spark plugs BUICK CENTURY 1999 Owner's Manual

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6-65 Engine Specifications
Type V6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Displacement 191 CID. . . . . . . . . . . . . . . . . . . . . . . .
Firing Order 1
-2-3-4-5-6 . . . . . . . . . . . . . . . . . . . . . .
Thermostat Temperature 195
F (91
C) . . . . . . . . . . .
Horsepower 160 @ 5200. . . . . . . . . . . . . . . . . . . . . . .
Air Conditioning Refrigerants
Not all air conditioning refrigerants are the same. If the
air conditioning system in your vehicle needs
refrigerant, be sure the proper refrigerant is used. If
you're not sure, ask your dealer.
Normal Maintenance
Replacement Parts
Engine/Air Cleaner Filter AC Type A1208C . . . . .
Passenger Compartment Air Filter 10406026 . . . .
Battery AC Type 600 CCA . . . . . . . . . . . . . . . . . . . .
Engine Oil Filter AC Type PF47 . . . . . . . . . . . . . . . PCV Valve AC Type CV892C . . . . . . . . . . . . . . . . . .
Radiator Cap AC Type RC27 . . . . . . . . . . . . . . . . . .
RKE Batteries Type CR2032 (2) or equivalent . . . .
Spark Plugs
3100 (Code M) V6 AC Type 41
-940 . . . . . . . . . . . .
Gap: 0.060 inches (1.52 mm) . . . . . . . . . . . . . . . . . .
Wiper Blade
Type Hook. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Length 22 inches (56 cm). . . . . . . . . . . . . . . . . . . . .
Vehicle Dimensions
Wheelbase 109.0 inches (276.9 cm). . . . . . . . . . . . . .
Tread (Front) 62.0 inches (157.6 cm). . . . . . . . . . . . .
Tread (Rear) 61.1 inches (155.3 cm). . . . . . . . . . . . . .
Overall Length 194.6 inches (494.2 cm). . . . . . . . . . .
Overall Width 72.7 inches (184.5 cm). . . . . . . . . . . . .
Overall Height 56.6 inches (143.8 cm). . . . . . . . . . . .

Scheduled Maintenance
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7-12
100,000 Miles (166 000 km)
Inspect spark plug wires.
An Emission Control Service.
Replace spark plugs.
An Emission Control Service.
Change automatic transaxle fluid and filter 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 haven't used your vehicle under severe service conditions listed
previously and, therefore, haven't changed your automatic transaxle fluid,
change both the fluid and filter.ACTUAL
SERVICED BY:MILEAGE
DATE