Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Jeep Grand Cherokee OverlandFACTORY OEM SERVICE PROCEDURE
Diagnostic Tests: Notes
NOTE:
For powertrain system testing procedures, see SELF-DIAGNOSTICS - GRAND CHEROKEE
article in ENGINE PERFORMANCE. For air bag system testing procedures, see appropriate AIR BAG RESTRAINT SYSTEMS article in RESTRAINTS. For heating and air conditioning systems testing procedures, see appropriate MANUAL or AUTOMATIC A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING. Perform appropriate VERIFICATION TEST after each repair.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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