2003 GMC SIERRA DENALI lock

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Page 303 of 428

GMC SIERRA DENALI 2003  Owners Manual 1. Park the vehicle  on a 
level  surface.  You can 
remove the coolant 
surge  tank pressure 
cap  when the cooling 
system,  including 
the coolant surge tank  pressure cap and 
upper  radiator hose

Page 322 of 428

GMC SIERRA DENALI 2003  Owners Manual A. Low-Beam  Headlamp 
B. High-Beam  Headlamp 
Front  Turn  Signal,  Sidemarker and 
Daytime  Running  Lamps 
2. Pull  the  headlamp  assembly  out. 
3. Unplug  the  electrical connector. 
4. Turn  th

Page 323 of 428

GMC SIERRA DENALI 2003  Owners Manual 2. Press  the retainer clip (B), located behind  the turn 
signal housing, towards the outside 
of the  vehicle. 
3. Pull  the turn signal housing out  of the vehicle. 
4. Press  the  locking release

Page 324 of 428

GMC SIERRA DENALI 2003  Owners Manual 2. Remove  the  six  screws  on  the  center roof marker 
lamps. 
from the  socket. 
3. Turn  the old bulb counterclockwise  to  remove it 
4. Put a new  bulb  into the 
socket  and turn 
clockwise  u

Page 326 of 428

GMC SIERRA DENALI 2003  Owners Manual A. Cargo  Lamps 
B. Center High-Mounted  Stoplamps 
2. Remove  the  CHMSL  bulb holder back plate  from 
the  housing  by  pressing the  release  tabs. 
3. Remove  the  CHMSL  bulb by pulling the bulb

Page 328 of 428

GMC SIERRA DENALI 2003  Owners Manual 3. Press  the  release tab and  turn the bulb socket 
counterclockwise to  remove it from the taillamp 
housing. 
4. Pull the  old bulb straight  out from  the  socket. 
5. Press  a  new  bulb into th

Page 338 of 428

GMC SIERRA DENALI 2003  Owners Manual A rear blowout, particularly  on a curve, acts much  like a Changing  a Flat Tire 
skid and  may  require the  same  correction  you’d  use 
in a  skid.  In any  rear  blowout,  remove your foot fro

Page 340 of 428

GMC SIERRA DENALI 2003  Owners Manual 2. The  wheel  blocks  and the wheel  block retainer  can 
be  removed  by  turning the wing nut 
counterclockwise. 
3. To  release  the bottle  jack from  its holder, turn  the 
knob  on 
the  bottle