2006 CADILLAC STS engine

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CADILLAC STS 2006 1.G Owners Manual Capacities and Speci�cations
The following approximate capacities are given in English and metric conversions. SeeRecommended Fluids and
Lubricants on page 6-12for more information.
ApplicationCapacit

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CADILLAC STS 2006 1.G Owners Manual Engine Speci�cations
Engine VIN Code Transmission Spark Plug Gap
3.6L HFV6 7 Automatic 0.044 inches (1.1 mm)
4.4L DOHC V8 (V-Series) D Automatic 0.040 inches (1.0 mm)
4.6L DOHC V8 A Automatic 0.040 in

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CADILLAC STS 2006 1.G Owners Manual Maintenance Schedule......................................6-2
Introduction...................................................6-2
Maintenance Requirements..............................6-2
Your Vehicle

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CADILLAC STS 2006 1.G Owners Manual Maintenance Schedule
Introduction
Important: Keep engine oil at the proper level and
change as recommended.
Have you purchased the GM Protection Plan? The Plan
supplements your new vehicle warranties.

Page 436 of 480

CADILLAC STS 2006 1.G Owners Manual Scheduled Maintenance
When the CHANGE ENGINE OIL SOON message in
the Driver Information Center (DIC) comes on, it means
that service is required for your vehicle. Have your
vehicle serviced as soon as

Page 437 of 480

CADILLAC STS 2006 1.G Owners Manual Scheduled Maintenance
Service MaintenanceIMaintenanceII
Change engine oil and �lter. SeeEngine Oil on page 5-18. Reset oil life system.
SeeEngine Oil Life System on page 5-22.An Emission Control Servi

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CADILLAC STS 2006 1.G Owners Manual Additional Required Services
The following services should be performed at the �rst maintenance service (IorII) after the indicated miles
(kilometers) shown for each item.
Additional Required Services

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CADILLAC STS 2006 1.G Owners Manual Additional Required Services (cont’d)
Service and Miles (Kilometers)25,000
(40 000)50,000
(80 000)75,000
(120 000)100,000
(160 000)125,000
(200 000)150,000
(240 000)
Engine cooling system service
(o