1993 CHEVROLET CORVETTE Owners Manual

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....... ,.
I his part covers the, maintenance
required for
your Corvette. Your
vehicle needs these services to retain
its safety, dependability and emission
control performance.
r-I I
Have you purchased the GM
Protection Plan?
The Plan supplements your new
vehicle warranties. See your
Chevrolet dealer for details.
part 7
Maintenance Schedule
Section
.Introduction
A Word About Maintenance .......................................................... 322
Your Vehicle and the Environment ................................................. 322
How This Part is. Organized ........................................................... 323
Using- Your Maintenance Schedules ............................................... 324
Selecting the Right Schedule ........................................................... 324
Schedule I ........................................................................\
............... 3.26
Schedule I1 ........................................................ ~ .............................. 328
Explanation of Scheduled Maintenance Services ......................... 330
At Each Fuel Fill ........................................................................\
...... 333
At -Least Once a Month ................. ...:. ....... ..;. .................... ;.. ............. 333
At Least Once A Ye ar..., .................................................................... 334
A. Scheduled Maintenance Services 4
B. Owner Checks & Services
C. Periodic Maintenance Inspections ....................................................... 336
D. Recommended Fluids &-Lubricants ............................................... ..... 337
E. Maintenance Record ........................................................................\
...... 340
32 I

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Introduction
A Word About Maintenance
We at General Motors want to help you keep your vehicle in
good working condition. But we don’t know exactly how
you’ll drive it. You may drive very short distances only a few
times a week. Or you may drive long distances all the time
in very hot, dusty weather.
You may use your vehicle in
making deliveries. Or you may .drive it to work, to do
errands or in many other ways.
Because
of all the different ways people use their GM
vehicles, maintenance needs vary. You may even need more
frequent che~ks and replacements than you will find in the
schedules
in this part. So please read this part and note how
you drive. If you have any questions on how to keep your
vehicle
in good condition, see your Chevrolet dealer, the
place many GM owners choose to have their maintenance
work done. Your dealer cq be relied upon to use proper
parts and practices.
Your Vehicle and the Environment
Proper vehicle maintenance not only helps to keep your
vehicle in good woxking condition, but
also helps the
environment.
All recommended maintenance procedures are
important. Improper vehicle maintenance or the removal
of
important components can significantly affect the quality of
the air we breathe. Improper fluid levels or even the wrong
tire inflation can increase the level
of emissions from your
vehicIe.
To help protect our environment, and to help keep
your vehicle in good condition, please maintain your vehicle.
properly.

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How This Part is Organized
The remainder of this part is divided intu five secti.ons:
Section
A: Scheduled Maintenance Services shows .what to.
.have done and how often. Some of these servicescan be
complex, so unless. you are. technically qualified and have-
the necessary equipment, you should let your deder's
service department or another qualified service center do
these jobs.
A
Performing maintenance -work on a vehicle &I be
dangerous. XnXrying.to do some jabs, you can be
sericiusly injured, Do your own maintenance work, only
if you have the required .know-how and the proper tools
and equipment for the job. If yuu have any doubt, have
a qualified technician do the work:
Ifyou 'are sldi,ed enough to do some work on your vehicle,
you will probably want to get the service infamation GM
publishes. You will find a list of publications and how to get
them in this manual, See the index under Service
Publications.

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Section A: Scheduled Maintenance Services
Selecting the. RjgM Schedule
First you'll need to decide which of the two. s-chedules is
.right for your vehiJe. Here's how to decide which schedule
to follow:
. . 324

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Is any one af these true for'your vehicle?
Most trips are. less thm 4-miles (6 lun).
4 Most trips are less than 10 miles (16 km) when outside
The engine is at low speed most. of the time (-as in stop-
0- 'You operate your-vehicle- in dusty areas.
If any one (ar more) of theseis true for your driving, fbllow
Schedule
?.
'ternpetatures are below freezing.
and-go trac).

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Section A: Scheduled Maintenance Sewices (cont.1
Schedule I
Follow Schedule I if your vehick is
MAINLY driven under one or more of
the following conditions:
-* When most trips are less than 4 miles
When most trips are less than 10
(6 h).
miles (16 km) and outside
temperatures remain below -freezing.
When most trips indude extended
idling and/or frequent low-speed
operation, as in stop-and-go trafiic.
When operating in dusty areas.
Schedule I should also be fallowed if
the vehicle is used for delivery service,
police, taxi or other comercid
applications.
An Emission Control Service.
The
US. Environmental Protection
Agency has determined that the failure to
perforpn this maintenance item wiE mi
nullify the emission warranty or limit
recall liability prior to the compl&km of
vehicle useful life. General Motors,
however, urges that all TecommM
maintenance services be performed at thz
indicated intervals and the rnaintmnce
be recorded in Section E: Maintenance
Recurd.
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