1998 CHEVROLET S10 service

Refer to the Maintenance Schedule to determine when to
replace the air filter. See “Scheduled Maintenance
Services”
in the Index.
Operating th, dnginc .Ah the air cleaner off can
cause
you or others to be burned. The air cleaner
not .only cleans the .air, it stops flame if .the, engine.
backfires.
If it isn’t there, and the engine
backfires,
you .cotild be .burned. Don? drive with
it off, and:be. careful working on the engine with
the
air cleaner off:
NOTICE:
If ‘the air -cleaner .is off, a backfire can cause a
damaging engine:f?re.
And, dirt can easily- get
into your engine, which
will damage it. Always
have the air cleaner inplace when you’re drfving.
Automatic Transmission Fluid
When to Check and Change
A good time to check your automatic transmission-fluid
level kwhen.
the. engine oil is changed.
Change
both the fluid, and filter every 15,OO.O miles
(25 -000 km) if the vehicle is mainly driven under .one-or
more .of these conditions:
0 In heavy city traffic where the outside temperature.
In hilly or mountainous terrain.
When doing .frequent trailer towing,
Us - - such as fo.und.in taxi, - 1ice:Qr de1ivery:semice.
If you do not us.e your vehicle under any of these
conditions,, change
the fluid and filter every
50,000 miles -(83 000 km).
See “Scheduled Maintenance Services” in the Index..
regularly reaches190”F
(32°C) or
higher.
How .to Check
Because this, operation can be a little difficult, you
may choose to have-this done at your GM-dealership
Service Department.
6-17
ProCarManuals.com

I
Wow to Check Lubricant Front Axle
If the level is below the bottom of the filler plug hole,
you’ll need
to add some lubricant-. Add enough.lubricant
to raise the levell to.
the bottom of Ithe fillex plug hole.
What to Use
Refer to the M:aintenance Schedule to determine what
kidof lubricant
to use. See “Recommended Fluids and
Lubricants’9
in thdndex.
When to Check and Change Lubricant
Refer to the Maintenance Schedule to determine how
often
to check.the lubricant and when to change it. See.
“Schedul.ecl Maintenance Services” in
the Index.
How to Check Lubricant
.. .
:,,:,..: ,... ..
If the level is below -the bottom of the filler plug hole,
y.ou- may need
to actd some lubricant.
6-24
ProCarManuals.com

The L-ke wc,: warnin, sound means tht-so.on
your- brakes wanit wa.s.k.we11. That..could 1egd.to
an accident. When you hear the brake wear
warningsound, .. have, yo.w vehicle serviced,
.
NOTICE:.
ProCarManuals.com

Bulb Replacement
Befre.you replace any bulbs., be sure that- all the 1.mps
axe offand; &e-engine isn’t running. See- “Replacement
B-ulbs” .in .,&e- Index..
F.or my bulb changing procedure not listed -in zhis
section, contact your GM dealer% service dep,artment.
Halagen Bulbs
I
..Headlamps.
OnemPiece Comp.osi’te .Headlamp System
i. Open the ho.od.
.1
6-35
ProCarManuals.com

eduler
Maintenance .Services
The proper fluids and lub~cants to use are listed in
Part D. Make. sure whoev-er servides your vehicle uses
these. All parts -should be replaced-and all netessary
repairs done behre you or -anyo;ao else drives
the vehicle.-
First. you’ll need to decide- which of thc. two schedules
is right for your vehj&. Hg-e’..s haw to decide which
schedule to follow
7-4
ProCarManuals.com

.Maintenance Schedule
Every 7,500 Miles. (12 500 krn): Engine .Oil and Filter
Change (or every
€.2 months, whichever occurs. first).
Chas& Lubrication
(or every .12 -months,, whichever
cs first). Drive Axle Service. 'IC- atation.
Every 15,000 Miles (25 OQO km): Automatic
Every 30,000 Mriles (50 000. km): Fuel Filter
.Transmission Service,
(severe conditions .only).
Replacement. Au Cleaner Filter Replacement. Front
Wheel
Bearing Rep-ack (2WD only) (or at each brake
felining, whichever
occurs first).
Every 50,000 Miles (83 000 km): Automatic
TransrnissiQn Service (noma1 conditiobs)
.
Every 60,000 Miles (PO0 000 km): Engine
Acces.sory .Drive Belt Inspection. Fuel
Tank, Cs
and Lines Inspection.
Every. 100,000. Miles (166 000 km): Spark Plug Wire
Inspection.
Spark Plug Replacement. 4.3L Engine.
Only: Positive Crankcase Ventilation (PCV) vdve
Inspection.
Every 150,000 Miles (240 000 km): Cooling System
S.ervice (or every
60 months, whichever oceurs first).
.These intervals only summmize vllainfename servitm.
Be sure tu follow the .completg maintenance schedule on
the following pages.
7-7
ProCarManuals.com

I Short TripKity Maintenance S.chedule I
I DATE I
MILEAGE SERVICED. BY
DATE I
MILEAGE
ProCarManuals.com

I Long Tripmighway Maintenance Schedule I
37,500 Miles (62 500 km)
0 Change eagine oil. and filter (or.every 12 -months, whichever occurs. first).
An Emission Ccwtrol Service.
DATE. I
- In hilly or mountainous: terrain.
(Continued)
7-33
ProCarManuals.com