Exhaust Valve Control Mod (how to)

Thanks Steve.

I guess you are Steve Bisel, based on your first name and your choice of first post?
 
I don’t suppose there is any way to keep the soft suspension setting with the exhaust valves open AND the sport engine setting?
 
Amendment to the OP

There are two solinoid valves one at the front and one on the rear subframe beam

it’s the rear one you need to wire too not the front one as pictured. It works initially but then stops responding.

you need to run the wires down the NS of the car and cable tie them to the brake pipes then route securely up over to the rear solinoid, not the front one.

An auto you can see and access it easily but on an MC shift you need to remove the OSR exhaust box.
 
conaero said:
Amendment to the OP

There are two solinoid valves one at the front and one on the rear subframe beam

it’s the rear one you need to wire too not the front one as pictured. It works initially but then stops responding.

you need to run the wires down the NS of the car and cable tie them to the brake pipes then route securely up over to the rear solinoid, not the front one.

An auto you can see and access it easily but on an MC shift you need to remove the OSR exhaust box.
Click to expand...
I am going to fit my controller in the boot and wire to the rear solenoid that way.
 
Gazcw said:
I am going to fit my controller in the boot and wire to the rear solenoid that way.
Click to expand...
Makes sense if you can find a way through the boot floor. There is a grommet where the battery vent is that could work

oh, and make sure you piggyback a fuse that comes on with ignition and is not switchable like the Aircon…I went there and gave me plenty of head scratching.
 
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conaero said:
Makes sense if you can find a way through the boot floor. There is a grommet where the battery vent is that could work

oh, and make sure you piggyback a fuse that comes on with ignition and is not switchable like the Aircon…I went there and gave me plenty of head scratching.
Click to expand...
That's the plan or put another grommet in. Piggybacks ready. Does the solenoid plug carry a pos and neg? I plan to direct the power feed from front (ecu) to relay box and back.
 
Earths to the chassis from memory

if there is a second earth wire that runs back you can simply do as above to simplify it
 
I have just added a Levante Trofeo to the collection. Has anyone carried this out on one? I am assuming install pretty identical to the one I carried out on my GT? Just need to locate the relevant pipe.
 
I would like to have also a loud exhaust with the shocks in comfort. Sportsmode is to harsh...

Since there is already a solenoid from factory: Couldn´t these one been used? Or will there be a check engine line on, if the logic of opening and closing the flaps is not that way the ECU is expecting it?
 
Maserlove said:
I would like to have also a loud exhaust with the shocks in comfort. Sportsmode is to harsh...

Since there is already a solenoid from factory: Couldn´t these one been used? Or will there be a check engine line on, if the logic of opening and closing the flaps is not that way the ECU is expecting it?
Click to expand...

Well it might depend on what car, but I really doubt it. The ECU isn't likely to have a feedback loop. It's just putting a variable voltage out to the solenoid. If you just hit the solenoid with 12v, the valves will open. But that does put you in the situation with valves fully open when pulling away from standstill.

C
 
It´s a Grancabrio.

Exhaustflaps are also fully open from standstill with the gearbox in manual and sportmode active, aren´t they? Also this is the goal with the remote controlled switch in the #1 post?

Or is there any difference?
 
The valves work on vacuum from the engine. No vacuum = loud. So that’s why they all start loud. If you disconnect them, they are always loud, or add a solenoid with a seperate control, as per this thread.
 
Clear.

But when is the vacuum going through the solenoid? With 12v present or not?

I would like to control the solenoid directly with a (bluetooth) relay? One Position original circuit with original behavior of the valves and the other position would cut the voltage or apply permanent 12v to the solenoid=valves open.
 
Maserlove said:
Clear.

But when is the vacuum going through the solenoid? With 12v present or not?

I would like to control the solenoid directly with a (bluetooth) relay? One Position original circuit with original behavior of the valves and the other position would cut the voltage or apply permanent 12v to the solenoid=valves open.
Click to expand...

I want to say the solenoid valve should be open at 12v. But without crawling around with a multimeter, I can't actually be sure.


C
 
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