Additional Required Services
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Perform the following services during the first maintenance (Maintenance-I or Maintenance-II) after the indicated kilometers (miles) shown for each item.
Additional Required Services
| Service | 41 500 km (25,000 mi) | 83 000 km (50,000 mi) | 125 000 km (75,000 mi) | 166 000 km (100,000 mi) | 207 500 km (125,000 mi) | 240 000 km (150,000 mi) |
|---|---|---|---|---|---|---|
| Inspect the fuel system for damage or leaks. | X | X | X | X | X | X |
| Inspect the exhaust system for loose or damaged components. | X | X | X | X | X | X |
| Replace the engine air cleaner filter. Refer to Air Cleaner Element Replacement | X | X | X | X | X | X |
| 6-speed manual transmission only: Change clutch fluid. Refer to footnote (18) in Maintenance Footnotes | X | X | X | X | X | X |
| Allison Transmission only: For severe service, change the automatic transmission fluid and filter. Refer to footnote (10) in Maintenance Footnotes . | X | X | X | X | X | X |
| Allison Transmission only: For normal service, change the automatic transmission fluid and filter. | - | X | - | X | - | X |
| Change the transfer case fluid. Refer to footnote (9) in Maintenance Footnotes . | - | X | - | X | - | X |
| Except Allison: For sever service, Change automatic transmission fluid and filter. Refer to footnote (15) in Maintenance Footnotes | - | X | - | X | - | X |
| Except Allison: For normal service, Change automatic transmission fluid and filter. | - | - | - | X | - | - |
| Four-wheel drive with automatic transfer case only: Change transfer case fluid. Refer to footnote (13) in Maintenance Footnotes . | - | X | - | X | - | X |
| Inspect the evaporative control system. Refer to footnotes (1) and (16) in Maintenance Footnotes . | - | X | - | X | - | X |
| Replace the spark plugs and inspect spark plug wires.. | - | - | - | X | - | - |
| Engine cooling system service or every 5 years, whichever occurs first. Refer to footnote (11) in Maintenance Footnotes . | - | - | - | - | - | X |
| Inspect the engine accessory drive belt. | - | - | - | - | - | X |
| 5-speed manual transmission only: Change manual transmission fluid. | - | - | - | - | - | X |