engine BUICK RIVIERA 1993 Repair Manual

~ Scheduled Maintenance Services Schedule I1
~
~ .
I
Follow Schedule
I1 ONLY if none of the driving conditions specified in Schedule I apply.
TO BE SERVICED
(See Explanation of
Scheduled Maintenance Services Following Schedules
I and II)
Item No.
1. Engine Oil Change*
Oil Filter Change*
2. Chassis Lubrication
3. Throttle Body Mounting Bolt Torque*
4. Tire & Wheel Inspection & Rotation
5. .Engine Accessory Drive Belt(s) Inspection*
6. Cooling System Service*
7. Transaxle Service
WHEN TO PERFORM
Miles (kilometers) or
7.5
Months, Whichever Occurs First
12.5
Every
7 500 mi. (12 500 km) or 12 mos. 0
At first and then every other oil change 0
Every 7 500 mi. (12 500 km) or 12 mos. 0
At 7 500 mi. (12 500 km) only 0
At 7 500 mi. (12 500 km) and then every
15
000 mi. (25 000 km) or as necessary 0
Every 30 000 mi. (50 000 km) or 24 mos.
See Explanation of Scheduled Maintenance
Services Following Schedules
I and I1
MILES (000)
KILOMETERS (000)
276 -

.Section B: Owner Checks and
Services At Each Fuel Fill
(It is important for you or a service station attendant
to perform these underhood checks at each fuel
fill.)
Listed below are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown in
Section
D.
CHECK OR
SERVICE
Engine Oil
Level
Engine Coolant
Level
Windshield
Washer Fluid
Level
WHAT TO DO
Check the engine oil level and add
the proper oil if necessary. See “Engine Oil” in the Index for further
details.
Check the engine coolant level in the
coolant recovery tank and add the
proper coolant mix if necessary. See “Coolant” in the Index for further
details.
Check the windshield washer fluid
level in the windshield washer tank
and add the proper fluid if necessary.
See “Windshield Washer Nuid”
in
the Index for further details. ~-~ ~- ~
280 .~

At Least Once a Month
CHECK OR
Tire Inflation
WHAT TO DO
~~ ~~ ~~ ~
Check tire inflation. Make sure they
are inflated to the pressures specified
on the Tire-Loading Information
label located on the rear edge of the
driver’s door. See “Tires” in the
Index for further details.
At Least Once a Year
CHECK OR
SERVICE I WHAT TO DO
Key Lock
the lubricant specified
in Section D. Cylinders Lubricate the key lock cylinders with
Lubricate all body door hinges. Also
Body
Lubrication lubricate ‘all hinges and latches,
including those for the hood, glove
box door and console door. Section
D tells you what to use.
CHECK OR SERVICE
Starter Switch
WHAT TO DO
or others could be injured.
Follow the stem below.
I
1. Before you start, be sure you have
enough room around the vehicle.
2. Firmly apply both the parking brake (see “Parking Brake” in the Index if
necessary) and the regular brake.
NOTE: Do not use the accelerator
pedal, and be ready to
turn off the
engine immediately if it starts.
3. Try to start the engine in each gear.
The starter should work only
in “P”
(Park) or “N” (Neutral). If the starter
works in any other position, your
vehicle needs service.
281

CHECK OR SERVICE
Parking Brake
and Automatic
Transmission
“P” (Park)
Mechanism Check
WHAT TO DO
ZAUTION: When you are doing
this check, your vehicle
could
gin to move. You or others
uld be injured and property
be damaged. Make sure
is room in front of your
hicle
in case it begins to roll.
ready to apply the regular
ake at once should the
ehicle begin to move.
Park on a fairly steep hill, with the
vehicle facing downhill. Keeping
your foot
on the regular brake, set the
parking brake.
li To check the parking brake: With
the engine running and
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.
mechanism’s holding ability: Shift
to
“P” (Park). Then release all
brakes.
To check the “P” (Park)
CHECK OR
SERVICE
Underbody
Flushing
WHAT TO DO
At least every spring, use plain water
to flush any corrosive materials
from
the underbody. Take care to clean
thoroughly any areas where mud and
other debris can collect.
283

