A timing belt is preventive maintenance you cannot skip. If it breaks on an interference engine, it bends valves and turns into a $4,000+ engine repair. Here is what a proper timing belt service should cost.
Timing belt kits (Gates, Aisin, Continental) include belt, tensioner, idlers, and seals. Water pump kit adds $80-$200.
Most cars require 4-6 hours of labor. Transverse V6s with engine support and motor mount removal can hit 8 hours.
| Vehicle Class | Typical Range | Notes |
|---|---|---|
| Compact 4-cyl (older Civic) | $400 - $700 | 2-3 hours labor |
| Sedan 4-cyl (Camry 4cyl) | $500 - $850 | Add water pump - it is right there |
| V6 sedan (older Camry V6) | $700 - $1,200 | Engine mount removal common |
| V6 SUV (Pilot, Sienna) | $800 - $1,500 | 8-hour job at most shops |
| Subaru / Audi / VW | $900 - $1,800 | Front of car often removed |
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On an interference engine (most modern cars), broken timing belts bend valves immediately. That turns into a $2,500-$4,500 engine teardown. On a non-interference engine, the car simply stops running with no internal damage.
It is interval-based, not symptom-based. Most manufacturers specify 60,000-105,000 miles. Check your owner manual or a service interval database for your exact engine.
Yes, on engines where the pump is driven by the timing belt. The labor is the same and a failed pump shortly after a belt job means doing it all over again.
Most cars built after 2010 use timing chains, which last the life of the engine. Older Hondas, Toyotas, Subarus, and Volkswagens commonly used belts. Check your manual.
It is a gamble. Some belts last 50% past the interval, others snap exactly on schedule. The risk almost always outweighs the savings.