Used cylinder head installation?

DAVID TODD

MEMBER
2003 KIA SORENTO
3.5L
V6
4WD
AUTOMATIC
200,000 MILES

Put a used head on the car and now it cranks over weird. It doesn't sound like it did before I put the head on. 2 or 3 revolutions it sounds good then it sounds like it skips a revolution and starts over again.

Friday, July 29th, 2022 AT 7:57 AM

5 Replies

BORIS K

MECHANIC
799 POSTS

Hello,

Please see the good video:
https://youtu.be/tYL00h5S2oU

Also see images below.

Hope this helps.

Cheers, Boris

Images (Click to make bigger)

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Friday, July 29th, 2022 AT 9:03 AM

DAVID TODD

MEMBER
13 POSTS
2003 KIA SORENTO
3.5L
6 CYL
4WD
AUTOMATIC
200,000 MILES

Put a used head on drivers' side of motor and now when I crank it over it sounds weird. The first couple of revolutions sound good but then it's like it misses a revolution and starts over again. Is this normal or is there some way I can time the cams?

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Sunday, July 31st, 2022 AT 4:05 PM (Merged)

BORIS K

MECHANIC
799 POSTS

Hello,

A good video:
https://youtu.be/tYL00h5S2oU

Also see images below.

Hope this helps.

Cheers, Boris

Images (Click to make bigger)

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+1

Sunday, July 31st, 2022 AT 4:05 PM (Merged)

DAVID TODD

MEMBER
13 POSTS
2003 KIA SORENTO
3.5L
V6
4WD
AUTOMATIC
200,000 MILES

The first time I put my car's engine in time I had resistance on all four cams, I put this new head on the driver's side and all of the marks on that side were lined up while the passenger side had resistance. This doesn't seem right to me; can you please tell me what I did wrong and how to fix it? I have been working on this for 4 months now. Please help.

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Sunday, July 31st, 2022 AT 4:05 PM (Merged)

JACOBANDNICKOLAS

MECHANIC
109,885 POSTS

Hi,

The only thing I can think of is if you are releasing the belt tensioners too quickly. Do me a favor. I attached the directions below for installing the timing belt. Take a look through them and see if there is anything you are doing differently.

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

Take care,

Joe

See pics below.

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