GM Service Manual Online
For 1990-2009 cars only

The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers) shown for each item. See "Maintenance Schedule" in the Index of your DeVille owner manual.

Additional Required Services

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)

Change automatic transaxle fluid and filter.

 

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Engine cooling system service (or every five years, whichever occurs first). An Emission Control Service. See footnote (i) in your DeVille owner manual.

 

 

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