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
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Fastener Tightening Specifications
SCHEMATIC WIRING DIAGRAMS
ENGINE HEATING/COOLING WIRING SCHEMATICS
Engine Cooling
Fig. 1: Engine Cooling Wiring Schematics
DIAGNOSTIC INFORMATION AND PROCEDURES
DIAGNOSTIC CODE INDEX
DTC P0480, P0481, P0691, P069
