LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2004 >> Wrangler SE, Standard >> Repair and Diagnosis >> General Information >> Specifications Index >> Common Specs & Procedures >> Engine Cooling >> General Service Specifications >> Specifications
April 5, 2026: LEMON Manuals is launched! Read the announcement.

General Service Specifications: Specifications

COOLING SYSTEM SPECIFICATIONS

Application Specification
Coolant Replacement Interval (1)
Coolant Capacity
  2.4L 9.0 Qts. (8.5L)
  4.0L 10.5 Qts. (9.9L)
Pressure Cap 18-21 psi (1.3-1.5 kg/cm2 )
Thermostat Starts Opening 195°F (90°C)
(1) Flush and replace coolant at 100, 000 miles.

THERMOSTAT R & I 

Refer to ENGINE COOLANT THERMOSTAT .

WATER PUMP R & I 

Refer to WATER PUMP - 2.4L or WATER PUMP - 4.0L .