90k Mile Maintenance Checklist
A comprehensive 90,000-mile maintenance checklist focusing on fluid longevity, brake safety, suspension integrity, and critical rubber component wear for high-mileage reliability.
Scan to open
| Item | Priority | Who | Time | What to check (Pass/Fail) | If failed (Next step) |
|---|---|---|---|---|---|
| Engine Oil & Filter | Required | Shop/DIY | 30 min | Oil level and color; no leaks | Change oil and filter |
| Engine Air Filter | Required | DIY | 5 min | Filter is white/grey; no debris | Replace filter |
| Brake Fluid Condition | Required | Shop/DIY | 15 min | Clear/amber color; moisture <3% | Flush and bleed system |
| Coolant/Antifreeze | Required | Shop/DIY | 20 min | Correct level; no cloudiness | Flush and refill system |
| Serpentine Belt | Required | Shop/DIY | 10 min | No cracks, fraying, or glazing | Replace belt and tensioner |
| Tire Tread Depth | Required | DIY | 10 min | Depth > 4/32 inch; even wear | Replace tires; check alignment |
| Brake Pads & Rotors | Required | Shop/DIY | 30 min | Pads > 3mm; no rotor scoring | Replace pads and/or rotors |
| Spark Plugs | Recommended | Shop/DIY | 45 min | No heavy carbon or electrode wear | Replace all spark plugs |
| Transmission Fluid | Recommended | Shop | 45 min | Red/Pink color; no burnt smell | Service or flush transmission |
| Battery Terminals | Required | DIY | 10 min | No corrosion; tight connections | Clean with wire brush; tighten |
| Cabin Air Filter | Recommended | DIY | 10 min | No dust buildup or odors | Replace filter |
| Wiper Blades | Recommended | DIY | 5 min | Clean sweep; no rubber tearing | Replace blades |
| Suspension Bushings | Recommended | Shop | 20 min | No visible cracks or play | Replace control arms/bushings |
| CV Axle Boots | Required | Shop/DIY | 15 min | No tears or grease leakage | Replace CV axle or boot |
| Exhaust System | Optional | Shop/DIY | 15 min | No holes, heavy rust, or rattles | Patch or replace components |
| Differential Fluid | Recommended | Shop/DIY | 30 min | Fluid level at fill plug; no leaks | Drain and refill fluid |
| Power Steering Fluid | Recommended | DIY | 5 min | Level between Min/Max; no leaks | Top off or flush if dark |
| Exterior Lights | Required | DIY | 10 min | All bulbs functioning | Replace bulbs |
| Fuel Lines | Required | Shop | 15 min | No cracks, softness, or leaks | Replace damaged lines |
| Timing Belt (if equipped) | Required | Shop | 2+ hours | No cracks; check service history | Replace immediately (critical) |
Use the table above as your primary roadmap for the 90k service. Items marked as 'Required' are essential for safety and basic operation, while 'Recommended' items focus on long-term reliability and comfort.
Check off each item as you complete it. If you are performing this service yourself, keep receipts for all parts and fluids purchased to maintain your vehicle's service history for future resale.