Hi, i have an isuzu trooper 2000, with 73k miles,I have a ticking/knocking noise which i hear iat about 2500-4000
rpm, can hear it in neutral when pressing gas pedal. One mechanic told me lower engine noise, someone told me
possibly loose pedastall in rocker assembly arm. Here is a video, any ideas, thanks.
From the video it sounds like a rod bearing, it won't last long at those RPM's better get it fixed now while you still have an engine to fix, if it lets go it's bye bye engine block.
Is that something that can be fixed or is it such tat the engine has to be removed and rebuilt, thanks for your reply.
you can unbolt valve covers and run it and see what's happening ,some oil will splash a little though .run heaver oil weight to fill this gap for now if a rod bearing!. Needs a cushion of oil, or will hammer crank out of round
pull off the oil filter and see if it's buggered up, and chokey~ replace-
You will need to remove the engine to do it right the crankshaft will need to be checked for damage due to the rod noise. You might try pricing a crank kit, that will include a reground crankshaft and the bearings to match.
( knock sensor) ticking could be your rods wearing
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