1993 BUICK RIVIERA tow

A CAUTION:
Rust or dirt on the wheel, or on the parts to
which it
is fastened, can make the wheel nuts
become loose after
a time. The wheel could
come off and cause an accident. When you
change a wheel, remove any rust or dirt from
the places where the wheel attaches to the
vehicle.
In an emergency, you can use a cloth or
a paper towel to do this; but be sure to use a
scraper or wire brush later, if you need to, to get
all the rust or dirt off.
Remove any rust or dirt from the wheel bolts, mounting
surfaces or spare wheel.

I Place the spare on the
wheel
.mounting
surface.
' Replace the wheel nuts with
the rounded-end of the nuts
toward the wheel. Tighten'
each nut by hand
until the
wheel
is held against the ' -
hub.
, counterclockwise. Lower the jack completely.
Lower the vehicle
by rotating the wheel wrench
/r CAUTIO'N:
Never use ail or grease on studs 1 nuts. If you
d,o, the nuts might !corne l~oose. Your w,heel
muld fall 'off, causing a serious accident.

Engine Oil
It’s a good idea to check your engine oil every time you
get fuel.
In order to get an accurate reading, the oil must
be warm and the vehicle must be on level ground.
The engine
oil dipstick.is
directly behind the engine
fan..
Turn off the engine and
give the oil a
few minutes
to drain back into the oil
pan.
If you don’t, the oil
dipstick might not show the
actual level.
To Check Engine Oil: Pull ’
1 out the dipstick and clean it
with a paper towel or cloth,
I.ii’ ” then push it back in all the
.. , way. Remove it again,
When to Add Oil: If the oil is at or below the ADD
mark, then you’ll need to add some oil. But you must
use tlwright kind. This section explains what kind
of oil
to use. For crankcase capacity, see “Capacities and
Specifications”
in the Index.

Then, without shutting off the engine, follow these
stem:
1. Pull out the dipstick and
wipe it with a clean rag
or paper towel.
2. Push it ‘back in aa the way, wait three seconds and
I :then pull it back out again.
3. Check both sides ofthe
dipstick, and read the
lower level. The fluid
level must be
.in the
cross-hatched
mea.
P
4. If the fluid level is where it should be, push the
How to Add Fluid:
dipstick back in all the way.
Refer
to the Maintenance Schedule to determine what
kind of transaxle fluid to
use. See “Recommended
Fluids and Lubricants” in the Index.
If the- fluid level is low, add only enough of the proper
fluid
to bring the level into the cross-hatched area on the
dipstick. It doesn’t take much fluid, generally less than a \
pint. D,on’t overfill. We recommend you use only fluid
labeled DEXRONB-IIE, because fluids with that label
230
I

Scheduled Maintenance Services Schedule I
Follow Schedule I if your car is MAINLY driven under one or more of the following conditions:
0 When most trips are less than 4 miles (6 kilometers).
0 When most trips are less than 10 miles (16 kilometers) and outside temperatures remain below fieezing.
0 When most trips include extended idling and/or frequent low-spee\
d operation as in stop-and-go traffic.
0 Towing a trailer.*?
0 When operating in dusty areas.
Schedule I should also be followed if the car is used for delivery service, police, taxi or other commercial applications.
TO BE SERVICED
(See Explanation of
Scheduled Maintenance
Services Following
Schedules
I and n)
Item No.
1. Engine Oil & 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*
WHEN TO PERFORM
Miles (kilometers) or Months, Whichever MILES (000)
Occurs First
k
Every 3 000 mi. (5000 km)
or 3 months. , I
Every other oil change
At
6 000 mi. (10 000 km)
only
I
At 6 000 mi. (10 000 km) and
then every
15 000 mi. (25 000
km) or as necessary I
Every 30 000 mi.
(50 000 km) or 24 months.
KILOMETERS (000)
30 35
00
0
0
..
45 50 55
000
0
0
65 70
00
0
274

1
Why Wear Safety Belts ? ........................... 19
Windows. Power
................................. 84
Windshield Cleaning
.................................... 256
Washer
...................................... 88
Washer Fluid
................................. 235
Wipers
................................... 87. 256
Winter Driving
.................................. 178
WireWheelCover
............................... 206 Working on Your Car
............................. 216
Worn Tires
...................................... 247
Wrecker Towing
................................. 191
Your Driving and the Road
....................... 139
Your Own Signs
................................. 147
Your Vehicle and the Environment
.................. 271
I
308