My 2003 dodge ram 1500 4.7L V8 engine started knocking yesterday afternoon out of no where. Any ideas what it could me? I've been told it's the connecting rod but I'm not sure.

10

Asked by Jul 17, 2014 at 10:38 AM about the 2003 Dodge Ram 1500 SLT LB

Question type: Maintenance & Repair

It only does it when I accelerate and
until I hit about 40- 50 miles an hour
and is not nearly as bad once it
warms up some.

6 Answers

21,965

not actually hearing it, but it doesn't sound good- your choice: diagnose and fix it now, or wait 'til a rod goes through the engine block-

10

Ok. Bu do they just go bad all of the sudden? It ran time yesterday until around 5

21,965

yes, things can break suddenly- how often do you check the oil?

10

I don't change it/check it as refit ally as I should but I do do it. If it is my connecting rod is it hard to replace and do you know where it's located at?

1 out of 1 people think this is helpful.
21,965

oh my- you don't know that bad engine bearings can mean an engine rebuild? when the rod/crank bearings wear the rods can "knock" around inside your engine- like I said, not hearing the noise, I can only hope that it is something easier to fix- this is the reason people are always changing their oil and checking it so it doesn't get low- good luck-

10

the 4.7 have a bad batch of wrist pins that are soft and wear out. take engine apart and replace the piston pins and you will find an 1/8 of wear on them. replace the pins and complain to chrysler, they know about the soft pins. so depending on mileage, it sounds like you could include a valve job, rebearing and piston rering along with the pins you will have a like new engine. but the 4.7 has a huge rep for piston pins going bad by 45 thou. once replaced the engine is good.

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