1993 BUICK ROADMASTER maintenance schedule

I
Section A: Scheduled Maintenance
Services
Using Your Maintenance Schedules
This section tells you the maintenance services you
should have done and when
you should schedule them.
Your Buick dealer knows your vehicle best and wants
you to be happy with it.
If you go to your dealer for your
service needs, you’ll
know that GM-trained and
supported service people will perform the work using
genuine GM parts.
These schedules are
for vehicles that:
carry passengers and cargo within recommefided
limits.
You will find these limits on your vehicle’s
Tire-Loading Information label. See “Loading Your
Vehicle” in the Index.
are driven on reasonable road surfaces within legal
driving limits.
a use the recommended unleaded fuel. See “Fuel” in
the Index.
Selecting the Right Schedule
First you’ll need to decide which of the two schedules is
right for your vehicle. Here’s how to decide which
schedule to follow:
Schedule I
Is any one of these true for your vehicle?
a Most trips are less than 4 miles (6 km).
Most trips are less than 10 miles (16 km) when
outside temperatures are below freezing.
The engine is at low speed most of the time (as in
door-to-door .deliveryy or in stop-and-go traffic).
0 You operate your vehicle in dusty areas.
You tow a trailer.
If any one (or more) of these is true.for your driving,
follow Schedule
I.
Schedule Il
Follow Schedule 11 only if none of the above conditions
is true.
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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).
e -When most trips are' less than 10 miles (16 kilometers) and outside temperatures remain below freezing.
.e When mosttrips include extended idling and/oi- frequent low-speed operation as \
in stop-and-go traffic.
e 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 WHEN TO PERFORM (See Explanation of
Scheduled Maintenance Miles (kilometers) or
Services Following Months, Whichever
Schedules I and 11j Occurs First
I 1. Engine Oil & Oil Filter Every 3 000 mi. (5000 km)
Change* or 3 months.
I 2. Chassis Lubrication I Every other oil change
I
3. Throttle Body Mounting At 6 OQd)..mi,~10~000 km)
Bolt Torque*
I
At 6,000 mi. (10 000 km) and
km) or as necessary
4. Tire 8L Inspection ' then every 15 000 mi. (25 000 Rotation
5. Engine Accessory Drive
Belt(s) Inspection" Every
30 000 mi. (50 000 km) or 24 months.
MILES (000) I
LO 10 15
0
0
0
20 25
00
.
KILOMETER;
35 40 45
000
0
0
000)
50 55 60 65
000.
0 a
0
0
302

TO BE SERVICED
(See Explanation of
Scheduled Maintenance
' Months, Whiche'ver Services Following:
Miles (kilometers) or
WHEN TO PERFORM
I
Schedules I and 11y
Item No.
~ Occurs First
7. Front Wheel bearing
~~
Repack See Explanation of Scheduled
Maintenance Service
,Following Schedules I and I1
9. Spark Plug
Replacement*
Inspection*?
I 11. EGR System Inspection*? I
I 12. Air Cleaner Filter
Replacement*
13. Air Cleaner Inspection*?
14.Fuel Tank, Cap
& Lines
Inspection*?
15. Engine Timing &
Distributor Check*
~~
Every 30 000 mi
(50 000 km)
MILES (000)
- KILOMETERS (000)
75 80
J
The services shown in. this schedule up to 48 000 miles (80 00.0 km) should be performed after
48 000 miles at the same intervals.
* An Emission Control Service.
-f- The U.S. Environmental F'rotection Agency has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of
vehicle useful life. General Motors, however, urges that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded in "Section EMaintenance Record".

Sched.uled Maintenante Services Schedule I1
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 11)
Item No.
I. 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. Front Wheel Bearing Repack.
WHEN TO PERFORM
Miles (kilometers)
or
Months, Whichever
Occurs First
, ..
I MILE,
KILOMEl
12.5 I 25 I 37.5
Every 7 500 mi. (12 500 km) or 12 mos. a 0 0
At first and then every other oil change a 0
Every 7 500 mi. (12 500 km) or 12 mos. 0 a 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 Io
-~
Every 30 000 mi. (50 000 km) or 24 mos.
t ~~ .. Every 30 000 mi. (50 '000 km) ' ' '
; (000)
30 I 37.5 I 45
304

..
TO BE ,SERVICED
(See explanation of
Scheduled Maintenance Services Following
Schedules I'and
11)
Item No. - .
8. Transmission Service
9. Spark Plug Replacement"
10. Spark Plug. Wire.Inspection*T
11. EGR System Inspection*?
12. Air Cleaner Filter Replacement"
13. ~ir cleaner Inspection*?
14. Fuel Tank, Cap & Lines'Inspectiori*f
15. En&e Timing & Distributor Check!
WHEN TO PERFORM
., Miles (kilometers) or
Months, Whichever
Occurs First
See Explanation of Scheduled Maintenance
Services Following Schedules
I and 11
Every 30!000 mi. (50 000 km)
t-
KILOMETERS (000)
..
The'services shown in this schedule up to 45.000 miles (75 000 km) should be performed after 45 000
miles at the'same inte-Wals.
I I ..
* An Emission Control Service.
f The U.S. Environmental Protection Agency has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of
vehicle useful life. Gerieml Motors, however; urges that all recommended maintenance services be performed at the indicated intervals and the maintenance be.recorded in "Section EMaintenance
Record".
305