GMC 2003 Sierra - Manual (Page 512)

CbecV ihe transmrs&ion fluid lev&f; add if needed. See
Autofn^iic TrBnsnrisskin Fluid (Except Atlison
Transmission} on радо 5-^5 oi Auicmalia Transmission
Fluid ^Afiison Transmission) on page 5-28. A Iluid
idss may indtcate a problem Checfi the syslem and
repair (f needed-
HydrauMc Clutch System Check
Check Ih 0 fluid level In the dutch reservoir. See
Hydraulic Ciuict} on page 5'82. A Iluid loss in this
system could indicale a problem. Have the system
Inspected and repaired al oncer
At Least Once a Year
Key Lock Cylinders Service
Lubricate the key lock cylinders with the fubricanl
specrfted In Part D.
Body Lubrication Service
Liibficale all body door hinges, hood latch assambly,
secondary lafchn pivots, spring anchor, release
pawl, tailgate hinge, tailgate linkage, tailgate handle
pivot points, latch bolt, (ual door hinge, locks and folding
seal
hardware. Pari D tells you whgt to use. More
iTequdnt tubrlcalion may be required wtien exposed to a
corrosive environmenL
Automatic Transmission Check Starter Switch Check
Д CAUTION:
When voi^ are doing this check, tha vehide
could move suddenly. If tt does, you or olhers
could be injured. Follow the steps below.
1. Betore you start, be sure you have enough room
around ihe vebicie.
2. Firmly apply both the parking brake and |he regular
brake. See Paricing Brake on page-2-44 If
necessary.
Do not use the accelerator pedal, and be ready to
rum ott the ersgine immediately if It starts.
3. On automatic transmission vвhicles^ try to start (he
engine in each gear. The starter should work only
in PARK (P) Of NEUTRAL (NJ. I! Ihe starlet works in
arty other position, your vehicle needs service.
On manual iransmission vehicles, put the shifl lever
In NEUTRAL [N), push the clutch down halEwgy
and try to start the engine. The starter should work
onty when the dutch is pushed down all Ihe way
to the floor. If the starter works when ihe clutch isn't
pushed all the way down, your vehicle needs
service.