engine BUICK REGAL 1998 Owners Manual
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Page 340 of 388

I Maintenance  Schedule I 
7,500 Miles (12 500 knt) 
0 Check  Oil  Life Monitor. If engine  oil  and filter  are  changed,  reset monitor. 
See  “Engine  Oil” 
in the Index. 
An Emission  Control  Sewice. (See  footnote *.) 
rotation pattern  and  additional information.  (See  footnote +.) 
0 Rotate tires. See “Tire  Inspection  and Rotation” in the Index  for proper 
15,000 Miles (25 000 km) 
0 Check  Oil Life  Monitor. If  engine  oil  and  filter  are  changed,  reset monitor. 
See  “Engine Oil”  in the  Index. 
An Emission  Control Sewice. (See  footnote *.) 
0 Inspect air cleaner  filter if you are driving  in dusty conditions.  Replace  filter 
if  necessary. 
An  Emission  Control Service. (See  footnote t.) 
0 Replace passenger  compartment  air filter. 
0 Rotate tires. See “Tire Inspection  and  Rotation” in the Index  for  proper 
rotation pattern and  additional information.  (See  footnote 
+.) 
22,500 Miles (37 500 km) 
0 Check Oil Life  Monitor.  If engine  oil and  filter  are  changed,  reset monitor. 
See  “Engine Oil”  in the  Index. 
An Emission  Control  Service. (See  footnote *.) 
DATE 
MILEAGE 
ACTUAL I SERVICEDBY: I 
DATE I 
MILEAGE 
ACTUAL SERVICED BY: 
DATE 
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Maintenance  Schedule 
0 Rotate tires. See “Tire  Inspection  and  Rotation” in the Index  for  proper 
rotation  pattern  and  additional information.  (See  footnote 
+.) 
30,000 Miles (50 000 km) 
17 Check  Oil  Life  Monitor. If engine  oil  and filter  are  changed,  reset monitor. 
See  “Engine  Oil”  in the  Index. 
An  Emission  Control  Service. (See  footnote *,) 
0 Replace  passenger  compartment  air  filter. 
0 Rotate tires. See “Tire  Inspection  and Rotation”  in the Index  for  proper 
0 Replace  air cleaner  filter. 
0 Inspect  fuel  tank,  cap  and  lines  for  damage or leaks.  Inspect  fuel  cap  gasket 
rotation 
pattern  and  additional  information.  (See  footnote 
+.) 
An Emission  Control  Service. 
for  any  damage.  Replace  parts  as needed. 
An Emission  Control  Service. (See footnote?.) 
0 For supercharged  engines  only:  Check  the supercharger  oil  level  and add oil as 
needed  (or  every 
36 months,  whichever  occurs  first).  See “Recommended 
Fluids  and Lubricants”  in this  section. 
An  Emission  Control  Service. (See  footnote?.) 
DATE 
7-7 
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I Maintenance  Schedule I 
37,500 Miles (62 500 km) 
0 Check Oil Life Monitor.  If engine  oil and  filter  are  changed, reset monitor. 
See  “Engine  Oil”  in the  Index. 
An  Emission Control Service. (See  footnote *.) 
rotation pattern and additional  information.  (See  footnote +.) 
0 Rotate tires. See “Tire Inspection  and  Rotation” in the Index  for  proper 
45,000 Miles (75 000 km) 
0 Check Oil Life  Monitor. If engine  oil  and filter are  changed, reset monitor. 
See  “Engine Oil”  in the  Index. 
An Emission Control Service. (See  footnote *.) 
0 Inspect air  cleaner  filter  if  you are driving in dusty conditions.  Replace filter 
if  necessary. 
An  Emission Control Service. (See  footnote “f) 
0 Replace  passenger  compartment  air  filter. 
Rotate tires. See “Tire Inspection  and Rotation”  in the Index  for proper 
rotation pattern and additional information.  (See  footnote 
+.) 
DATE 
DATE 
MILEAGE 
50,000 Miles (83 000 km) 
0 Change  automatic transaxle fluid and  filter if the vehicle  is mainly driven 
MILEAGE under  one  or  more of these  conditions: 
- In heavy city traffic where the outside temperature regularly reaches 90°F 
(32°C) or higher. 
7-8 
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I Maintenance  Schedule I 
- In hilly or  mountainous  terrain. 
- When doing  frequent  trailer  towing. 
