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Weird Popping Noise

Discussion in 'Exterior' started by KyleW2, Dec 12, 2018.

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  1. KyleW2

    KyleW2 Senior Member

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    Hey everyone. I am experiencing a weird noise from my 2008 Ram 1500 2WD 4.7. At low speeds (less than 10mph, usually coming to a stop at a red light or stop sign), the truck makes a slight pop. What is weird, is it does not happen every time and if I back up, you can hear it while backing up right about the same road position it did it last time and then once you pull forward, again you can hear it. Because it is not frequent, I have been unable to diagnose the issue and I can't bring it in to have it looked at since it is so sporadic. I can go weeks without hearing it.
    Since it does it at the same spot in the road if I back up and pull forward etc, I believe it has something to do with the drive train rather than the suspension. This is always moving straight forward, not turning. Would a bad u joint on the drive shaft make a noise this sporadic?
    Please let me know what you think. It has been making the noise for a while, but has not increased in frequency at all.
     
  2. Karlsweg

    Karlsweg Senior Member

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    Check driveshaft you might have a bad ujoint. Grab the driveshaft and rock it back and forth listening for “play” both rear and tranny joints. Also watch for excessive pinion slop. The 9.25 rears have issues with pinion bearings.
     
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  3. McBroom

    McBroom U.S.Marine Veteran Retired 88-2000 Military

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    I recommend looking at the ball joints and as already said the U joints on the driveshaft.
    If ya need help with diagnosis of these items hit us up here.


    I Love my 18 Ram 2500HD 4x4 CC
    Blue Streak Pearl off-road
     
  4. KyleW2

    KyleW2 Senior Member

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    Thanks guys. That was what I was thinking it would be, I will try to get it up on a lift and check it out.

    Another thing: Rotated my tires today and noticed after putting it back on the ground the tire was leaning out at the top. Drove it around the block and looked again and noticed it was normal again. I'm assuming this is a ball joint issue? The truck is an 08 and they've never been replaced so they are probably due anyway. Are they able to be pressed in/out or do I have to replace the complete control arm? If I am going to work on the suspension I am going to do both upper and lower ball joints on both sides while I am working in there. If there is anything else I should inspect (Truck has a little under 100K), let me know. Thanks!
     
  5. Karlsweg

    Karlsweg Senior Member

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    Uppers you have to buy whole control arm with balljoint lowers the ball joint is serviceable.
     
  6. Karlsweg

    Karlsweg Senior Member

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    Sway bar links, inner and outer tie rod ends.
     
  7. KyleW2

    KyleW2 Senior Member

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    Thanks, inner and outer tie rod ends were replaced under a year ago. I'm going to replace the sway bar links while I am in there
     
  8. KyleW2

    KyleW2 Senior Member

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    Okay so I ordered the following:
    Both upper control arms, lower ball joints and sway bar links. All are moog.
    While ordering I read reviews and it mentioned to tighten down the control arm bushing bolts with the control arm under weight/parallel to the ground. Does this mean I need to leave them loose until i lower the truck and tighten them with the tire on the ground? Not sure how that is even possible to get access. Or do I just hold the control arm level while i tighten it?
     
  9. KyleW2

    KyleW2 Senior Member

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    New U joints for the drive shaft are on the way and replaced ball joints yesterday. Not real sure how the lower ball joint is considered removeable. There was no snap ring or anything and it appeared that the ball joint was permenantly attached. Pulled the lower control arm completely off the truck to use a press or to be able to grind on it if we needed to, no luck whatsoever. Every video I watched said that there is a snap ring holding it in, not the case on that side. Any tips on how to get that out for future knowledge in case I ever run into that again? Ended up just buying a new lower control arm to match the other side that had been replaced before.
     
  10. Karlsweg

    Karlsweg Senior Member

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    Factory ones didn’t have a snap ring. The b joint has 3 “wings coming off of it on the top. Knock them in with a chisel and the b joint presses out of the bottom of the control arm. I just did this 3 days ago without removing the lower control arm. Used a ball joint press. Make sure the receiving tub is a larger diameter then the ball joint! They push fairly easy out.
     

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