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any tips bout seized 5.0L

 
  #1  
Old 04-29-2011, 04:12 AM
sthrnarmy
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any tips bout seized 5.0L

Im goin to check out a truck this weekend from my brothers friends they aint mechanically knowledged, so its hard trying to figure it out what they mean. i guess the guy parked it cuz he blew the spider gears in the rearend it ran when he parked it bout a year and a half and the engine wont crack i was thinkin minor like solenoid or starter froze up so ill try turn the engine by wrench but if the engine is seized whats the easiest way to unseize it. im askin cuz i heard rumors bout trans fluid in the cylinders and lit it set for 24 hours. i dont wanna pull the engine but i got a replacement i just finshed if i really have to
 
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Old 04-29-2011, 04:19 AM
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If it dont turn over with the starter, pull the starter out. I have witnessed many 5.0 starters that the bendix broke on and wedge locked the flywheel to make it look like the engine was froze.

If it is actually locked up, put some brake fluid down the cylinders. Brake fluid eats rust and will free the engine if its rusted. Most likely though, you will get a stuck ring.
 
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Old 04-29-2011, 04:21 AM
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Your on the right track. I also heard many people using Marvel mystery oil. Either way, you will know with the wrench on the crank. I wouldn't offer more than what the junk yard people will give ya for crushing it if it is indeed seized.
 
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Old 04-29-2011, 04:27 AM
sthrnarmy
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Originally Posted by p-nut View Post
If it dont turn over with the starter, pull the starter out. I have witnessed many 5.0 starters that the bendix broke on and wedge locked the flywheel to make it look like the engine was froze.

If it is actually locked up, put some brake fluid down the cylinders. Brake fluid eats rust and will free the engine if its rusted. Most likely though, you will get a stuck ring.
well all the guy did was turn the key to try, and ive had my hunting truck starters just rust up that it wouldnt shot out to turn the flywheel. so my first thought is the starter also. and im gonna git the truck anyways cuz its a 89 f150 4x4 with a new 6in lift sittin on 35s and its only 400 bucks
 
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Old 04-29-2011, 04:29 AM
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Originally Posted by timbersteel View Post
Your on the right track. I also heard many people using Marvel mystery oil. Either way, you will know with the wrench on the crank. I wouldn't offer more than what the junk yard people will give ya for crushing it if it is indeed seized.
the guy said 400 and ill still try to talk him down but that aint bad at all for what the truck got.
 
  #6  
Old 04-29-2011, 06:43 AM
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Yeah, $400 isn't bad. I didn't know 'bout the 6" lift and 35's. If you talk him down, Atta Boy!

Let us know what you find out!
 
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Old 04-29-2011, 09:13 AM
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if the engine is actually froze, forget the 5.0! Dump in a 351w with some extra HP!!! 351w can usually be found cheap in running condition on CL http://www.craigslist.org/about/sites
Just my 0.02cents!
 
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Old 04-30-2011, 04:23 PM
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thanks for the help guys, and idk how but i got the guy down to 300 and what was wrong was carb needed to be cleaned and a bad starter. it turn nicely by wrench
 
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Old 05-02-2011, 04:03 PM
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good deal thanks for up dating us! I'm sure we'll see you again soon when you find the next problem! LOL
 
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Old 05-02-2011, 05:06 PM
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What Nstueve said! Good to hear the Update!
 
 
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