INSPECTION OR SERVICE
Brake System
Inspection
WHAT SHOULD BE DONE
Inspect the complete system. Inspect
brake lines and hoses for proper
hookup, binding, leaks, cracks,
chafing, etc. Inspect disc brake pads
for wear and rotors for surface
condition. Inspect other brake parts, including 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.
NOTE: A low brake fluid level can
indicate worn disc brake pads which
may need to be serviced. Also, if the
brake system warning light stays on
or comes on, something may be
wrong with the brake system. See
“Brake System Warning Light” in
the Index. If your anti-lock brake
system warning light stays on or
comes
-on, something may be wrong
with the anti-lock brake system. See “Anti-Lock Brake System Warning
Light” in the Index.
Section D: Recommended Fluids and
Lubricants
NOTE: Fluids and lubricants identified below by name,
part number or specification may be obtained from your
GM dealer.
USAGE
Engine Oil
Engine Coolant
FLUID/LUBRICANT
GM Goodwrench Motor Oil or
equivalent for API service SG
Energy Conserving
I1 oils of the
proper viscosity. The
“SG’
designation may be shown alone or
in combination with others, such as
“SG/CC,” “SG/CD,” or
“SF,SG,CC,” etc. To determine the
preferred viscosity for your vehicle’s
engine, see “Engine Oil” in the
Index.
50/50 mixture of water (preferably
distilled) and good quality ethylene
glycol base antifreeze
(GM Part No.
1052753 or equivalent) conforming
to GM Specification 1825M
or
approved recycled coolant
conforming to GM Specification
1825M.
285

I
USAGE I FLUID/LUBRICANT
Hydraulic Brake Delco Supreme ll@ Brake Fluid
System (GM Part No. 1052535) or
Parking Brake Chassis lubricant meeting Guides requirements
of NLGI Grade 2,
Category LB or GC-LB (GM Part
No. 1052497 or equivalent).
Power Steering GM Hydraulic Power Steering Fluid System
- (GM Part No. 1052884) or
equivalent
DOT-3 brake fluid.
equivalent.
Automatic
Transaxle
1
Key Lock
Cylinders
DEXFtON@ IIE Automatic
Transmission Fluid (GM Part No. 1234588 1) or equivalent.
Lubricate with Multi-Purpose
Lubricant (GM Part
No. 12345 120),
synthetic
SAE 5W-30 engine oil or
silicone lubricant (GM Part
No.
1052276 or 1052277).
Automatic Engine oil.
Transaxle Shift Linkage ~ ~~~
Chassis
Lubrication Chassis lubricant . meeting
requirements
of NLGI Grade 2,
Category LB
or GC-LB (GM Part
No. 1052497 or equivalent).
USAGE
Windshield
Washer Solvent
Hood Latch Assembly
a. Pivots and Spring
Anchor
b. Release Pawl
Hood and Door
Hinges, Fuel Door Hinge
Weatherstrips
FLUIDLUBRICANT
GM Optikleen@ Washer Solvent
(GM Part No. 1051515) or
equivalent.
a. Engine oil.
b. Chassis lubricant meeting
requirements
of NLGI Grade 2,
Category LB or GC-LB (GM Part
No. 1052497 or equivalent).
Engine oil or Lubriplate Lubricant (GM Part No. 1050109).
Dielectric Silicone Grease (GM Part
No. 12345579 or equivalent).
See “Specifications Chart” in the Index for
recommended replacement filters, valves and
spark
plugs.
286

Part 9 Index
I
I
Acc (Ignition Key Position) ........................ 72
Accessory Power. Retained
......................... 83
Adding Brake Fluid
.................................. 236
Coolant
.............................. 199.202. 23 1
Electrical Equipment
.......................... 125
Power Steering Fluid
.......................... 234
Transaxle/Transmission Fluid
.................... 229
Windshield Washer Fluid
....................... 235
Additives. Engine Oil
............................. 226
Adjustment. Brake
............................... 157
Adult Safety Belt Usage
............................ 26
AirBag
......................................... 32
Aircleaner
..................................... 228
Airconditioner
................................. 119
Airoutlets
..................................... 118
Airsystem
..................................... 118
Alcohol. Driving Under the Influence of
.............. 148
Alcohol in Gasoline
.............................. 2 17
Aluminum Wheels. Cleaning
....................... 257
AM Radio Reception
............................. 124
Engineoil
................................... 224
. ..
K . . B
AM Stereo Radio Reception ....................... 124
Antenna
....................................... 137
Antifreeze
...................................... 231
Antilock Brake System
........................... 154
Anti-Theft Tips
................................... 66
Appearance Care
................................ 252
Armrest Storage
................................. 104
Astroroof
...................................... 102
Audio Systems
.................................. 124
Automatic Door Locks
............................. 63
Automatic Pull-Down Feature
....................... 64
Automatic Overdrive
.............................. 77
Automatic Transaxle
.............................. 75
Automatic Transaxle Fluid
......................... 229
Automatic Transaxle Torque Lock
................... 178
Antilock Braking System Warning Light
.............. 112
Appearance Care and Maintenance Materials
.......... 260
Ashtrays
....................................... 103
Baby. Holding a
................................. 44
Battery
........................................ 237

