General Information; Coolant; Cooling System Components; Cooling System - Jeep 1997 Grand Cherokee Service Manual

THERMOSTAT CLOSED—HIGH FLOW THERMOSTAT OPEN—LOW FLOW BYPASS HEATER
7 - 2

COOLING SYSTEM

GENERAL INFORMATION (Continued)
An optional factory installed maximum duty cool-
ing package is available on most models. This pack-
age will provide additional cooling capacity for
vehicles used under extreme conditions such as
trailer towing in high ambient temperatures.

COOLING SYSTEM COMPONENTS

The cooling system consists of:
• A radiator
• Cooling fan
• Thermal viscous fan drive
• Fan shroud
• Radiator pressure cap
• Thermostat
• Coolant reserve/overflow system
• Transmission oil cooler (if equipped with an
automatic transmission)

• Coolant

• Water pump
• Hoses and hose clamps
• Accessory drive belt
SYSTEM COOLANT ROUTING
For cooling system routings refer to (Fig. 1) (Fig.
2).
Fig. 2 Engine Cooling System—5.2/5.9LEngine—Typical
TO COOLANT HEATER CORE BYPASS OVERFLOW TANK RADIATORWATER PUMP RESERVE/ THERMOSTAT HOUSING
Fig. 1 Engine Cooling System—4.0LEngine—Typical
CROSSFLOW RADIATOR
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