Can a timing belt break in an interference engine?
Can a timing belt break in an interference engine?
In some cases, an engine might be severely damaged as a result. That said, we have seen “lucky” cases where there was no valve damage after the timing belt broke in an interference engine. If a timing belt or chain breaks in an interference engine, the first step is to assess the damage.
When to know if your car has an interference engine?
An interference engine is one that has insufficient clearance between the valves and pistons if the cam stops turning due to a broken timing belt. The result is usually catastrophic engine failure. Not so with a non-interference engine. It pays to know. The video below will also help you determine if your car has a timing belt or chain.
What causes bent valves in a non-interference engine?
That said, we have seen rare cases where a broken timing belt resulted in bent valves in a non-interference engine. This can happen if there is a thick layer of carbon deposits covering the bottom of the valves and the top of the pistons.
What happens to Pistons in an interference engine?
Interference engine animation. In an interference engine, this can cause pistons that are still moving due to inertia to hit some of the valves that are in a fully open position. If this happens, the pistons can bend or even break the valves. In some cases, an engine might be severely damaged as a result.
What causes a timing belt to break?
One thing that often makes the timing belt break is making short journeys by car on a regular basis, or driving in very low temperatures or with a cold engine.
Will a broken timing belt cause engine damage?
A broken timing belt can cause catastrophic engine damage, therefore it is vital to keep the timing belt in good operating condition. Check the belt during routine maintenance and always ensure that the belt is changed at the manufacturer’s recommended change intervals.
What cars have interference Motors?
All Honda cars from 1984 through 1996 have interference engines. The engine codes include ES2, ES3, A18A1, A20A1 and A20A3 in the 1984 through 1989 Accord and Prelude.