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2003 Kia Sorento compression

Tiny
SORRY SORENTO
  • MEMBER
  • 2003 KIA SORENTO
  • 3.5L
  • 6 CYL
  • RWD
  • AUTOMATIC
  • 191,000 MILES
Cannot find any actual specs as to how much compression I should have
Saturday, August 15th, 2015 AT 1:39 PM

10 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Standard value 1,200 kPa (12.2 kg/cm2, 170 psi)
Limit 1,050 kPa (10.7 kg/cm2, 149 psi)
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+1
Saturday, August 15th, 2015 AT 3:20 PM
Tiny
SORRY SORENTO
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  • 18 POSTS
Thank you. I guess that means 60 psi on all cylinders is bad
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Saturday, August 15th, 2015 AT 3:22 PM
Tiny
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Hahaha. OH yes

That would be bad on any vehicle.
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Saturday, August 15th, 2015 AT 3:23 PM
Tiny
SORRY SORENTO
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  • 18 POSTS
Thats what I thought. Probably bent valves right
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Saturday, August 15th, 2015 AT 3:26 PM
Tiny
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I(f you had a timing belt break, you can bet on it.
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Saturday, August 15th, 2015 AT 3:27 PM
Tiny
SORRY SORENTO
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  • 18 POSTS
Replaced heads with junkyard heads after timing belt broke
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Saturday, August 15th, 2015 AT 3:27 PM
Tiny
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You may have bent them putting the head on if you didn't have everything in the correct position or rotated the engine with the belt off.
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Saturday, August 15th, 2015 AT 3:30 PM
Tiny
SORRY SORENTO
  • MEMBER
  • 18 POSTS
Thanks I just wanted confirmation since the book only tells me lowest has to be atleast 75 % of highest
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Saturday, August 15th, 2015 AT 3:30 PM
Tiny
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Nothing will run under 100 PSI.
Make sure you have it in correct timing.
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Saturday, August 15th, 2015 AT 3:33 PM
Tiny
SORRY SORENTO
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  • 18 POSTS
Thank you. Timing dead on
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Saturday, August 15th, 2015 AT 3:35 PM

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