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Clicking/knocking noise in engine


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Posted

Bought a used 2015 suburban ltz. Today I noticed a clicking / knocking noise when I was standing near driver tire. Bend down near tire and it’s louder. My husbands at work, and will assess when he gets home, but thought I’d look into some online forums and see if I could make some leeway. Anyone know what this could be? I’m trying to attach a video I took. I popped the hood and videoed and videos down by tires. Not sure if any of that will help. 

  • 1 month later...
Posted
On 5/20/2018 at 12:17 PM, Malloryw said:

Here’s the video 

 

 

Direct injection is very noisy, compared to a normal fuel injection system. If you have a collapsed lifter or something stuck, you will have a very rough idle and probably see the CEL soon. If the engine is smooth at idle and at exceleration you should be fine. Go to a dealership and listen to another Suburban for comparison. 

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