Additional Required Services - GMC 2005 Envoy Owner's Manual

Additional Required Services

The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers)
shown for each item.
Service and Miles (Kilometers)
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 on page 5-19.
Change automatic transmission fluid and filter
(severe service). See footnote (h).
Change automatic transmission fluid and filter
(normal service).
Automatic transfer case only: Change transfer
case fluid. See footnote (g).
Replace spark plugs. An Emission Control
Service.
V8 engine only: Inspect spark plug wires.
An Emission Control Service.
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 (l).
6-6
Additional Required Services
25,000 50,000
(41 500) (83 000)
75,000 100,000
(125 000) (166 000) (207 500)
125,000 150,000
(240 000)