Buick Enclave: Special Application Services
► Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000
km/3,000 mi.
► Have underbody flushing service performed once a year.
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Your vehicle is an important investment and caring for it properly may help to
avoid future costly repairs. To maintain vehicle performance, additional maintenance
services may be required. It is
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COOLING FAN DESCRIPTION AND OPERATION
Fig. 49: Cooling Fan Description and Operation
The engine cooling fan system consists of 2 electrical cooling fans and 3 fan
relays. The relays are arranged in a
series/parallel (S/P) configuration that allows the engine control module (ECM)
to operate both f
Use of the recommended fuel is an important part of the proper maintenance of
this vehicle. To help keep the engine clean and maintain optimum vehicle performance,
we recommend the use of gasoline advertised as TOP TIER Detergent Gasoline.
Look for the TOP TIER label on the fuel pump to ensure