- Uses such as  found in taxi, police  or  delivery service. 
If you  do not use your vehicle  under  any of these  conditions,  the fluid  and 
filter  do  not require  changing. 
52,500 Miles (87 500 km) 
Check Oil Life  Monitor.  If engine  oil and  filter  are  changed,  reset monitor. 
See  “Engine  Oil”  in the Index. 
An Emission  Control Service. (See footnote *.) 
rotation pattern  and  additional  information.  (See  footnote +.) 
0 Rotate tires. See “Tire  Inspection  and Rotation”  in  the Index  for  proper 
60,000 Miles (100 000 km) 
Check Oil  Life Monitor.  If engine  oil  and filter  are  changed,  reset monitor. 
See  “Engine  Oil”  in the  Index. 
An Emission  Control Service. (See  footnote *.) 
Replace  passenger  compartment  air  filter. 
(Continued) 
DATE I 
ACTUAL 
7-9 
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I Maintenance  Schedule I 
60,000 Miles (100 000 km) (Continued) 
0 For supercharged engines only: Check  the supercharger  oil level and add oil as 
needed  (or every 
36 months, whichever occurs  first).  See “Recommended 
Fluids and Lubricants”  in this section. 
An Emission Control Service. (See footnote?.) 
0 Rotate  tires. See “Tire Inspection and Rotation”  in the Index  for proper 
0 Inspect  engine  accessory drive belt. 
0 Replace  air cleaner filter. 
0 Inspect fuel tank,  cap and  lines  for  damage or leaks.  Inspect  fuel  cap  gasket 
rotation pattern 
and additional  information.  (See  footnote 
+.) 
An Emission Control Service. 
An Emission Control Service. 
for any damage.  Replace  parts as needed. 
An Emission Control Service. (See footnote?.) 
67,500 Miles (112 500 km) 
0 Check  Oil Life  Monitor. If engine  oil  and filter  are changed,  reset monitor.  See 
“Engine  Oil”  in  the Index. 
MILEAGE 
An Emission Control Service. (See  footnote *.) 
rotation pattern and additional information.  (See  footnote +.) 
0 Rotate tires. See “Tire  Inspection  and  Rotation” in the Index  for proper 
7-10 
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I Maintenance  Schedule I 
75,000 Miles (I25 000 km) DATE 
0 Check Oil Life  Monitor. If engine oil and  filter  are  changed,  reset  monitor.  See 
0 Inspect  air  cleaner  filter if you  are  driving in dusty  conditions.  Replace  filter  if 
SERVICED BY: ACTUAL 
“Engine  Oil”  in  the  Index. 
An Emission Control Service. (See  footnote *.) 
MILEAGE 
An Emission Control Service. (See  footnote “f) 
necessary. 
0 Replace  passenger  compartment  air  filter. 
0 Rotate  tires. See “Tire  Inspection  and  Rotation” in the  Index  for proper 
rotation  pattern  and  additional  information.  (See  footnote 
+.) 
82,500 Miles (I37 500 km) 
0 Check  Oil  Life Monitor.  If  engine  oil and  filter  are  changed,  reset  monitor.  See 
“Engine  Oil”  in  the Index. 
MILEAGE 
An Emission Control Service. (See  footnote *.) 
rotation  pattern  and  additional  information.  (See  footnote +.) 
0 Rotate  tires.  See “Tire  Inspection  and  Rotation”  in the  Index  for proper 
90,000 Miles (I50 000 km) 
0 Check  Oil  Life Monitor. If engine  oil  and  filter are  changed,  reset  monitor. 
See  “Engine  Oil” in the  Index. 
An Emission Control Service. (See  footnote *.) 
I DATE 1 
(Continued) 
7- 13 
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I Maintenance  Schedule 1 
90,000 Miles (150 000 km) (Continued) 
0 Replace passenger  compartment  air filter. 
0 Replace  air cleaner filter. 
An Emission Control Service. 
0 Inspect  fuel  tank, cap and  lines  for damage  or  leaks. Inspect  fuel  cap gasket 
for  any  damage.  Replace 
parts as needed. 
An Emission Control Service. (See  footnote?.) 
0 For supercharged  engines only: Check  the supercharger  oil  level and add oil as 
needed  (or every 
36 months, whichever occurs  first). See “Recommended 
Fluids  and Lubricants” in this  section. 
