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I assume it's your timing belt, not a chain, which rarely, if ever snap. Depending on the make of the car and the engine you may, or may not, have serious engine damage.. DO NOT ATTEMPT to start the car, have it towed to your shop of choice. If there is no engine damage a timing belt replacement generally will run you 2 or 3 hundred bucks...if you did serious engine damage you may have to decide if the car if worth the money to have it repaired. What you need to know is whether your car has an "interference" or "non-interference" type engine.. In an interference type engine if the timing belt breaks the valves will "interfere" with the pistons as they travel up if the timing belt breaks, which results in generally catastrophic engine failure.. non-interference engines generally suffer little or no engine damage with a broken timing belt.. I broke a timing belt on my 1990 Toyota Supra going 70mph, but it was a non-interference engine and after having the belt replaced it was fine.. here is a good list someone put together on what type of engine is in your car.. you should find the engine type either marked on the engine or on a label under the hood, or the owners manual.. good luck. http://yourcarangel.com/2014/07/interference-engines-complete-list/
Broken timing chain is a very large problem, if it happened while engine is running. Bent/broken valves and such. Makes a LOT of noise, and engine stops immediately.
Your question doesn't include make/model/year, so your question isn't possible to answer. Doesn't really matter, though, if your timing chain broke. That's pretty rare. Timing belt, yes. Chain, no.
You did not say which engine you have so I checked the DOHC non turbo 3.0 engine. Yes it is an interference engine, so yes you could damage the valves when the timing belt breaks and the engine is running.
Did you get it timed correctly? You don't just replace them like a fan belt, there is a procedure and marks that you line up. Your engine may be a non-interference or interference which means that if your timing belt breaks your pistons may hit your valves and cause major engine damage. Non-interference means that when the belt breaks it won't interfere and cause damage. Interference means that it will. I don't know what engine you have in your car but if you call a dealer and tell them what engine you have in your car they should be able to tell you if it is a non-interference or interference engine.
Most Ford vehicles from 1985 and up have enough valve clearence so the valves do not get hit when the timing belt snaps. Since I worked for ford for many years I have only seen one with valve damage and the youg man said he was driving his car really hard at high RPM's. I believe you will be okay on your engine as long as when the belt broke the engine was not at high rpm's. If know one has told you those engine recommend a timing belt replacement every 60k. I hpe this helped and I hope this fixes your problem. Good luck, Roger
Hello mawbea: My name is Roger I will answer your question. You did not say which engine is in your car. So if you have a 2.0 SOHC engine. If the belt broke you should be Ok. If you have the 2.0 DOHC engine. The likely hood of bending the valves are just about a guarantee. How ever with any engine using a timing belt it is possible to bend a valve.Should you need more help please just ask.
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