2003 Jeep Grand Cherokee
Grand Cherokee
Factory Specs at a Glance
Common Diagnostic Codes
Quick Specs(10)
Engine compartment (driver or passenger side)
IAT Coolant
Varies by engine (typically 4-8+ quarts)
Varies by year — check existing bulb
The 2022-2024 Jeep Grand Cherokee 3.6L V6 uses 0W-20 full synthetic (5.9 quarts). The 5.7L HEMI uses 5W-20 (7.0 quarts).
Serpentine (multi-rib)
Iridium Plugs
Varies by year and trim — check door jamb sticker
Manufacturer-specified ATF
Typically 10-14" (if equipped)
Exact-Fit Procedures from Service Manual
20 foundDraining & Refilling - Fluid & Filter Replacement Standard Procedure - 42RE Transmission
Engine Oil Replacement Reminder - Engine Oil Replacement Reminder Reset - Procedure 02
Engine Oil Replacement Reminder Reset - Procedure 01 - Electronic Vehicle Information Center (EVIC) Reset
Engine Oil Replacement Reminder Reset - Procedure 01 - Manual Reset
Engine Oil Replacement Reminder Reset - Procedure 01 - Notes
Valves & Valve Seats - Valve Seat Replacement
Engine Oil Replacement Reminder Reset - Procedure 01 - Notes
Cylinder Head Replacement - Removal
Engine Oil Replacement Reminder - Engine Oil Replacement Reminder Reset - Procedure 02
Description - Description - Replacement Tires
Symptom: *ABS LIGHT FLASHING AFTER CAB REPLACEMENT - Diagnostic Procedure
Cylinder Head Replacement - Valve Adjustment
Wheels - Standard Procedure - Wheel Replacement
Valve Stem Oil Seals - Replacement (On-Vehicle)
Standard Procedure - Fluid And Filter Replacement - Installation
Engine Oil Replacement Reminder Reset - Procedure 01 - Electronic Vehicle Information Center (EVIC) Reset
Cylinder Head Replacement - * Please Read This First *
Lubrication - Filter Replacement
Standard Procedure - Fluid And Filter Replacement - Removal
Maintenance Overview - Automatic Transmission Fluid Exchange & Filter Replacement
I have a code
Enter your DTC code to see the factory diagnostic procedure for your 2003 Jeep Grand Cherokee.
Help me diagnose
Describe your symptoms and we'll walk you through the diagnostic process using factory data for your 2003 Jeep Grand Cherokee.
Start AI Diagnosis →