Coolant Surge Tank Pressure Cap
See
Engine Compartment
Overview on page 5-12 for
more information on
location.
The coolant surge tank pressure cap must be fully
installed on the coolant surge tank.
Notice: If the pressure cap is not tightly installed,
coolant loss and possible engine damage may
occur. Be sure the cap is properly and tightly
secured.
Engine Overheating
You will find a coolant temperature gage on your
vehicle’s instrument panel. See
Engine Coolant
Temperature Gage on page 3-46. In addition, you will
find an ENGINE OVERHEATED, and a REDUCED
ENGINE POWER message in the DIC on the instrument
panel. See
Driver Information Center (DIC) on
page 3-53.
Overheated Engine Protection
Operating Mode (V8 Engines Only)
If an overheated engine condition exists and the
REDUCED ENGINE POWER message is displayed, an
overheat protection mode which alternates firing
groups of cylinders helps prevent engine damage. In
this mode, you will notice a loss in power and engine
performance. This operating mode allows your vehicle to
be driven to a safe place in an emergency. Driving
extended miles (km) and/or towing a trailer in the
overheat protection mode should be avoided.
Notice: After driving in the overheated engine
protection operating mode, to avoid engine damage,
allow the engine to cool before attempting any repair.
The engine oil will be severely degraded. Repair the
cause of coolant loss, change the oil and reset the oil
life system. See “Engine Oil” in the Index.
5-29
Содержание 2003 Yukon XL
Страница 5: ...These are some examples of vehicle symbols you may find on your vehicle v ...
Страница 6: ...Model Reference This manual covers these models Yukon Yukon XL vi ...
Страница 64: ...Tahoe Yukon Second Row Seat Third Row 50 50 Split Bench Seat 1 58 ...
Страница 94: ... NOTES 1 88 ...
Страница 157: ... NOTES 3 3 ...
Страница 158: ...Instrument Panel Overview 3 4 ...
Страница 282: ... NOTES 3 128 ...
Страница 372: ...When you open the hood on the VORTEC 8100 V8 engine you ll see the following 5 14 ...
Страница 415: ...5 Reinstall the lens and tighten the screws Taillamps A Turn Signal Lamp B Back up Lamp C Stoplamp 5 57 ...
Страница 460: ...See Engine Compartment Overview on page 5 12 for more information on its location 5 102 ...
Страница 488: ...Maintenance Record cont d Date Odometer Reading Serviced By Maintenance Record 6 20 ...
Страница 500: ... NOTES 7 12 ...