2015 GMC Sierra 1500 Pre-Purchase Inspection Checklist
Known Issues — 2015 GMC Sierra 1500
CRITICAL
AFM (Active Fuel Management) lifter failure on 5.3L V8
CRITICAL
Transmission torque converter shudder on 6-speed
MODERATE
Oil consumption on 5.3L V8 with AFM
MODERATE
Rear differential bearing noise
MINOR
Tailgate handle mechanism failure
MINOR
Dashboard panel delamination in high heat climates
What to Inspect
- Check 5.3L V8 for AFM lifter tick at idle and under load
- Test 6-speed transmission for torque converter shudder at 45-50mph
- Check oil level after extended drive for consumption
- Listen for rear differential bearing noise
- Test tailgate open/close mechanism
- Check dashboard panel for delamination
Expected Maintenance Costs
| Service | Interval | Cost |
|---|---|---|
| Oil change (synthetic) | every 7,500 miles | $80-$120 |
| Transmission fluid service | every 45,000 miles | $200-$300 |
| Spark plugs | every 60,000 miles | $200-$350 |
| Rear differential fluid | every 45,000 miles | $100-$150 |
| Brake service (pads and rotors) | every 50,000 miles | $400-$650 |
| Transfer case fluid | every 45,000 miles | $80-$130 |
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