88lx
+1y
first off this is my nissan's engine, I just thought I ask some of you all first before my nissan site. Heres the deal. 6 mo. ago it began to run hot all of a sudden. I flushed it changed the pump and thermostat. seemed to be a little better, but shortly after... I took it on a trip and on my way back it was running real hot. finally the plastic top of my rad sprung a leak which I repaired and was on my way again, another 20 miles or so the rad neck broke off. ultimately It ran hot and blew gasket. So after towing and a long story, I tore it all down to the block, ordered a rebuilt head,and installed a 2 row all metal Rad.put it all back together and took it for an 8 hour back home trip. no probs, temp never went past half.once home with it and happy it had made the very testing trip,I was satisfied with the repairs I had made. drove it for a couple few weeks. and as the first cooler weather came along it ran hot again all of a sudden. So I immediatley took it to where my mazda was and parked it. drove the mazda till I had a chance to check it out. I started it a couple times after that when I began to notice coolant smoke pouring from the tail pipe.... Again I removed the head and replaced gasket, this time no fix. Although this time the cylinders and combustion chambers of 2 and 3 looked to have gotten hot and had lots of carbon buildup. during the first replacement cylinders looked excellent and head new. Would anyone like to discuss this with me so I might determine what to do next?