105k on car 300 on short block ran like a sewing machine until trailer pull. I pulled timing belt changed auto tensioner and timed no help. Noise on right side and one lifter until power added then several make noise. Changed oil 10w30 and added qt of marvel oil. noise not as loud but oil pressure drops to zero when idleing and 85# when at 2k. Oil pump changed with short block. Noise about same level regardless of engine speed just faster.Good power on road.
SOURCE: isuzu 2001 diesel engine won't start
cant start deisel 3.0 lilter sounds like there is no fuel getting to the engine
SOURCE: I have an Isuzu Rodeo 3.2 L when the engine is
if you dont plan on rebuilding the motor then just put some thicker oil in it!
SOURCE: 1995 isuzu Rodeo engine noise
valve guides worn and tappet adjustment required, can check tappet adjustment first to see slightly better before removing heads and getting valve guides repaired/replaced on heads common problem
if raise revs to 1500-2000rpm and hold does clatter come and go come and go (valve guides) if there all the time tappet clearance issue
if there only under load (1st rev up) for a couple of times then stops possible big end bearing
all these are common for this engine
SOURCE: Isuzu 3.2 L V6 Engine clacking
The problem with the 3.2 ticking noise is the worn rocker rod on the intake side. These rods support the rockers and the slave rockers for the exhaust. The slave rockers wear a groove in the rocker shafts that create extra clearance. The extra clearance is too much for the lifters to cover and then you get the tapping noise. The only cure is to replace the intake rocker shafts. When you get into the valve train, it is obvious what the problem is.
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