Engine
Hard
3–5 hours
Related engine guides
Replace Spark Plugs
Plug R&R with gap, torque, and coil-on-plug tips.
Moderate
1–3 hours
Replace the Serpentine Belt
Belt R&R with tensioner spec and routing.
Easy
30–60 minutes
Replace the Thermostat
Thermostat R&R with bleed procedure.
Moderate
1–3 hours
Replace the Water Pump
Water pump R&R, often with timing belt.
Hard
3–6 hours