1992 F250 Engine Shaking
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New User
Joined: Sep 2009
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1992 F250 Engine Shaking
Hello all, I am new to this site and have a question. I have a 92 F250 7.3 and the engine shakes terribly until I hit about 50mph. Anyone have any clue what could be causing this?
Lead Driver
Joined: Nov 2003
Posts: 6,900
Likes: 3
From: Campbell River, B.C.
We need some more info on your situation before we can really tell you what might be happening.
What transmission?
what gear are you in? (does it behave differently in different gears?)
Does engine RPM affect it at all?
How does the engine start and idle?
How old is your injection system?
Any smoke? (under what conditions?)
How many miles on the truck/engine/transmission
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
All the crap I have done with my truck, loads, power, broken transfer case, many twisted driveshafts and on an on and my motor mounts are still original at 450,000 miles.
I am not saying they can't be broken, but it won't be easy to do.
rickscott2,
Welcome to FTE and the IDI diesel forum.
I also say we need a bit more info about your truck.
I am not saying they can't be broken, but it won't be easy to do.
rickscott2,
Welcome to FTE and the IDI diesel forum.
I also say we need a bit more info about your truck.
Posting Guru
Joined: Jul 2004
Posts: 1,627
Likes: 0
From: West Valley Utah
What about the shaking makes you believe it's the fault of the engine? Does it have a miss in the engine, rough idle, same vibration while sitting in neutral and raising the rpm or only shakes in gear and driving?
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New User
Joined: Sep 2009
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The trucks shakes while idling, and smoothes out when accelerating. After shifting it shakes until i hit around 45-50.
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New User
Joined: Sep 2009
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Welcome to the forum, Rick.
We need some more info on your situation before we can really tell you what might be happening.
What transmission?
what gear are you in? (does it behave differently in different gears?)
Does engine RPM affect it at all?
How does the engine start and idle?
How old is your injection system?
Any smoke? (under what conditions?)
How many miles on the truck/engine/transmission
We need some more info on your situation before we can really tell you what might be happening.
What transmission?
what gear are you in? (does it behave differently in different gears?)
Does engine RPM affect it at all?
How does the engine start and idle?
How old is your injection system?
Any smoke? (under what conditions?)
How many miles on the truck/engine/transmission
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Postmaster
Joined: Apr 2009
Posts: 4,086
Likes: 1
From: Malahat/Cowichan Valley
holy crap, i havent heard of that one before. so the top piece unscrewed from the bottom? Wow. you may want to put it back on if possible and first so a very small shot of pb blaster. Something to break it loose.
Senior User
Joined: Mar 2008
Posts: 450
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From: Vancouver,WA.
Ok be fore going any further grind all the coarse threads off and locktight the fine threads, let set up 1 or 2 days, then put a 2x6- 2x10 over it, disable the injection system, crank and hope fully it pops out...
Senior User
Joined: Mar 2008
Posts: 450
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From: Vancouver,WA.
Now if it doesn't pop out you will have to soak it with carbon blaster/berrymanns chem-tool or some such cleaner.
Scrape around the injector and try to pry it out and pull it out with a needle nose pliers.
I couldn't get mine to come out so I ended up pulling the heads and having them hot tanked,,The guy said it took longer to find the pliers then it took to pull it out...
So make sure you try to locktight the top part and crank it first, but don't damage the fine threads.... GOOD LUCK!!!
Scrape around the injector and try to pry it out and pull it out with a needle nose pliers.
I couldn't get mine to come out so I ended up pulling the heads and having them hot tanked,,The guy said it took longer to find the pliers then it took to pull it out...
So make sure you try to locktight the top part and crank it first, but don't damage the fine threads.... GOOD LUCK!!!
Postmaster
Joined: Apr 2009
Posts: 4,086
Likes: 1
From: Malahat/Cowichan Valley
would a heat gun be beneficial in this case? The hot tank just expanded the metals and broke things loose. Maybe a non flammable "carbon blaster" and some good heat? Just a thought.
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New User
Joined: Sep 2009
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SP,
I used locktite and screwed it back into the other half. I wont use needle nose pliers again, I am now missing a 1 inch chunk of skin off my knuckles using those things! So I should wait a day or two?
I used locktite and screwed it back into the other half. I wont use needle nose pliers again, I am now missing a 1 inch chunk of skin off my knuckles using those things! So I should wait a day or two?