Our local garage folks say the engine in my 1998 Pathfinder is seized. It lost power and quit running. They said it was the starter at first and replaced the starter (they say it was burnt out). They asked me to come in and see the vehicle and explained that one of the spark plugs (the mica lining) has melted and they suspect that is what caused the engine to seize. Can it be unseized? Could it be something else?
Thanks in advance for the help.
This is 100% possible - you are going to need a new engine - once an engine siezes there is no way to bring it back without extensive machine work, to help you understand what happened there was a lack of oil somewhere in your engine and basically what happens is those pieces heat up and weld themselves to each other (thermal welding) this usually happens on cars when the oil has been neglected and or on higher mileage cars when the oil pump is not pumping enough oil to the engine - once this happens it is cheaper to buy a new engine than to repair it.
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Hi I'm Peter. I'm not quite sure if you are asking if a car will start with no oil in the engine or if the engine was ran with out oil until it seized up. Is this an engine that was just put in? If it was rebuilt and installed was running then froze up I would suspect that the person who rebuilt the engine made a mistake somewhere causing the engine failure. If you are asking that if you drained all the oil out of an engine would it still start and run the answer is yes. There will be a residual oil on all the metal components that would allow the engine to run for a while but eventually it would heat up from friction and seize. If you ran the engine low on oil possibly from it leaking out somewhere and the engine will no longer start then you just seized the engine and it will need rebuilt if possible or replaced.
sounds like you either lost your fan belt, or you have a seized up alternator, or belt tensioner. The fan belt [ drive belt ] turns the alternator to charge the battery, the power steering pump to make easy steering , and the water pump cooling your engine. Do you smell rubber burning? hear a squealing noise? or rattling noise. Open your engine bonnet, start the car up, and look at the drive belt and pulleys. They should all be turning. If this is the problem you will see something seized up. Also if you have let the power steering pump run out of oil, it may also be seized. Good luck with it
I think the first think I'd do is call some local junk yards to see if they have a motor and how much they charge for it. many have garages and will warranty the motor and install it fairly cheaply. check them out with the bbb before doing business with them. you might be able to get one much cheaper and it will give you an idea of what the car is really worth if the right person comes along.
It depends on why / how the engine seized.
If it has been sitting for a long time, then sure, pull the pan and sparkplugs and use a penetrating oil.
WD40, Liquid Wrench, or Loctite Solvo-Rust Super.
If it seized due to oil issue or overheating, then the engine must be pulled.
Because of the seriousness, please also consider all solutions provided by other experts.
first thing i would make sure is to remove the belt from the engine and see if it turns then. possible siezed accessory pulley could stop engine. if still doesnt turn over with belt off, maybe remove spark plugs to see if will turn over then
Not always. If you have a KA24E (2.4L 4 cyl) engine, the thermostat is located where the lower hose connects to the engine. I have had to change mine. It's easiest to get to if you remove the power steering pump and set it to the side. The thermostat housing is directly below where the PS pump mounts.