cooling CHEVROLET KODIAK 2005 Owner's Guide

(24)= Evaporative Control System Service, if equipped:
Check all fuel and vapor lines and hoses for proper
connections and correct routing (or every 24 months,
whichever occurs first). Replace parts as needed.
(25)= Replace spark plugs. Inspect wires for damage.
Check the wire boot and boot heat shield fit at spark
plugs and coil. Replace parts as needed.
(26)= Check the fuel tank, fuel cap and fuel lines for
damage which could cause leakage. Inspect fuel cap for
correct sealing ability and any indications of damage.
Check fuel cap gasket for even filler neck imprint.
Replace parts as needed.
(27)= Check Exhaust Gas Recirculation (EGR) system
as described in the service manual. SeeService
Publications Ordering Information on page 7-8.
(28)= Inspect Electronic Vacuum Regulator Valve
(EVRV) filter for excessive contamination or plugging. If
needed, clean filter with solution of soap and water,
let dry and install.
(29)= Drain, flush, and refill cooling system. This
service can be complex; you should have your dealer
perform this service. SeePart C: Recommended Fluids
and Lubricants on page 6-32for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap, andneck. Pressure test cooling system and pressure cap. For
Caterpillar®diesel engines, always refer to the
Caterpillar®Diesel Engine Operation & Maintenance
Manual for coolant recommendations and change
intervals.
(30)= Change the lubricant. SeePart C: Recommended
Fluids and Lubricants on page 6-32.
(31)= Front axle service: Re-pack upper kingpin
roller bearing.
(32)= Air brake service:
•Inspect brake lines and hoses for proper hook-up,
binding, leaks, cracks, chafing, etc. Inspect drum
brake linings for wear or cracks. Inspect other brake
parts at each wheel, including drums and wheel
speed sensor wiring. Check brake pedal for
excessive free play or travel (or every 6 months,
whichever occurs first) and have serviced if needed.
Check brakes more often if driving habits and
conditions result in frequent braking. Replace air
dryer cartridge only if excessive oil or moisture
is present. A small amount of oil in the system is
normal and should not be considered as a reason to
replace the cartridge.
6-25

Engine Cooling System Service
Inspect the hoses and have them replaced if they are
cracked, swollen, or deteriorated. Inspect all pipes,
fittings, and clamps; replace as needed. Clean
the outside of the radiator and air conditioning
condenser. To help ensure proper operation, a pressure
test of the cooling system and pressure cap is
recommended at least once a year.
Exhaust System Check
Be alert for any changes in the sound of the exhaust
system or any smell of fumes. These are signs the
system may be leaking. Have it checked and/or repaired
at once. Refer toEngine Exhaust on page 2-43and
Running the Engine While Parked on page 2-44.
Windshield Wipers and Washers Check
Check operation and condition of the wiper blades.
Check the flow of the washer spray.
Defroster Check
Move the control to the defrost symbol and the fan to HI
or the high symbol. Then check the airflow from the
ducts at the inside base of the windshield.
Mirrors and Sun Visors Check
Check that friction joints hold mirrors and sun visors
in place.
Seat Adjuster Check
When adjusting a manual seat, be sure seat adjusters
latch by attempting to move the seat after latching.
Lamps Check
Check panel lighting, warning lights, indicator lights, and
interior lamps. On the outside, check: license plate
lamps, sidemarker lamps, reflectors or lights on outside
mirrors, headlamps, parking lamps, identification and
clearance lamps, taillamps, brake lamps, turn signals,
backup lamps, and hazard warning flashers. Have
headlamp aim checked at once if beams seem
improperly aimed.
Glass, Mirrors, Lamps and/or
Reectors Condition Check
Look for broken, scratched, dirty, or damaged glass,
mirrors, lamps, or reflectors that could reduce the view
or visibility or cause injury. Replace, clean or repair
promptly.
6-30

Climate Control System...................................3-20
Outlet Adjustment........................................3-23
Rear Heating System...................................3-24
Control of a Vehicle.......................................... 4-5
Coolant
Engine Temperature Gage............................3-35
Heater, Engine............................................2-24
Low Warning Light.......................................3-35
Surge Tank Pressure Cap.............................5-38
Cooling System..............................................5-40
Cruise Control................................................3-10
Customer Assistance Information
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-5
Reporting Safety Defects to General Motors...... 7-8
Reporting Safety Defects to the
Canadian Government................................ 7-7
Reporting Safety Defects to the
United States Government.......................... 7-7
Roadside Assistance Program......................... 7-5
Service Publications Ordering Information......... 7-8D
Daytime Running Lamps..................................3-15
Daytime Running Lamps Indicator Light.............3-41
Defensive Driving............................................. 4-2
Diesel Engine
Engine Alarm and Automatic Shutdown...........2-18
Exhaust Brake............................................2-25
Exhaust Restrictor.......................................2-21
Fuel............................................................ 5-7
High Idle System.........................................2-19
Starting......................................................2-14
Differential Lock Control, Rear Axle..................... 4-9
Differential Lock Indicator Light.........................3-40
Doing Your Own Service Work........................... 5-4
Dome Lamps.................................................3-16
Door
Locks.......................................................... 2-6
Power Door Locks......................................... 2-7
Driver
Position, Safety Belt.....................................1-14
Driving
At Night.....................................................4-16
City...........................................................4-21
Defensive..................................................... 4-2
4