2005 BUICK LESABRE engine

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Page 350 of 392

BUICK LESABRE 2005  Owners Manual 87,000 Miles (145 000 km)
❑Change engine oil and �lter (or every 3 months,
whichever occurs �rst).An Emission Control Service.
(See footnote *.)
90,000 Miles (150 000 km)
❑Change engine oil and �l

Page 351 of 392

BUICK LESABRE 2005  Owners Manual 150,000 Miles (240 000 km)
❑Drain, �ush and re�ll cooling system (or every
60 months since last service, whichever occurs �rst).
SeeEngine Coolant on page 5-24for what to use.
Inspect hoses. Clean r

Page 352 of 392

BUICK LESABRE 2005  Owners Manual However, your engine oil and �lter must be changed at
least once a year and at this time the system must
be reset. It is also important to check your oil regularly
and keep it at the proper level.
If

Page 353 of 392

BUICK LESABRE 2005  Owners Manual 30,000 Miles (50 000 km)
❑Change engine oil and �lter (or every 12 months,
whichever occurs �rst).An Emission Control
Service. (See footnote *.)
❑Inspect engine air cleaner �lter. If necessary, re

Page 354 of 392

BUICK LESABRE 2005  Owners Manual 52,500 Miles (87 500 km)
❑Change engine oil and �lter (or every 12 months,
whichever occurs �rst).An Emission Control
Service. (See footnote *.)
❑Rotate tires. SeeTire Inspection and Rotation on
p

Page 355 of 392

BUICK LESABRE 2005  Owners Manual 82,500 Miles (137 500 km)
❑Change engine oil and �lter (or every 12 months,
whichever occurs �rst).An Emission Control
Service. (See footnote *.)
❑Rotate tires. SeeTire Inspection and Rotation on

Page 356 of 392

BUICK LESABRE 2005  Owners Manual Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals speci�ed to
help ensure the safety, dependability and emission
control pe

Page 358 of 392

BUICK LESABRE 2005  Owners Manual Starter Switch Check
{CAUTION:
When you are doing this inspection, the
vehicle could move suddenly. If the vehicle
moves, you or others could be injured.
1. Before you start, be sure you have enough r