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2005 Hyundai Santa Fe Seized, but why?

Tiny
BILL05
  • MEMBER
  • 2005 HYUNDAI SANTA FE
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
I was driving in town (25 mph) Came to a stop, When I left the stop the car drove about 10 ft. And died. When I tried to restart the car you could only hear the starter trying to engage. The next day I had the starter bench and load tested, it tested good. My next step was to pull the plugs and try turning the crank with a breaker bar, the engine is seized tight. I pulled the top half of the timing cover and the belt is fine. I had just changed the oil 2 weeks before this happened. When the car died there was no Knocks bangs or screeches. The oil still shows full and it is bright with no burnt smell. I put penetrant oil in the cylinders 24 hrs. Ago and tried the breaker bar again and is still froze TIGHT. This is usually a no oil problem, but this was not the case. Do you have any ideas? I would hate to sell the car "CHEAP" and find out it was something simple.
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Wednesday, September 10th, 2014 AT 8:42 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Are you trying to turn the crank with the plugs out?
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Wednesday, September 10th, 2014 AT 8:53 AM
Tiny
BILL05
  • MEMBER
  • 2 POSTS
Yes, I removed the plugs. Would a top end problem (head) seize the engine, or is it always cylinders that seize?
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Wednesday, September 10th, 2014 AT 9:31 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,867 POSTS
Okay, if you removed the plugs and it still won't turn, it isn't hydrostatic lock caused by coolant getting into the cylinders. As far as the head, the only thing I can think of is if the cam would lock up, but I would think it would have made noise. It could be a rod or crank bearing, but again, you should have heard it.
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Wednesday, September 10th, 2014 AT 5:09 PM

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