2001 Ford Expedition stupid mistakes most commonly made by

Tiny
DRAGONTEAR
  • MEMBER
  • 2001 FORD EXPEDITION
  • V8
  • AWD
  • AUTOMATIC
  • 74,000 MILES
Soooooooo. I kinda forgot to change and check my oil all year. Im sure yal know where this is going. Im driving along and outta no where I hear a knocking sound from my truck as I passed under a bridge (gotta love an echo) well I go to a gas station and check the oil. I was low so I put 3 quarts of 5 w30 supposed to take 5 w20 but oil is oil when you kind of dont have a choice. Knocking is still there. Not a tick and sounds to be from the bottom of the engine. Upon starting it knocks and stops at idle. Ticks at idle. Accelorating it knocks but once reached a steady speed it slows when the rpm sattles to under 2000. Soooo bent rods? Piston severed? Rockers? Anybody know what this irresponsible idiot I am decided to break on a truck im having a hell of a time affording as is. With x-mas coming up I cant afford a mechanic to fix this. But I just hope I might be able to afford the parts to do it my self. I have never taken apart an engine b4 in my life but I never changed rear gears b4 either and I managed just fine with out any advise. Just gotta know what im looking at here, im just hoping I didnt bend the crank shaft
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Sunday, December 16th, 2007 AT 6:37 PM

3 Replies

Tiny
FLEXY5
  • MEMBER
How rough does it run at idle? Does it feel like it misses? My suggestion would be to first remove the oil pan (its a shame to have to waste the three quarts you just put inm but, ...). If you would like me to walk you through inspecting piston rod journals and main bearing journals I would be happy to help you. You can PM me for further instructions if you would like.

Dave
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Sunday, December 16th, 2007 AT 9:16 PM
Tiny
DRAGONTEAR
  • MEMBER
It doesnt feel like its misfireing missing or going through preignition. It doesnt realy rattle or shake. Its more like something is seprated in the crankcase and knoking around. I had a dodge ram that misfired for years. Only off by a lil but I can feel the difference between the misfire and whats happening now to this ford is literaly like something spinning in the engine thats not connected if that helps. Hmmmm ima try the pm lol thank you sooooooo much
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Monday, December 17th, 2007 AT 1:31 AM
Tiny
MERLIN2021
  • EXPERT
If the sounds increases and secreases with acceleration, you either have a bad wrist pin (top end of pistin) or a bad rod bearing (bottom of piston). And like dave said, the journals need to be looked at too!
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Monday, December 17th, 2007 AT 12:44 PM

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