Gmc 2007 Sierra User Manual download pdf (Page 487)

When to Add Engine Oil

If the oil is below the cross-hatched area at the

tip of the dipstick, you will need to add at least

one quart/liter of oil. But you must use the

right kind. This section explains what kind of oil

to use. For engine oil crankcase capacity,

see Capacities and Speciﬁcations on page 609.

Notice: Do not add too much oil. If the engine

has so much oil that the oil level gets above

the cross-hatched area that shows the

proper operating range, the engine could be

Compartment Overview

on page 480 for the

location of the engine

oil ﬁll cap.

Be sure to add enough oil to put the level

somewhere in the proper operating range. Push

the dipstick all the way back in when you are

All Except 8.1L Engine

Gmc 2007 Sierra User Manual Page 487