Buick 2005 Century - Manual (Page 313)

Additional Required Services (cont’d)
Service and Miles (Kilometers)
25,000
(41 500)
50,000
(83 000)
75,000
(125 000)
100,000
(166 000)
125,000
(207 500)
150,000
(240 000)
Replace spark plugs and inspect
spark plug wires. An Emission
Control Service.
•
Engine cooling system service
(or every 5 years, whichever occurs
first). An Emission Control Service.
See footnote (i).
•
Inspect engine accessory drive belt.
An Emission Control Service.
•
6-7