Cooling System Specifications

WARNING: This page is about a different variant/trim than selected.

NOTE: On models with 4.0 L engine, front grill must be removed to access radiator draincock. Draining cooling system can be accomplished by removing drain plug from side of block as well as by loosening radiator draincock. Drain plug is located on lower left side of engine block. See Fig 1.

Fig 1: Locating Engine Block Cooling System Drain Plug (4.0L)

Courtesy of DAIMLERCHRYSLER CORP.

COOLING SYSTEM SPECIFICATIONS

Application

Specification

Coolant Replacement Interval

⁽¹⁾ 24 Months

Coolant Capacity

Cherokee

12.0 Qts. (11.4L)

Grand Cherokee

Standard Cooling System

9.3 Qts. (8.8L)

Heavy Duty Cooling System

10.0 Qts. (9.5L)

Wrangler

10.5 Qts. (9.9L)

Pressure Cap

Cherokee & Wrangler

12-16 psi (0.8-1.1 kg/cm² )

Grand Cherokee

14-18 psi (1.0-1.3 kg/cm² )

Thermostat Opens

Starts

195°F (90°C)

Fully Open

218°F (103°C)

⁽¹⁾	Manufacturer recommends replacing original coolant at 36 months or 52,500 miles, whichever occurs first.