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Elantra suddenly stopped

Question : My 1995 Elantra suddenly stopped running, and when the mechanic took off the upper timing belt cover, we could see the timing belt, but when the mechanic rotated the crankshaft, the belt did not move. He found the belt to be tight and not broken. Although the timing belt does not seem to be broken, could the pistons have hit the valves, causing severe engine damage?

Answer : The timing belt has failed. What you are seeing are the results of the teeth shearing off the inside of the belt. The valves may or may not be bent. You could try replacing the belt and doing a compression check.

If the compression check is okay, the valves are not bent. If the compression is low in any cylinder, it is likely that the valve(s) of that particular cylinder are bent. Personally, if I find that the cogs on the belt have sheared or the belt has snapped, I will immediately take off the head because in such a case it is most likely that the valves are bent.

 
   
 

Timing chain or timing belt

When to change

What a waste

Change chain when it rattles

Time to change timing chain

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Elantra suddenly stopped

 

Safer to change other bits, too

Doubting the manufacturer

Belt too tight

Timing chain

Belt or chain?

Timing Belt

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