Zac88 Posted January 14, 2018 Share Posted January 14, 2018 Bought a ej257 short block that has about 10,000km on it. Story is that it wasnt broken in properly and was burning a lot of oil. When the pan was pulled apparently there was some brass in it. Where do I begin to look for damage? I payed very little for this block so if it only ends up being good for a core exchange I wont be upset. Link to comment Share on other sites More sharing options...
stocklgt Posted January 15, 2018 Share Posted January 15, 2018 I think your best bet is to send the oil off for analysis to determine what type of metal is in the oil. If you want to test at home, if the metal doesnt react to a magnet its generally bearing related. If it does, its iron or steel. You need to take the motor apart to really see damage, but this is a good starting point. Make sure to replace ALL oiling components if you are going to reuse the motor: Oil pan, and oil pickup should be replaced, pan can be cleaned and re-used if on tight budget Oil Cooler (on applicable models) MUST be replaced, it cannot be cleaned, ever. Heads should be cleaned and inspected - oil galleries can house debris On AVCS equipped models, AVCS gears should be inspected and cleaned, AVCS oil line from solenoid flushed and the cam's oil gallery for the AVCS gear should be flushed Oil Pump usually needs to be replaced due to damage from debris, can be cleaned and re-used although not recommended Turbo Oil Feed's screen filter on the Banjo bolt will need to be replaced, if you lack the filter, you need to flush or replace oil feed line to turbo and inspect turbo for debris read: https://forums.nasioc.com/forums/showthread.php?t=2401576 good luck. I would lean towards core exchange unless you want the headache. Link to comment Share on other sites More sharing options...
Moderators BarManBean Posted January 15, 2018 Moderators Share Posted January 15, 2018 split the block and inspect cylinder walls and crank journals. If one of the bearings spun, you will see that plain as day. "Bullet-proof" your OEM TMIC! <<Buy your kit here>> Not currently in stock Link to comment Share on other sites More sharing options...
Zac88 Posted January 20, 2018 Author Share Posted January 20, 2018 are there any good piston and bearings kits? Link to comment Share on other sites More sharing options...
Darth SpecB Posted January 20, 2018 Share Posted January 20, 2018 You can get oem pistons for about 25 each. You just need to know if it's size A or B. As far as bearings go, you should split the block first to see if any bearings have spun like barmanbean stated above. If a bearing has spun you will have to get a line hone which will determine your bearing size. King bearings, and ACL are good quality bearings if you choose not to go oem. Sent from my SM-G950U using Tapatalk Link to comment Share on other sites More sharing options...
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