Starter grinding

  • 2008 KIA SORENTO
  • 3.3L
  • 2WD
  • 100,000 MILES
Hello. Sometimes when I start my vehicle, the starter will make a grinding noise. It started it off by doing it sometimes but now it does it more. I thought it was a bad starter because the starter was grinding but we recently replaced the starter with a new starter and it is still doing it. Now we think it maybe the ignition switch. The car stops grinding when the key is turned back to the left slightly. We didn't realize it did that until now because I noticed that the car seems to crank up by itself without putting much effort into cranking it up. Side note: I do not have the original ignition switch in my vehicle because my car was stolen about a year and a half ago and a locksmith replaced the ignition switch. Also, my check engine light came on and it gave me 2 codes but I can't seem to find the slips but the word solenoid keeps jumping out to me. I am trying to figure out the issue before I spend anymore unnecessary money. Key ignition switch needs to be replaced, or is it anything else I can do to the ignition switch instead of replacing it again, or is it something else?
Do you
have the same problem?
Saturday, August 24th, 2019 AT 5:31 PM

1 Reply

Welcome to 2CarPros.

If the starter is grinding and the new one does the same thing, you need to check the flex plate. That is the geared component which the starter engages with. It is possible that the teeth on the flex plate (flywheel) are damaged.

I found two pictures. The first one shows where there is an inspection plate on the transmission. It is used for both inspection and an access point to unbolt the torque converter. The second pic shows one of the bolts on the torque converter. Where I highlighted is where the teeth will be on the flex plate. You will need to rotate the crankshaft clockwise a little at a time to see the entire way around the part.

Other than this, you can remove the starter and look where in where it mounts to see the flex plate.

Let me know what you find or if you have other questions.

Take care,
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Sunday, August 25th, 2019 AT 9:08 PM

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