Clicking / knocking sound at WOT

[APR1]

I gave my car the beans earlier today and heard a clicking / knocking sound in the back of the car. It was knocking pretty fast until I let off. I tried to replicate it by going WOT again, but it wasn't happening. Any idea what it could be?

 

[Finglonga]

At the back? Exhaust mounts all ok underneath?

 

[Schu]

Possible spun bearing... unless you're talking about pinging knocking from bad fuel.

 

[APR1]

I did a visual inspection and everything seemed fine. How do I check the bearings?

 

[Gawernator]

Take a video

 

[APR1]

Take a video

i tried to replicate it right after and it wasn't happening, i'll try again after work.

 

[KevinC]

Back of the car? Might be a fuel pump issue.

 

[APR1]

Back of the car? Might be a fuel pump issue.

it wasn't very loud, but very rapid. definitely didn't sound like it was coming from the front.

 

[KevinC]

it wasn't very loud, but very rapid. definitely didn't sound like it was coming from the front.

Now I really think it was the fuel pump.

 

[Gawernator]

Is the fuel pump in the tank? Could be ticking like others said

 

[APR1]

if it is the fuel pump, is that normal?

 

[Gawernator]

I can never hear mine. So probably not. I've heard fuel pumps on other vehicles though

 

[kgmm/sss]

ABS pump? Stone in disc guard?

 

[JLgti]

Mine does too.. but when I switch my tune to non high torque file it goes away.


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[JerseyDrew77]

Stone in disc guard?

I was going to say might be a stone in the tire.