Technical Turbo boost vacuum solenoid mount direction

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Technical Turbo boost vacuum solenoid mount direction

Valleman

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Hi
After some troubleshooting I think I have issues with the vacuum hoses bending as they do a 180 degrees turn on my turbo boost solenoid.
I recently replaced the solenoid with the picture when I saw that the hoses was bent (even more than attached picture which is not mine)

The hose direction is downwards but the connections points upwards.
I guess it's not possible to mount the solenoid upside down...or is it? I guess the filter/drainage needs to points downwards.

But maybe lower the whole mounting position further down or completely move the position. Or maybe find hoses with hard 180 degrees bends from factory. Or some support for the hoses. Or maybe change to other type of hose, silicone or thicker/siffer hose?

Anyone with similar issue or ideas how to solve this? Looks like over time the vacuum hos could tend to bend and close flow/vacuum for everyone with factory installation.
 
Model
Multijet 150
Year
2012

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Last edited:
Hi
After some troubleshooting I think I have issues with the vacuum hoses bending as they do a 180 degrees turn on my turbo boost solenoid.
I recently replaced the solenoid with the picture when I saw that the hoses was bent (even more than attached picture which is not mine)

The hose direction is downwards but the connections points upwards.
I guess it's not possible to mount the solenoid upside down...or is it? I guess the filter/drainage needs to points downwards.

But maybe lower the whole mounting position further down or completely move the position. Or maybe find hoses with hard 180 degrees bends from factory. Or some support for the hoses. Or maybe change to other type of hose, silicone or thicker/siffer hose?

Anyone with similar issue or ideas how to solve this? Looks like over time the vacuum hos could tend to bend and close flow/vacuum for everyone with factory installation.
I was hoping to give you an idea from my 1.6 Fiat Doblo, but I see it only has two pipes, sorry.
 

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I was hoping to give you an idea from my 1.6 Fiat Doblo, but I see it only has two pipes, sorry.
Hi! Thanks for the reply. I borrowed the picture where it was mounted on the vehicle, my solenoid looks exactly like yours with 2 connections only.
Is that Doblo original mounted solution? Because my questions was if it's possible to actually mount the solenoid this way. Upside-down.
But I still thought the part inte the picture I've attached was some sort of drainage with filter that needed to points downwards. (Show in picture what part i meant)

But if it's works the way the Doblo is done the I'll just turn the solenoid.
 

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Hi! Thanks for the reply. I borrowed the picture where it was mounted on the vehicle, my solenoid looks exactly like yours with 2 connections only.
Is that Doblo original mounted solution? Because my questions was if it's possible to actually mount the solenoid this way. Upside-down.
But I still thought the part inte the picture I've attached was some sort of drainage with filter that needed to points downwards. (Show in picture what part i meant)

But if it's works the way the Doblo is done the I'll just turn the solenoid.
Mine is totally original, I have the same age one as a scrapper for spares that is in identical position.
I think it is a breather filter rather than a drain so that when vacuum actuates it isn't held back by a sealed back so stopping actuator from working.
If the breather was blocked it would stop the solenoid valve from moving correctly.
 
As my 2.8jtd does not have EGR, a vacuum proportional valve is not fitted, but as I have them on another vehicle, I decided to investigate.
An extract from x244 eLearn is attached, It appears that the open connection is an air inlet rather than a drain. So the valve could be inverted, but may I suggest making sure that the inlet is kept clear.
 

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