2021 Chevrolet Traverse Pre-Purchase Inspection Checklist
Known Issues — 2021 Chevrolet Traverse
CRITICAL
3.6L V6 timing chain tensioner wear causing noise — common on higher mileage
MODERATE
Transmission hesitation on 9-speed auto
MODERATE
Carbon buildup on 3.6L direct injection
MINOR
Power liftgate motor failures
MINOR
Infotainment system freezing
What to Inspect
- Listen for 3.6L timing chain rattle on cold start
- Feel for 9-speed transmission hesitation
- Test power liftgate
- Test all three rows
- Check for carbon buildup symptoms on 3.6L
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (3.6L V6) | every 7,500 miles | $70-$100 |
| Transmission fluid (9-speed) | every 45,000 miles | $130-$180 |
| Spark plugs | every 100,000 miles | $120-$200 |
| Timing chain service | inspect at 100,000 miles | $800-$2,000 |
| Brake pads (front) | every 35,000 miles | $110-$170 |
| Cabin air filter | every 15,000 miles | $20-$40 |
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