Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [seized-engine]

21 questions
26
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Is it really impossible to fix a seized engine?

I had an engine seizure that happened while I was driving the car: it ran low on oil and suddenly the engine stopped working (with a bit of smoke). Now after being towed, I have left the car (and added oil) for a couple of weeks, hoping to try and…
Jalapeno
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How do you un-seize an engine?

I have an older engine that is seized. It is a 1953 Desoto Hemi. How can I un-seize it? I have sprayed Sea Foam Deep Creep down the plugs and let sit for weeks. As well as transmission fluid. To no avail, this bad boy won't crack. I have attempted…
Jonathan Musso
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Starting a 2 stroke jet boat after several years

The parents in law gave me a jet boat, it hasn't been started in 5 years. The boat resided in NH on a trailer on their yard for 5 years, so it has seen freezing temperatures frequently. From what I understand, 6 years ago the boat ran fine at the…
Calvin
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Rebuilding an engine: pistons installed, crank rotation "very" stiff

As I'm assembling my engine back (Skoda Estelle 120, 70s, RWD, rear mounted engine) I have the following issue: installed crankshaft, camshaft and distribution chain, torqued as manual recommends, it turns freely by hand (a little bit stiff). Then…
Aram Alvarez
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New garden motor seizing up

I have a garden tool (roto tiller) with a 196cc engine. The engine is cooled using forced air, it is a 4 stroke engine. The engine has not been used for more than 2-3 hours so far. I have tried to use the engine again today and I have faced some…
Yanick Salzmann
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1 answer

Jeep 4.0 inline 6 engine won't turn over by hand, need help

Here is the backstory. Wife had her 2004 Jeep Wrangler running and driving fine and the transmission went out about 2 years ago, it was a 42rle. The Jeep sat at her parents ranch outside with no transmission in it. She recently bought a used…
user63748
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Ford 4600 diesel tractor

I have a Ford 4600 tractor (3 cylinder diesel) that I have had for a few years. I have replaced the starter, alternator, cleaned up the contacts, changed parts of the electrical system, etc and managed to get it running well for 1 winter, start…
Bond
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Rear brake cylinder's piston "really" stuck: how to remove it?

The rear brakes in my hobby car are drums type. One of its brake cylinders have one of the pistons "really" stuck: it won't move by hydraulic force by pressing the brakes pedal; it won't move by slightly tapping it in or out of the cylinder body and…
Aram Alvarez
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N52 intake camshaft seize

My car overheated and I got the oil symbol while driving. Shortly after my car stalled and I haven't been able to get it to run. I opened up the valve cover and the bolt for the intake camshaft sprocket was was lose and part of it had snapped off.…
Hector Herrera
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Piston too tight?

I am rebuilding a previously seized engine and after sanding the sidewalls of the cylinder and piston with 1500 grit sandpaper (there was absolutely no other choice) The piston requires much force to move in the cylinder (I put the crankshaft on the…
Hristos
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How can find if the CDI of my bike is working fine?

I have a 2001 Yamaha RX 135 2 stroke motor bike and have installed an aftermarket performance CDI which claimed to give me better performance and RPM rev. But since I have installed it I seem to feel a significant loss of torque specially at lower…
S.D
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Lawnmower locked up, cannot turn shaft

Thank you for coming here. My dad recently picked up a Craftsman gcv 160 mower. When I unloaded it, I ran it for a while, then drained the oil. Remember, it worked when I got it. The oil was very grey in color. I put in New oil, which was a…
3eeeeeee512
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Did my dealership screw up the 140k mile maintenance on my 2010 Toyota RAV4 and what options do I have?

UPDATE3: See below. TL;DR They found the problem. They say the plastic guides on the timing chain came loose and jammed the timing chain, making it seem like the engine seized. $3,100 repair. Don't need a new engine. I brought my RAV4 in for regular…
hepcat72
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Rear wheels suddenly locked up on '07 Hyundai Accent

The rear wheels on our '07 Hyundai Accent hatchback have locked up. This morning we got in the car, and when my girlfriend took off the parking break there was a strange thunk. As we began to drive forward it was clear that neither of the rear…
doub1ejack
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Manual Trans Stuck Gear Shifter

My 2006 Toyota Matrix w/185k miles transmission failed while I was driving and the most unique symptom is that the gear shift won't move at all anymore. Not only can I not put it into any gear while holding in the clutch but the usual play of the…
nvuono
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