GMC 2003 Sierra - Manual (Page 510)

Part B: Owner Checks and Services Engine Coolant Level Check
Listed in This part are owner chocks and services
which should be performed at rhe intervals specified to
help ensure the safety, dependability and omission
control perionmgnce of your vahtcfej
Be sure any necessary repairs are compleled at once.
Wher^ever any fluids
or lubricants are added to your
vehicle, rhake sure they are the proper ones, as shown
in Part D.
At the First 100, 1,000 and 6,000
Miles (160, 1 600 and 10 000km)
Check dual wheel nut torque. For proper torque,
see CapaciHes and Specificsttans on page 5-120.
At Each Fuel Fill
it in ifrjpotlani for you Of a service station яííeлйaл/ Sa
perform these urtderhoori checks al each fuel Ж
Engine Oil Level Check
Check the engine gil Javel and add the propgr oil il
necessary, See Engine
O i i o n
page
3 - 1 7 f o r
further
details.
Check the engine coolanl level and add DEX-COOL®
otxjIanT miKture if necessary. See Engine Caofant
on page 5-33 for furthnr details.
Windshield Washer Fluid Level Check
Check the wiridshrsid washer fluid level in (he windshietd
washer lank and add the proper fluid il necessary,
See
Winhshiaid Washer Raicf on page 5-46 for
further details.
At Least Once a Month
Tire Inflation Check
Make sure trias are inflafed to the correct pressures.
Don't forget to checit your spare tire, See TTres on
page 5-72 for further details-
Cassette Tape Player Service
Clean caaselte tape player. Cleaning shOLild be dong
every 50 hours of tape play. See
Audio Sysiem(s)
on page 3-63 lor further details.
6-11