Engine noise. Hi guys! I am from Russia, so first of all sorry for my english. I need your help. I own Isuzu Rodeo 2002 2,2l y22se and I bought it with very strange noise coming from the engine. First of all I changed water pump, timing belt with all rollers, exhaust manifold, cylinder head, clutch, but noise didn't change. I spent a lot of money, and I am very upset. Even car service guys have no idea about my problem. So the only hope for me is you. I have a video with this freaking noise on youtube. http://www.youtube.com/watch?v=_JPQOynwmaA
First, your English is fine - better than many people whose primary language is English. I watched the youtube video and although the noise is not easy to identify, it does sound like a metal gear or roller noise. You said that you replaced the timing belt, but did you replace the belt tensioner? Also, you replaced the head, but did you replace the camshaft? I would suggest that you purchase an automotive stethoscope (similar to a doctor's stethoscope) and try to determine exactly where the noise is coming from. I can tell that the noise is coming from something that moves at the same rate as the engine RPMs, so that eliminates many items such as the manifolds that do not move. If you have power steering, check the power steering pump. Another possibility that could be the source is the flywheel and starter area. Sorry to hear you're having this problem and that you spent a lot of money unsuccessfully trying to fix it. Give the stethoscope a try and see if you can localize the noise. Good luck.
Testimonial: "Thank you! In the car service mechanics did everything they could. And now they say that my problem perhaps connected with crankshaft. They guess that there is some working aperture in the crankshaft, which creates so called "swirls" . It's hard to believe. Is that even possible?"
SOURCE: Oil comming out of Exhaust Manifold Cylinder 3 and 6 AFTER RUNAWA
your cylinder is scoreed on 3 and 6, it probaly happen during your runaway,I know this is not the answer you wanted to hear,I hope this helps you?
SOURCE: 2001 grand cherokee running hot , replaced water
If it is the 4.0 engine there have always been bad to have a cracked head,right between the valves in one of the cylinders.
SOURCE: The engine sounds very loud
The flex pipe is located towards the rear of the engine, under the vehicle. It will be very obvious, you mentioned it was loud as if missing the muffler and coming from the rear of the engine. That sounds like a flex pipe and/or front pipe problem.
SOURCE: engine ticking new rods, pistons, timing belt... help
I have an 03i lancer n just redid just about the whole engine after hearing a odd noise n was still there after replacing bearings rods pistons n you name it. Lol.the only thing i didnt replace was the oil pump.funny its what the noise was because of slack in the pump assembly...hope it helps
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