Question about 1991 Isuzu Rodeo
I have a 95 Isuzu Rodeo 3.2 with 80k mi. and an intermittent clatter. Sometimes it's on start-up other times it occurs after I've been driving for a little while. Most times it's so loud I'm compelled to check the oil level. I tried a heavier oil with an oil treatment. Any ideas?
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
Posted on Jul 29, 2009
I had a noise onmy 2004 that sound similar. It was my heat shield. Noises are usually loose things.
Posted on Sep 10, 2013
I had the same problem, it end up beeing that is a big mistake using heavi oil, I did some research and looks like we have to use ONLY 5-30 castrol oil, I had 20-50 and I had that noise on start ups, now that I changed th oil works just fine, when you change use the 5 or 10 minute engine flush for v8 engines, thenm change the oil. good luck!
Posted on Jan 04, 2013
I'd advise you run a compression check on all the cylinders. I believe the 3.2 Isuzu engine for that year is still a pushrod engine. You could have a bad lifter that might be sticking. You can also use a stethoscope to listen for any odd noises. Unless you have a broken rod. I'd have a helper start the engine while your at the front with the hood open and listen for the noise, figure out where its coming before you can really determine your best point of action.
Posted on Jul 13, 2009
Change oil and add some oil stabilizer to it
Posted on May 19, 2009
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Posted on Jan 02, 2017
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