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They all do it.

Ive been wondering wtf tht noise was on mines🤦🏾‍♂️thanks for the vid🫡

did you fix the cat issue???

Test pipes that mf

Where’s the link ?

I fuckin hate it when the Video actually is the same as my concern 😢

Fawk

Same here on my 2014 q50s , but I’m completely ignoring it 😂

California yeah they stick it to us man it’s really true… I was looking for a catalytic converters aftermarket and you cannot get EPA in California for some stupid reason… need to have some kind of California emissions certification or some crazy thing like that…

For me, it was a loose vaccum pump and once my mechanic took a look and made sure the connection was tight. it went away

I got a hammer and smashed it in and it went away

Will bad cats make a ticking noise coming from the engine?

Will this cause the car to lose power or sound like it's misfiring??

Does the rattling stop when you push in the clutch?

Yup mined is a 2008 ex35 (vq35hr)and sure enough the connector peice one day while heat was on sent a puff of smoke from right side up under my hood, did it twice then went away as i was in motion, turned heat off immediately, long story short 2 weeks later due to leak always drying before i can find it, parked it on a hill turned heat on and BAM leaking at connector, baught extra hoses and things but literally only connector peice literally snapped in half and was brittle and broke apart as i was taking it apart..... took a good hour to 2 to do so cause i shouldve purchased long needle nose pliers.....but yea problem fixed!

Just finished doing this. Unfortunately some of the old cracked plastic coupler fell down the pipe. Do you know if that is something i should be concerned about? thanks.

My car is doing the same thing. I’m glad it’s not the motor

Myn does this only after I let off the gas is it same problem

Does it sound like that all the time?. MY is on and off when it cold it rattles

I just changed this plastic connector on a 2013 G37 for an aluminum one with a bleeder. I used a Dorman 47291 connector that is easily available. If you are just replacing this connector you don't need to drain anything. Obviously wait until the car is cold then simply plug the coolant filler so no air can get in. You can't use the regular cap for this because it will vent air or coolant from the plastic reservoir back into the system once you open the system and you will then be dealing with a gusher. Put an old towel under the connector as you won't lose any more than a few ounces of coolant at most. I was able to do this without too much cursing by removing just the engine cover. Once replaced I opened the bleeder and very slightly unseated the plug on the coolant filler and the bleeder instantly filled with coolant. I then put on a burping funnel but really didn't need it as so very little coolant was lost and the bleeder worked like a charm.

Wouldn’t it be better to drill it in

Did you install the back up camera

Mines is doing the same thing I hope it don’t cost to much to fix

My M37 has a very similar rattle. Did you have any engine codes BTW? My mechanic said that the check engine light should be on if your Catalytic converter is falling apart 🤔

so what did you ended up doing because my car is making that same noise but my cats look really rusty and pieces are out

My mercedes front drive shaft broke and smacked into the passenger catalytic converter and now my car has almost the same sound.

milo bro i know it my g 35 07 is doing the same thing i know that was the issue cause when i scan my car it told me that was the issue

My car is making the exact same noise. And I was Taking it to the shop this week to get it checked. Thanks

That sounds just like mine what did you pay?

Anyone looking for a solution , I had the same thing happen to me , so basically the inside of the cat is broken and someone can take the piece that’s inside of it so it won’t rattle no more but the catch is that your gonna have a check engine light until you replace the cats but nothing at all is wrong with the car

Do you have to drain the coolant first?

Your buggin for getting a g at a dealer ship, I get all of them used, less issues when you get them from a middle aged white man

How did you remove the noise??

I have a 2007 g35s and it makes the same noise my catalytic converters shakes as well but the car moves very sluggish and drives awful any tips?

Sheeshhhh that bish knocking 😬

Thank you for this FYI for VQ people. I had no idea this is a known issue. I am in the middle of replacing my thermostat, hoses and coolant. I will be certain to get the aluminum connector! See link below. 2010 G37s coupe: 71,000 orig miles.

The honey comb mesh piece is a thin sheet that comes loose, u can tack weld it on each side while holding it up straight with a pair of pliers , easy fix actually for a honest mechanic

Also mine sounds like that but I'm getting a random misfire do you think it might be because my cats are messed up and it sounds like it's coming from the passenger side I had a misfire in cylinder 3 replace the coil pack that's gone now but still have the random misfire if anybody can help that would be much appreciated

All you do is get some high-flow cats and put them inside the old catalytic converter and make him look stock I've seen that a lot

Yup just got the call from the stealership that I have the se sound/ issue $2100. It just passed emissions as well. 89k miles.

Bro I literally got the same problem right now Did you get to fixed it bro?

Did u feel it in yo seat was it vibrating

Can you remove the oem spoiler and just have this one on by it’s self ?

What happens if it keeps overheating? I didnt do the flush just added coolant

My g37s 4door makes a similar sound not exact a lot of these comments really help !!!

♥️

Can hfcs pass smog?

What are the hoses called

How’s the spoiler holding up and do you happen to know the total length from corner to corner

This means a part broke off in your cats this can be a problem because it can start building up to much fuel in your exhaust which can lead to a lot of problems fixing this costs a lot of money so take off your converter and hollow that bitch out easiest fix.