xfire89 Posted June 17, 2020 Share Posted June 17, 2020 Hey guys and gals, I'm having a hell of a time trying to diagnose my 99 Legacy B4 twin turbo motor. I'm hearing a knock, it isn't load and you can barely hear it. The spark plugs were changed about 2/3 months ago, I was told to check the gaps but I'm sure sold that, that is what it could be. I changed the oil to 10w-40 and I put awhole bottle of Lucus Oil treatment. Still knocks, I used the famous screw driver to block trick and I hear the knock in the back 2 cylinders. I attached a video. It sounds loud in video but it isn't that loud. Can anyone help? Thanks! http://cloud.tapatalk.com/s/5e...94166c/VID-20200614-WA0000.mp4 Sent from my ONEPLUS A6003 using Tapatalk Link to comment Share on other sites More sharing options...
Max Capacity Posted June 17, 2020 Share Posted June 17, 2020 (edited) Can't view the attached. Based on what your saying, I would start saving up some money and have a plan in place for what you want to do to fix it. Edited June 17, 2020 by Max Capacity 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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