner
.................................... 6-19
Air Conditioning
................................ 3-5
Air Conditioning Refrigerants
..................... 6-68
Alignment and Balance. Tire
...................... 6-47
All-Wheel Drive
.......................... 2.21. 6.23
Aluminum Wheels. Cleaning
....................... 6-55
Antenna. Fixed
................................. 3-28
Antifreeze
...................................... 6-25
Anti-Lock
Brake System Warning Light
................ 2-57. 4-6
Brakes
...................................... 4-6
knti-Theft. Radio
.............................. 3-23
Appearance Care
............................... 6-49
Appearance Care Materials
....................... 6-58
Arbitration Program
.............................. 8-7
Servicing
................................... 1-29
Ashtrays
...................................... 2-48
Audio Equipment. Adding
. : ...................... 3-2t
Automatic Audio Systems
.................................. 3-8
Transmission Check
........................... 7-42
Transmission Operation
........................ 2-18
Axle Front
....................................... 6-24
LockingRear
................................ 2-21
Rear
....................................... 6-25
Battery
...................................... 6-35
Jump Starting
................................. 5-2
Replacement. Remote Keyless Entry ............... 2-8
Warnings
...................................... 5-2
BBB Auto Line ................................. 8-7
Better Business Bureau Mediation
................... 8-5
Brake
Adjustment
...................... ........... 6-35
Fluid
..................................... ;.6-32
Master Cylinder
.............................. 6-32
Parking
..................................... 2-21
PedalTravel .................................. 6-32
Replacing System Parts
........................ 6-32
Trailer
...................................... 4-3:
Transmission Shift Interlock Check
............... 7-42
Wear
............................. : ......... 6-3'
9-1