An Emission Control Service. (See footnote?.) 
rotation pattern  and additional information.  (See  footnote 
+.) 
0 Rotate tires. See “Tire Inspection  and Rotation” in the  Index  for proper 
97,500 Miles (162 500 km) 
0 Check Oil Life  Monitor. If engine  oil  and filter  are  changed, reset monitor. 
See  “Engine  Oil” in the  Index. 
An Emission Control Service. (See footnote *.) 
rotation pattern  and additional information.  (See  footnote +.) 
17 Rotate tires. See “Tire Inspection  and Rotation” in  the Index  for  proper 
DATE I 
MILEAGE 
7-12 
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1 Maintenance  Schedule I 
100,000 Miles (166 000 km) 
0 Inspect  spark plug wires. 
An Emission  Control Service. 
0 Replace  spark  plugs. 
0 Change  automatic  transaxle  fluid  and filter  if the  vehicle  is mainly  driven 
An Emission  Control Service. 
under one  or  more  of these  conditions: 
- In  heavy  city traffic  where  the  outside  temperature  regularly reaches 90°F 
- In hilly  or mountainous  terrain. 
(32°C) 
or higher. 
- When  doing  frequent 
trailer towing. 
- Uses  such  as found  in taxi,  police  or delivery  service. 
If you  do not  use your  vehicle under any of these conditions, the  fluid and 
filter 
do not  require  changing. 
150,000 Miles (240 000 km) 
0 Drain,  flush  and refill  cooling  system  (or  every 60 months  since  last  service, 
whichever  occurs  first).  See “Engine  Coolant”  in the Index  for  what to use. 
Inspect  hoses.  Clean  radiator, condenser,  pressure  cap  and neck.  Pressure  test 
the  cooling  system  and pressure  cap. 
An Emission  Control Service. 
DATE - 
MILEAGE ACTUAL 1 SERVICEDBY: 
I DATE 
7-13 
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Part B: Owner  Checks  and  Services 
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  Part 
D. 
At Each Fuel Fill 
It  is  important for you or a service station attendant  to 
peform  these underhood  checks at each  fuel 
fill. 
Engine Oil Level  Check 
Check  the engine  oil  level and add the proper  oil if 
necessary.  See “Engine  Oil” in the  Index  for 
further  details. 
Engine  Coolant  Level  Check 
Check the  engine  coolant  level  and add DEX-COOL’ 
coolant  mixture  if necessary. 
See “Engine  Coolant”  in 
the Index  for  further  details. 
Windshield  Washer  Fluid  Level  Check 
Check the windshield washer  fluid  level in the 
windshield washer tank and add  the proper  fluid if 
necessary.  See “Windshield  Washer Fluid” in the Index 
for  further  details. 
At Least Once a Month 
Tire  Inflation  Check 
Make  sure  tires are inflated to the  correct  pressures. See 
“Tires” 
in the Index  for  further  details. 
Cassette  Deck  Service 
Clean cassette  deck.  Cleaning should be  done every 
50 hours  of tape  play.  See  “Audio  Systems”  in the 
Index  for  further  details. 
7-14 
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Starter  Switch  Check Brake-Transaxle  Shift  Interlock  (BTSI)  Check 
L L CAUIION: I 
1 
When you are  doing  this  check,  the  vehicle  could 
move  suddenly.  If  it  does,  you  or  others  could  be 
injured.  Follow  the  steps  below. 
A CAUTUN: 
When  you  are  doing  this  check,  the  vehicle  could 
move  suddenly.  If 
it does, you or  others  could  be 
injured.  Follow  the  steps  below. 
1. Before  you start, be  sure you have enough  room 
around the vehicle. 1. 
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 
PARK (P) or  NEUTRAL (N). 
If the  starter  works in any  other  position,  your 
vehicle needs service. 
2. 
3. 
Before  you start, be  sure you have  enough room 
around the vehicle. It should be parked on 
a 
level surface. 
Firmly apply the parking brake (see “Parking Brake”  in  the  Index  if necessary). 
NOTE:  Be ready  to apply the regular brake 
immediately  if the vehicle begins to move. 
With  the engine  off, turn  the key  to the 
RUN 
position, but don’t start the  engine. Without applying 
the regular brake,  try to move  the shift lever 
out of 
PARK 
(P) with  normal effort. If the shift lever 
moves out 
of PARK (P), your vehicle’s BTSI 
needs service. 
7-16 - 
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