Service Intervals & Specifications

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, 2003 Buick Regal, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

REPLACEMENT INTERVALS

Component

Miles

Air Filter

⁽¹⁾ 30,000

Accessory Drive Belt

⁽²⁾

Automatic Transaxle Fluid

⁽³⁾

Engine Coolant ⁽⁴⁾

⁽⁵⁾

Fuel Filter

⁽⁶⁾

Oil & Filter

⁽⁷⁾

Spark Plugs

100,000

Supercharger Oil

⁽⁸⁾

⁽¹⁾	Inspect every 15,000, replace as necessary.

⁽²⁾	Check and replace as necessary.

⁽³⁾	Under normal service conditions, replace at 100,000 miles. If used under severe service conditions, replace every 50,000 miles.

⁽⁴⁾	Use only DEX-COOL® coolant or equivalent silicate-free coolant.

⁽⁵⁾	Replace at 60 months or 150,000 miles, whichever occurs first.

⁽⁶⁾	There is no service interval for fuel filter replacement. Only replace the fuel filter if the filter is restricted. Inspect the fuel tank internally and clean the fuel tank if a restricted fuel filter is found.

⁽⁷⁾	Replace as indicated by GM Oil Life System™ monitor or every 12 months, whichever occurs first. Reset monitor. If system is reset accidentally or not functional, change oil every 3,000 miles or 3 months from last oil change, whichever occurs first.

⁽⁸⁾	Check supercharger oil every 30,000 miles or every 36 months, whichever occurs first.