Good morning !
Im at the dealership and the mechanic found my active exhaust pump was disconnected from the hose leading to the valve. ( open quad exhaust full time ). I am not complaining as I drive it in Dynamic only anyway.

The mechanic reports my pump is “worn out” as it running constantly due to hose being disconnected. I asked him about the TSB on the bypass the electric pump which he wasn’t familiar with, he’s looking into it.

Question: can the pump electric plug just be disconnect to shut off the pump?
if so, will it throw a code? And if shut off does it stay in open quad exhaust mode?

one more question: is their a fuse I can pull to shut off the pump VS disconnecting the plug on the pump and just leave it all there? And allow it to always be open exhaust !

 

Ok I’m back..... I educated the tech on the TSB which He didn’t know about and after checking said they have the parts if I want to do it, or they will call my Zurich warranty Company and see if a new pump is covered, they will call me later with Zurich results.

I was advised after Tech reviewed Things...

1. I can disconnect the electrical connector at the vacuum pump and tape the connected = full time open active exhaust - yay

2. Their is No dedicated fuse to pull for vacuum pump, as the pump works through other systems in vehicle.

 

Pulling fuse F43 should work - I’ve done it on my ‘14.

 

Yep, same here (on my MY 2015 V6S).
Put the exhaust in permanent "loud" mode and didn't effect anything else in any way.
I put the fuse back in a week or so ago coz the drone going up (as in steep up hill) the SE Freeway was too much!

 

That’s why I added a wireless relay to my F43 - valves are squeaky, and can’t see paying for a new muffler. (Don’t have switchable active exhaust.)

The website doesn’t list the F-type version of the one with ‘memory’ but that’s what I have.
https://www.cccharger.co.uk/on-site-...st-remote-unit

 

I have fitted straight through pipes on my 2018 and just pulled of the vacum pipe and stuffed it, I tried removing the fuse but car went to limp mode, fuse went back in promptly, hose is tied up out of the way

Tp10XKR can you take a pic of the electrical connector you removed and its location, thanks

 

Fuse only works with cars that have vacuum pumps - ‘14, ‘15 and I don’t remember about ‘16. After that, they ran a vacuum line from the engine.

 

Your correct , just did a bit of the old googling there , and yes on newer models the pump is no longer fitted as they source the Vacuum straight from the engine thats why when I pulled the fuse the car went into low power mode, even with the tube blocked it still will have a release valve somewhere to make the valve return to first position so there should be no issues either way but on older models you can disconnect the wire or remove the fuse,

 

‘16 had no pump.

 

Thank you for the input and quick responses. After driving my car with the vacuum line reconnected for a couple days I have learned several things:
1. You my friends are smarter then the advisers and technicians at the dealership.
2. My “worn out pump” is working just fine now that it’s reconnected
3. I don’t enjoy driving the car as much when the exhaust is quieted down.
4. I love driving my car when the exhaust is LOUD. But I already knew that. Lol

Thank you

 

I'm very sorry to be bringing up such an old thread - but my '16 R appears to have the pump. It's the small black box above the driver side rear wheel, right? The vacuum lines run from the front of the car to that box, and then from the box to the exhaust.

The reason I'm clarifying is because I'm currently in a fight with my dealership trying to rid my R of a whirring/fluttering sound from my left rear, and I'm now in Desperation Diagnosis Mode so I can tell them what is wrong and how to fix it before my warranty runs in January.

 

Here’s what active exhaust with the electric vacuum pump looks like…
https://www.dropbox.com/s/szc3vze5ol...haust.pdf?dl=0

You shouldn’t have both a vacuum pump and lines coming back from the engine. I would think you’d have just a vacuum solenoid. Unless your car was retrofitted with the engine lines (there was a TSB for that) and they didn’t remove the pump. If you have the electric vacuum pump, it should be powered by fuse F43 - removing that should kill the pump.

 

That rather depends on which side the driver sits.

 

Hm. I'll have to take a closer look, as I wouldn't know the difference between a pump and a solenoid by visual alone (I'm learning as I go with this). I did remove F43 last week, and could hear zero difference whatsoever - it seemed to have no effect at all, and the active exhaust button worked as it normally does without the fuse. I considered the idea that possibly they retrofitted it with the engine lines, but again, wouldn't know how to figure this out visually...but now you've given me something to compare it to, so thank you.

Valid point! On the left, in the US.

 

Hey,
did you succeed in solving the issue with the pump? Mine is a 2016 as well, and I think I am facing the same issue. Valves don't close, so I suspect the pump or the solenoid. F43 is good, active exhaust button works (enlightens and can be turned off), sprayed a lot of Tevlon at the valves already, but valves stay open.
Chris

 

If you were meaning to ask me and not the OP, the answer is "no". I'm still trying to figure out out. Discovered this week that the noise is definitely affected by minimal throttle input...it goes away when I touch the throttle, but comes right back when my foot's off the gas. I'm still at a loss.