Chevrolet Silverado 2006 Spécifications télécharger pdf (Page 408)

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Fuel

If your vehicle has a diesel engine, see “Diesel Fuel

Requirements and Fuel System” in the DURAMAX

Diesel Supplement.

For vehicles with gasoline engines, please read this.

Gasoline

The 8th digit of your vehicle identiﬁcation number (VIN)

shows the code letter or number that identiﬁes your

engine. You will ﬁnd the VIN at the top left of the

instrument panel. See Vehicle Identiﬁcation Number

(VIN) on page 5-122.

If your vehicle has the 5.3L V8 engine (VIN Code Z),

you may use either regular unleaded gasoline or ethanol

fuel containing up to 85% ethanol (E85); also see

Fuel E85 (85% Ethanol) on page 5-8. In all other

gasoline engines, use only regular unleaded gasoline.

Gasoline Octane

For all vehicles, except those with the 6.0L V8 engine

(VIN Code N), use regular unleaded gasoline with

a posted octane rating of 87 or higher. If the octane

rating is less than 87, you may notice an audible

knocking noise when you drive, commonly referred to

as spark knock. If this occurs, use a gasoline rated at

87 octane or higher as soon as possible. If you are using

gasoline rated at 87 octane or higher and you hear

heavy knocking, your engine needs service.

If your vehicle has the 6.0L V8 engine (VIN Code N),

use premium unleaded gasoline with a posted

octane rating of 91 or higher. You may also use regular

unleaded gasoline rated at 87 octane or higher, but

your vehicle’s acceleration may be slightly reduced, and

you may notice a slight audible knocking noise,

commonly referred to as spark knock. If the octane is

less than 87, you may notice a heavy knocking

noise when you drive. If this occurs, use a gasoline

rated at 87 octane or higher as soon as possible.

Otherwise, you might damage your engine. If you are

using gasoline rated at 87 octane or higher and you hear

heavy knocking, your engine needs service.

Gasoline Speciﬁcations

At a minimum, gasoline should meet ASTM speciﬁcation

D 4814 in the United States or CAN/CGSB-3.5 in

Canada. Some gasolines may contain an

octane-enhancing additive called methylcyclopentadienyl

manganese tricarbonyl (MMT). General Motors

recommends against the use of gasolines containing

MMT. See Additives on page 5-7 for additional

information.

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Chevrolet Silverado 2006 Spécifications Page 408

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