2021 Toyota Tundra Pre-Purchase Inspection Checklist
Known Issues — 2021 Toyota Tundra
CRITICAL
Secondary air injection pump failure — still present in final year of gen
MODERATE
Exhaust manifold cracks
MODERATE
Cam tower oil seepage
MINOR
Outdated technology vs newer competitors (no standard ADAS)
MODERATE
Rust on undercarriage in salt-belt regions
What to Inspect
- Scan for air injection fault codes
- Inspect frame and undercarriage for rust
- Check exhaust manifolds
- Inspect cam towers for seepage
- Test all drivetrain modes
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (5.7L V8) | every 5,000 miles | $80-$110 |
| Differential fluid (front & rear) | every 30,000 miles | $120-$180 |
| Transfer case fluid | every 60,000 miles | $80-$130 |
| Spark plugs (5.7L) | every 90,000 miles | $200-$350 |
| Brake pads (front) | every 40,000 miles | $120-$200 |
| Coolant flush | every 100,000 miles | $120-$180 |
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