Pontiac Vibe 2007 Owner's Manual page 385

Inspect for tappet noise and engine vibration.
Adjust valve clearance to factory specifications if
necessary (or every 48 months, whichever
occurs first). An Emission Control Service.
Inspect fuel tank, cap, cap gasket, and lines for
damage or leaks (or every 24 months, whichever
occurs first). Replace parts as needed. An
Emission Control Service. (See footnote †.)
Change manual transaxle fluid every
30,000 miles (48 000 km) only if your vehicle is
used to tow a trailer.
Change automatic transaxle fluid every
60,000 miles (96 000 km) if the vehicle is mainly
driven under one or more of these conditions:
− In heavy city traffic where the outside
temperature regularly reaches 90°F
(32°C) or higher.
− In hilly or mountainous terrain.
− When doing frequent trailer towing.
− Uses such as found in taxi, police, or
delivery service.
If you do not use your vehicle under any of these
conditions, the fluid does not require changing.
See Part D: Recommended Fluids and Lubricants
on page 394 for the proper fluid to use.
150,000 Miles (240 000 km)
Drain, flush, and refill the cooling system
(or every 5 years, whichever occurs first). This
service can be complex; you should have
your dealer perform this service. See Engine
Coolant on page 294 for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap,
and neck. Pressure test cooling system and
pressure cap. An Emission Control Service.
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