Low compression

FONFOSA2

MEMBER
2011 KIA FORTE
2.1L
4 CYL
2WD
AUTOMATIC
205,000 MILES

Low compression on all cylinders. Worn timing chain need to be replaced. The question is this, by changing out the timing chain will that get the proper compression back or will the entire engine need to be replaced?

Saturday, November 11th, 2017 AT 11:08 AM

5 Replies

SATURNTECH9

MECHANIC
30,869 POSTS

If you have a worn timing chain that is not going to cause all the cylinders to have low compression unless the timing chain jumped time? How does it run?

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Saturday, November 11th, 2017 AT 4:18 PM

FONFOSA2

MEMBER
3 POSTS

It is not running it will not start. When it was running it was running very sporadic no power.

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Saturday, November 11th, 2017 AT 4:55 PM

SATURNTECH9

MECHANIC
30,869 POSTS

The chain could have jumped that would explain the symptoms. So is there a lot of slack in the timing chain?

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Saturday, November 11th, 2017 AT 5:06 PM

FONFOSA2

MEMBER
3 POSTS

It has not been taken off. Took it to the shop and that was their diagnosis. I have gone to two mechanics and one said timing chain replacement other said best to replace the engine. I am confused, I do not know what to do. But I want to do whatever is least cost.

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Saturday, November 11th, 2017 AT 5:22 PM

SATURNTECH9