4D57 rebuilt motor not running right
Posted: Sat Apr 16, 2011 11:23 pm
Hi people, im new to this forum. Thanks for looking.
So, I have a Hyundai H100 van, mechanically the same as the Mitsubishi L300 but with a 4D57 2.6 n/a motor. It died on the way back from a trip and it turned out the oil in the motor was so thick and gooey, im guessing it couldnt be pumped through the oil squirters, and subsequently the pin which holds the conrod to the piston shattered away from the piston. This caused the piston to get stuck at the top and get rammed into the valves on the 1 cylinder, bending it.
I removed the motor, and took it apart. I purchased a replacement block as the bore of the motor had been scoured too deep by the conrod. I bought 2 brand new valves for the one cylinder that had bent valves. I replaced the valves and put all the best pistons and conrods into the good block. I put the good block into the van and used a new head gasket and installed the head and pump etc. It started almost first pop, but behaved like it was running out of diesel, like I put the pedal flat and it wouldnt rev very high. and eventually the revs would drop till it died. If you left it for a lil bit and tryed again the same result.
I used some 'Start Ya son of a preacherman' to try get it to keep running, but it turns out that I left the glow plugs on and it has pushed the cover for the pre combustion chamber lower, as I could hear the pistons hitting them. Im currently taking the head off to inspect for damage.
Does anyone know what I may have done wrong here and what I should look for when taking the head off again??
Is there a way to check the presure is high enough from the pump ??
Thanks for reading :)
So, I have a Hyundai H100 van, mechanically the same as the Mitsubishi L300 but with a 4D57 2.6 n/a motor. It died on the way back from a trip and it turned out the oil in the motor was so thick and gooey, im guessing it couldnt be pumped through the oil squirters, and subsequently the pin which holds the conrod to the piston shattered away from the piston. This caused the piston to get stuck at the top and get rammed into the valves on the 1 cylinder, bending it.
I removed the motor, and took it apart. I purchased a replacement block as the bore of the motor had been scoured too deep by the conrod. I bought 2 brand new valves for the one cylinder that had bent valves. I replaced the valves and put all the best pistons and conrods into the good block. I put the good block into the van and used a new head gasket and installed the head and pump etc. It started almost first pop, but behaved like it was running out of diesel, like I put the pedal flat and it wouldnt rev very high. and eventually the revs would drop till it died. If you left it for a lil bit and tryed again the same result.
I used some 'Start Ya son of a preacherman' to try get it to keep running, but it turns out that I left the glow plugs on and it has pushed the cover for the pre combustion chamber lower, as I could hear the pistons hitting them. Im currently taking the head off to inspect for damage.
Does anyone know what I may have done wrong here and what I should look for when taking the head off again??
Is there a way to check the presure is high enough from the pump ??
Thanks for reading :)