2020 Chevrolet Tahoe Pre-Purchase Inspection Checklist
Known Issues — 2020 Chevrolet Tahoe
CRITICAL
AFM lifter failure — final year of this gen still affected
MODERATE
Transmission shudder
CRITICAL
Rear air suspension failures
MODERATE
Carbon buildup on 5.3L
MINOR
Aging tech vs. incoming 2021 redesign
What to Inspect
- Check for AFM lifter tick
- Test rear air suspension
- Feel for transmission shudder
- Test all safety systems
- Inspect all three rows
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (5.3L V8) | every 7,500 miles | $80-$110 |
| Transmission fluid | every 45,000 miles | $130-$200 |
| Spark plugs | every 100,000 miles | $150-$250 |
| Brake pads (front) | every 35,000 miles | $130-$200 |
| Air suspension service | as needed | $400-$1,500 |
| Transfer case fluid | every 60,000 miles | $80-$130 |
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