Belts & Hoses Checklist
Ensure your vehicle's reliability with this comprehensive belts and hoses inspection guide. Learn to spot cracks, leaks, and wear before they lead to engine failure or overheating.
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| Item | Priority | Who | Time | What to check (Pass/Fail) | If failed (Next step) |
|---|---|---|---|---|---|
| Serpentine Belt Cracks | Required | DIY | 5 min | Fewer than 3 cracks per inch | Replace belt soon |
| Belt Glazing/Shiny Spots | Recommended | DIY | 2 min | Matte finish; no shiny/smooth spots | Check pulley alignment |
| Belt Tensioner Movement | Required | Shop | 10 min | Smooth movement; no vibration | Replace tensioner assembly |
| Upper Radiator Hose | Required | DIY | 3 min | Firm but flexible; no soft spots | Replace hose immediately |
| Lower Radiator Hose | Required | DIY | 3 min | No collapse; no rubbing on fans | Replace hose and clamps |
| Heater Hoses (Firewall) | Recommended | DIY | 5 min | No swelling at connection points | Trim or replace hose |
| Coolant Reservoir Hose | Optional | DIY | 2 min | No brittle plastic or cracks | Replace small diameter hose |
| Power Steering Hoses | Required | DIY | 5 min | No oily residue or dampness | Tighten clamps or replace |
| Vacuum Lines | Recommended | DIY | 10 min | No hissing sounds; no dry rot | Replace with vacuum tubing |
| Bypass Hose | Required | Shop | 5 min | No bulging near the thermostat | Replace during coolant flush |
| Timing Belt Cover Leak | Required | Shop | 15 min | No oil or coolant weeping from cover | Inspect internal seals |
| Hose Clamp Integrity | Recommended | DIY | 5 min | No rust; tight seal; no weeping | Replace with stainless clamps |
| Belt Edge Fraying | Required | DIY | 2 min | Clean edges; no loose threads | Check for pulley debris |
| Water Pump Weep Hole | Required | Shop | 10 min | Dry; no crusty coolant deposits | Replace water pump |
| Fuel Lines (Engine Bay) | Required | Shop | 5 min | No fuel smell; no cracks | Replace with fuel-rated hose |
| PCV Valve Hose | Recommended | DIY | 3 min | Soft and pliable; not collapsed | Replace hose and PCV valve |
| Brake Booster Vacuum Hose | Required | DIY | 2 min | No cracks; secure fitment | Replace immediately |
| Air Intake Boot | Recommended | DIY | 5 min | No tears in accordion sections | Replace to prevent lean codes |
Use this table as a guide during your bi-annual inspection. Check off each item as you go. If you find any 'Fail' conditions, prioritize the 'Required' items first as they represent the highest risk of engine damage.
Keep a copy of this checklist in your glovebox to track the condition of your rubber components over time. This history is valuable when selling the vehicle or discussing repairs with a mechanic.