High Speed. Shifting When Your Engine is Running ..... 76 Jack. Tire ..................................... 205
Highway Hypnosis
............................... 172 Jacking Up the Car ............................... 205
Hill and Mountain Roads
.......................... 173 Jump Starting ................................... 186
Hills. Parking on
................................. 175
Holding a Baby in Your Car
......................... 43
Hood. Opening the
............................... 221
Horn ........................................... 84 Keys 59
Hot Coolant Warning Light
........................ 113 Keyless Entry System. Remote 64
Hydroplaning
................................... 166
..........................................
......................
Hot Engine. Safety Warnings About 196 Kilomefa- J&$q$cx .. +... .? . ... _. % ......... . ... .’_ rs.z7 t- ........ . 105 .................
Ice. Driving on ................................. 179
Identification Label. Service Parts
................... 261
Identification Number. Vehicle
..................... 261
Idling Your Engine
................................ 82
If You’re Stuck: In Sand. Mud. Ice or Snow
........... 214
Indicator. Turn Signal
............................. 85
Indicators. Disc Brake Wear ....................... 156
Indicators. Warning Lights and Gages
................ 107
Infant Restraint
................................... 45
Inflation. Tire
................................... 245
Inside Mirror
.................................... 99
Inspection. Tire
................................. 245
Instrument Panel
................................ 105
Interior Cleaning
................................ 253
Interlock. Brake-Transaxle Shift
.................. 75. 81
Introduction
. How To Use This Manual ............... 10
Ignition Key Positions
............................. 71
Label.
Service Parts Identification
.................. 261
Lane Change Indicator
............................. 85
Lap-Shoulder Belt Usage by Children
................. 55
Leaving Your Vehicle .............................. 80
Level Control. Electronic
.......................... 104
License Plate Holder. Rear
......................... 104
Light. Safety Belt
................................. -25
Light.
Turn Signal Indicator ......................... 85
Lighter. Cigarette
................................ 111
Lights Daytime Running
.............................. 98
Panel and Interior
.............................. 96
Traffic
...................................... 145
“On” Warning
................................. 96
Operation
.................................... 86
Loading Your Vehicle ............................ 242
Lap Belt
........................................ -42
Lights
& Gages. Warning Indicators ................. 107
302

Run (Ignition Key Position) ......................... 72
Running Lights. Daytime
........................... 98
Running Your Engine While You’re Parked
............ 82
Safety Belt Care
................................ 256
Safety Belt Extender
.............................. 56
Safety Belt Reminder Light
......................... 25
Safety Belt Replacement
........................... 57
Safety Belt. Center Adult Passenger
.................. 42
Safety Belt. Lap
.................................. 42
Safety Belt. Lap-Shoulder
.......................... 27
Safety Belts
..................................... 13
Safety Belts. Buckled Wrong
........................ 29
Safety Belts. Questions About
....................... 24
Safety Belts. Rear Seat Passengers
................... 38
Safety Belt.
Too Loose ............................. 28
Safety Belt.
Torn ................................. 57
Safety Belts. Twisted
.............................. 31
Safety Belts. Right Front. Adult Passenger
............. 38
Safety Belts. Usage by Adults
....................... 26
Safety Belts. Usage by Children
..................... 43
Safety Belts. Usage During Pregnancy
................. 37
Safety Belts. Why They Work
....................... 20
Safety Belts. Worn Under
Arm ...................... 30
Safety Defects. Reporting .......................... 291
Scheduled Maintenance Services
.................... 273
Safety Warnings
.................................. 10 Seats and Safety Belts
............................. 13
Seat Controls
.................................... 14
Second Gear. When to Use
......................... 77
Securing A Child Restraint
......................... 45
Security Light
................................. 67. 69
Service Tips
.................................... 216
Service A/C Light
............................... 115
Service and Appearance . Care ...................... 215
“Service Engine Soon” Warning Light
............... 113
Service Parts Identification Label
................... 261
Service Publications
.............................. 292
Setting the Clock
......................... 127.130. 132
Setting the Trip Odometer
......................... 107
ShapeofRoadSigns
............................. 143
Sheet Metal Damage
............................. 258
Shift. Brake-Transaxle Interlock
.................. 75. 81
Shift Lever Positions
.............................. 75
Shifting Into Park
................................. 79
Shifting Out of Park
............................... 81
Signaling Turns
................................... 85
Signs. Road .................................... 140
Skidding ....................................... 161
Slippery Surfaces. Driving on
...................... 179
Snow or Ice. Driving on
........................... 179
Solvent-Type Cleaner on Fabric
.................... 254
Sound Equipment. Adding
......................... 125
Sound Systems
.................................. 124
Snowstorm. If You’re Caught in a Bad
............... 180
SpareTire
...................................... 212
305’ I