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 Section 6, "Maintenance Schedule" in your DeVille owner manual.

Additional Required Services

Service and Miles (Kilometers)

25,000 (40 000)

50,000 (80 000)

75,000 (120 000)

100,000 (160 000)

125,000 (200 000)

150,000 (240 000)

Change automatic transaxle fluid and filter.

 

·

 

·

 

·

Engine cooling system service (or every 5 years, whichever occurs first). An Emission Control Service. See footnote (i) in your DeVille owner manual.

 

 

·

 

 

·

The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers) shown for each item.

Additional Required Services

Service and Miles (Kilometers)

25,000 (40 000)

50,000 (80 000)

75,000 (120 000)

100,000 (160 000)

125,000 (200 000)

150,000 (240 000)

Inspect fuel system for damage or leaks.

·

·

·

·

·

·

Inspect exhaust system for loose or damaged components.

·

·

·

·

·

·

Replace engine air cleaner filter. See Engine Air Cleaner/Filter .

 

·

 

·

 

·

Throttle body service. An Emission Control Service. See footnotes † and (l).

·

·

·

·

·

·

Replace seat cushion filter (or every two years, whichever occurs first).

·

·

·

·

·

·

Replace seatback filter (or every five years, whichever occurs first).

 

·

 

·

 

·

Change automatic transaxle fluid and filter (severe service only). See footnote (h).

 

·

 

·

 

·

Replace spark plugs. An Emission Control Service.

 

 

 

·

 

 

Except Professional Vehicle: Engine cooling system service (or every five years, whichever occurs first). An Emission Control Service. See footnote (i).

 

 

 

 

 

·

Professional Vehicle Only: Engine cooling system service (or every five years, whichever occurs first). An Emission Control Service. See footnote (i).

 

 

·

 

 

·

Inspect engine accessory drive belt. An Emission Control Service. See footnote (n).

 

 

 

 

 

·