Caution:Do not nick, scratch or damage the sealing surface. Thesealing surface is a machined surface. Damage to the machinedsurface can cause leakage.
Test Probe Caution
Belt Dressing CautionSelecting the Right Engine Oil
(Diesel Engines)
Selecting the right engine oil
depends on both the proper oil
specification and viscosity grade:
Specification
Ask for and use engine oils that
meet the dexos2 specification.
Engine oils that have been
approved by GM as meeting the
dexos2 specification are marked
with the dexos2 approved ...