Chevrolet 2004 Tahoe Spezifikationen PDF herunterladen (Seite 407)

100

101

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 3-47. 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 3-56.

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 on page 5-16.

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