change time CHEVROLET SUBURBAN 1993 Owner's Manual

Scheduled Maintenance Services
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 the ve\
hicle.
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 or
10W-30), see “Engine Oil” in the Index.
2. CHASSIS LUBRICATION -Lubricate the front suspension, king pin
bushings, steering linkage, transmission, and transfer case shift\
linkage,
parking brake cable guides, propshaft splines
(2 wheel drive), brake
pedal springs, and clutch pedal springs at the intervals specif\
ied.
If you have a 3500 HD, lubricate the king pins and king pin bushings
every
1,500 miles (2500 km) for Maintenance Schedule 1, or every 3,000
(5000 km) for Maintenance Schedule 2.
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.
CLUTCH FORK BALL STUD LUBRICATION -Lubricate the clutch fork
ball stud through the fitting on the clutch housing. Lubricant \
must be
added “sparingly” to the fitting, as only.
0066 Ib. (.003 kg) is required to
lubricate the ball stud surface. Do not add lubricant more often than the
intervals in the Maintenance Charts.
Too much lubricant will damage
the clutch
assembly.
4. ENGINE IDLE SPEED ADJUSTMENT (DIESEL ENGINES)* -Adjust to
the specifications shown on the underhood label. You must use
calibrated test equipment.
5. COOLING SYSTEM SERVICE* -Drain, flush and refill system with new
coolant. See “Engine Coolant” in the Index for the proper\
coolant and
mixture
to use in your vehicle.
Also inspect the hoses and replace them if they i cracked, swollen, or
deteriorated. Tighten all hose clamps (except consrant tension clamps).
Remove debris and clean the outside of the radiator and air c\
onditioning
condenser. Wash the radiator neck.
To ensure proper operation, pressure
test the radiator and cap.
* An Emission Control Service
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When contacting Chevrolet, please remember that your concern will lik\
ely be
resolved in the dealership, using the dealership's facilities, equipment and \
personnel. That is why we suggest you follow Step One first
if you have a
concern.
Customer Assistance for the Hearing or
Speech Impaired (TDD)
To assist owners who have hearing difficulties, Chevrolet has insta\
lled special
TDD (Telecommunications Devices for the Deaf) equipment at its Customer
Assistance Center, Any hearing or speech impaired customer who \
has access
to a TDD or conventional teletypewriter (TTY) can communicate with Chevrolet
by dialing:
In the United States ..................................................................... 1 -800-TDD-CHEV
In Canada ........................................................................\
.................. 1 -800-263-3830
GM Participation in Better Business
Bureau Mediation/Arbitration Program"
*This program may not be available in all states, depending on state law.
Canadian owners refer
to your warranty booklet.
General Motors reserves the right to change eligibility limitati\
ons and/or
to
discontinue its participation in this program.
Our experience has shown that the Customer Satisfaction Procedur\
e
described earlier in this section has been very successful in \
achieving
customer satisfaction. However, if you have not been substantial\
ly satisfied,
Chevrolet wants you
to be aware of GMs voluntary participation in a
no-charge mediation/arbitration program called BBB AUTO
LINE. This program
is administered by the Council of Better Business Bureaus throu\
gh local
Better Business Bureaus. The program can resolve individual disp\
utes
involving vehicle repairs and the interpretation of your New Vehicle Limited
Warranty.
We prefer that you
not resort to BBB AUTO LINE until after a final decision
is made under the Customer Satisfaction Procedure. However, you \
may file a
claim
at any time by contacting your local Better Business Bureau (BBB) at
the following toll-free number:
1-800-955-51 00. For further information about
filing a claim, you may also write
to: BBB AUTO HOTLINE, Council of Better
Business Bureaus, 4200 Wilson Boulevard, Suite 800, Arlington, V\
irginia
22203,
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