2018 Jeep Wrangler Pre-Purchase Inspection Checklist
Known Issues — 2018 Jeep Wrangler
MODERATE
Transmission shuddering and hesitation during acceleration
MODERATE
Water leaks around door seals and soft top connections
MINOR
Panoramic sunroof rattle and wind noise
MODERATE
Rear axle seal leaks causing differential fluid loss
MINOR
Infotainment system freezing and touchscreen unresponsiveness
MODERATE
Engine knock sensor issues causing check engine light
What to Inspect
- Transmission fluid condition and shift quality under load
- Door and window seal integrity for water intrusion
- Rear differential fluid level and seal condition
- Soft top fabric and frame for tears, leaks, and proper operation
- Engine knock sensor function and diagnostic codes
- Infotainment system responsiveness and software version
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil and filter change | every 10,000 miles | $40-$65 |
| Transmission fluid service | every 60,000 miles | $150-$250 |
| Differential fluid service | every 50,000 miles | $120-$200 |
| Brake pads replacement | every 40,000-60,000 miles | $200-$350 |
| Air filter replacement | every 15,000-30,000 miles | $30-$50 |
| Cabin air filter replacement | every 12,000-15,000 miles | $25-$45 |
| Spark plug replacement | every 100,000 miles | $150-$300 |
| Coolant flush | every 30,000 miles | $100-$150 |
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