Engine wonīt start after timing belt broke. - Hyundai Forums : Hyundai Forum
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post #1 of 6 (permalink) Old 04-18-2017, 08:37 AM Thread Starter
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Question Engine wonīt start after timing belt broke.

Hello, i have a problem with my Hyundai Santa Fe 2003 v6 2.7L, my mom was drivind it and it suddenly stopped. She tought it was nothing and tried to start it again but it didnīt. When we take it to the mechanic, he tell us that the timing belt had to be replaced and check for bent valves in the engine. He uninstalled the cylinder head and we took it to a industrial workshop and they rectified the valves. After reinstall everithing, the engine isnīt starting. It is leaking compression throug the engine cap and the oil level gauge. The machanic said that i need to change the pistons rings but he recommends to replace the engine. What do you think I could do? please help me. Any help, my mail is angel_casilla hotmail.com
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post #2 of 6 (permalink) Old 04-18-2017, 08:52 AM
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Change your belts according to manufacturer's recommendations...?

Is this mechanic good, have you used him before? If one bank is out of timing you'll get leaking. I don't see why you'd need rings if you didn't before, unless one or more pistons were damaged, and I think he would have noticed that when the heads were off.

If he didn't, find a new mechanic...
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post #3 of 6 (permalink) Old 04-18-2017, 10:22 AM Thread Starter
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It was a guy my mom knows, but i talked to my usual mechanic and he said that it looks like the engine is not in time becouse even if it leak compression it should start normally. I checked the timeing belt and is well placed, do you think ther could be a problem in the camnshaft? the sinconization of the valves or something?
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post #4 of 6 (permalink) Old 04-18-2017, 10:45 AM
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Bottom line with this is that you need to find a proper mechanic in a proper garage who will tell you exactly what is wrong and why and also tell you how much it is going to cost to put it right. When a cam belt breaks in an interference engine the pistons will smash into the valve stems. This can cause bent valves and broken pistons. It can distortion in the valve guides which can lead to loss of compression. It can even cause breakage and distortion in the connecting rods which in turn could also cause compression loss. When a traumatic event like this occurs in an engine then the cost of repair could well be huge. It could well be cheaper to replace the engine but then this is a 2003 car. It is 14 years old and you will have to weigh up whether it is going to be cost effective to keep that vehicle on the road.
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post #5 of 6 (permalink) Old 04-21-2017, 11:36 AM Thread Starter
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Hi, we checked with the mechanic. It came that the valves werenīt well scynced so, he put them in the right position and the engine started and works, but i donīt fell the same as before. I think the chain in the cylinder head is making a little noise becouse we didnīt find a slider thar it had. I am using it besides that the transmission makes a weird sound when you put R or D, it goes off when in P or N. Gonna check tomorrow if there is something wrong. Also, gonna put a scanner to see if there is anything else that isnīt working well.
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post #6 of 6 (permalink) Old 04-21-2017, 09:39 PM
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Yeah, sounded like the timing marks were off.
Glad you got it started.
There is no chain guide on the cam chain??

That noise you hear when shifting into reverse or drive could be the motor mounts or tranny mounts
Got to put it on the lift and with the engine running, have someone put it into gear with the other foot on the brake.
Maybe even rev the engine a little while checking the motor mounts
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