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Dodge Dakota Engine Noise

6 messages,  Last post on Mar 03, 2009 at 6:40 PM

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#2 of 6 Re: Dodge Dakota Engine Noise [ted690] by dustyk Mar 01, 2009 (12:29 pm)
Replying to: ted690 (Feb 28, 2009 8:40 pm) I'm not aware of any common problems associated with engine noise on a 3.7. It is difficult to appraise your issue without hearing the noise for myself, but I've heard my share of these 3.7s run and they've all been quite quiet and completely absent and ticking noises. It is pretty much impractical to try to troubleshoot noises over the internet. Noises can fool you even if you're standing over the engine while its running.   However, that doesn't mean there aren't exceptions. Based on your report I'm momentarily at a loss to make a guess, though, because the lifters and rockers are in the cylinder head and there is no center camshaft below the intake manifold. How is the oil pressure? Are you using the correct oil (5W30) and the correct oil filter? Does the noise vary with engine temperature or some other condition?   I'd try to get a hold of a stethoscope and search for the noise.   Regards, Dusty Replies to this message: ted690 (Mar 01, 2009 3:25 pm) dustyk (Mar 01, 2009 8:05 pm) ted690 (Mar 02, 2009 10:58 am) and 1 more...
#3 of 6 Re: Dodge Dakota Engine Noise [dustyk] by ted690 Mar 01, 2009 (3:25 pm)
Replying to: dustyk (Mar 01, 2009 12:29 pm) Thanks for the input Dustyk. As far as the oil goes, I assume the dealer put in the right oil. It has a mopar oil filter. And no, the ticking noise is only present at idle..nothing varies. I was told by someone else that it could the the fuel injectors opening and closing. He has an F-150 and said his his twice as loud. Replies to this message: dustyk (Mar 01, 2009 8:05 pm) ted690 (Mar 02, 2009 10:58 am) dustyk (Mar 03, 2009 6:40 pm)
#4 of 6 Re: Dodge Dakota Engine Noise [ted690] by dustyk Mar 01, 2009 (8:05 pm)
Replying to: ted690 (Mar 01, 2009 3:25 pm) Well, I'd probably believe a noisy injector before I'd suspect any valve train noise on a 3.7 or 4.7, unless it's very high mileage (200K plus). My 4.7 does make a very, very, very small ticking noise when first started, but goes away after about one-two minutes of running. I've never tried to determine what was causing this because it is so minor. On some days it can't be heard at all. This, in fact, could be injector noise, especially since I have 117K on my Dak.   Best regards, Dusty Replies to this message: ted690 (Mar 02, 2009 10:58 am) dustyk (Mar 03, 2009 6:40 pm)
#5 of 6 Re: Dodge Dakota Engine Noise [dustyk] by ted690 Mar 02, 2009 (10:58 am)
Replying to: dustyk (Mar 01, 2009 8:05 pm) Thanks Dusty, I'm going to bring the truck back to the dealer in the next couple days so they can hear it. They just replaced the exhaust from the Y pipe back because they said someone had improperly installed an after market exhaust. It looks to me they installed a new pipe back from the Y to the rear muffler and a new tail pipe. What I found to be suspicious is they left out the front muffler. At least I think there is supposed to be a front muffler. This is one of those Dodge certified used trucks. What I don't understand is why this was not picked up in the precertification inspection. I'll let you know what they say. Thanks, Ted Thanks,  Ted Replies to this message: dustyk (Mar 03, 2009 6:40 pm)
#6 of 6 Re: Dodge Dakota Engine Noise [ted690] by dustyk Mar 03, 2009 (6:40 pm)
Replying to: ted690 (Mar 02, 2009 10:58 am) Hmmm, the 2001-2004 Dakotas only had one muffler. What you might be referring to is a resonator, but again, those were not used from '01-04. I don't know if the '05 and up got a resonator. I do know the exhaust system is a little different on newer models.   Best regards, Dusty

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