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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series. |
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10-07-2019, 01:33 AM | #1 |
Join Date: Oct 2019
Location: Las Vegas
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Seized sr20det
What’s up guys. So just joined the forum and really wanted to get some input. I just got into the schassis game with an sr but the s14 has a seized? Motor. Reason I question seizes is because the kid I got it from said it started sounding funny so he stopped running it. I towed it home and went to turn the crank and it’s pretty much stuck. Anything I should look at first prior to just ordering a new engine? Or any tips to check on prior to the major year down? Any help is appreciated. Please bare with the newbie
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10-07-2019, 09:14 AM | #2 |
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pull the plugs
make sure the cylinders aren't full of fuel crank engine if that doesn't work, remove the starter and then try to turn the engine over by hand (and by "by hand" I mean, with a breaker bar and socket, on the crank pulley bolt) if that doesn't work, engine prob has internal damage and will need a full teardown/replacement engine |
10-07-2019, 08:24 PM | #3 | |
Join Date: Oct 2019
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Quote:
So I tried those and nothing worked. I even checked all pulleys. I checked piston height and they are even. Like in pairs they are even. I put a 3ft breaker bar and got not even a budge. I think I’m just gonna look into a new motor. Maybe chain stuck? Maybe something stupid or real damage? I haven’t drained the oil yet. Wanna see it there’s bits and pieces. Hoping to salvage it but doesn’t look good smh. Sent from my iPhone using Tapatalk |
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10-08-2019, 11:18 AM | #5 |
Nissanaholic!
Join Date: Aug 2013
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Don't rule the trans out, could be in neutral, but not really.
Pull all the belts off, pull the starter, and then try, if still no pull the pan and if thats clean, pull the trans and try again.
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10-09-2019, 09:02 PM | #7 | |
Join Date: Oct 2019
Location: Las Vegas
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Quote:
So I feel like the the trans is fine because it goes into all gears just fine. When I roll the car it doesn’t seem to bind. Or would that matter? Sent from my iPhone using Tapatalk |
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10-09-2019, 09:04 PM | #8 | |
Join Date: Oct 2019
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Quote:
I’m probably gonna pull it all apart. If the bearings went bad then it’s still savable right? Depending on how bad the damage is right? Sent from my iPhone using Tapatalk |
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10-10-2019, 06:36 PM | #11 |
Zilvia Junkie
Join Date: Nov 2012
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+1 the confirming trans is in neutral, but youd still be able to turn the motor a little bit if it wasn't, if its that hard to turn its probably fucked
You can drive a valve into a piston and still rotate the motor if you try hard enough only time I haven't seen them rotate is after throwing a rod
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10-10-2019, 06:39 PM | #12 | |
Zilvia Junkie
Join Date: Nov 2012
Location: wisconsin
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Quote:
do what ralliart said and drain the oil. itll be very apparent if it failed catastrophically
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