Engine Oil Level Check; Owner Checks And Services; At Each Fuel Fill - Buick Automobile User Manual

(i) Drain, flush, and refill cooling system. This service
can be complex; you should have your dealer/retailer
perform this service. See Engine Coolant on page 5-27
for what to use. Inspect hoses. Clean radiator,
condenser, pressure cap, and filler neck. Pressure test
the cooling system and pressure cap.
(j) Check throttle system for interference or binding and
for damaged or missing parts. Replace parts as
needed. Replace any components that have high effort
or excessive wear. Do not lubricate accelerator or
cruise control cables.
(k) A fluid loss in any vehicle system could indicate a
problem. Have the system inspected and repaired
and the fluid level checked. Add fluid if needed.
(l) If you drive regularly under dusty conditions, inspect
the filter at each engine oil change.
(m) Visually inspect belt for fraying, excessive cracks, or
obvious damage. Replace belt if necessary.
6-8

Owner Checks and Services

These owner checks and services should be performed
at the intervals specified to help ensure the safety,
dependability, and emission control performance of your
vehicle. Your dealer/retailer can assist you with these
checks and services.
Be sure any necessary repairs are completed at once.
Whenever any fluids or lubricants are added to your
vehicle, make sure they are the proper ones, as shown
in Recommended Fluids and Lubricants on page 6-12.

At Each Fuel Fill

It is important to perform these underhood checks at
each fuel fill.

Engine Oil Level Check

Notice: It is important to check the engine oil
regularly and keep it at the proper level. Failure to
keep the engine oil at the proper level can cause
damage to the engine not covered by your warranty.
Check the engine oil level and add the proper oil if
necessary. See Engine Oil on page 5-18.