Another boost issue

[M.B-glanza]

Hello guys. Just a quicky.. And go easy on me im a noob to turbos so what what be obvious to some is really not to me lol.. anyways My cars only been making 0.6-0.7 bar of boost tops, and im almost certain it was at 0.8 before. im just wondering what the cause could be other than an obvious boost leak? In 3rd and 4th gear i even see the gauge drop to 0.5 when i have my foot to the floor.. It feels really laggy too.

Only thing I've recently done is change the pads. I mean dont get me wrong other than this car runs great.

Any info is appreciated.

Mark,

[StuDoc 72]

What kind of set up do u have?

What actuator and intercooler do you have fitted?

Edited June 12, 2013 by StuDoc 72

[Fizturbo]

Dependin on set up it sounds like a weak actuator or if usin a boost controller then a faulty solonoid,also check the intercooler and boost pipes for leaks

[Fizturbo]

Ah you said pads, caliper aint stickin is it?

[M.B-glanza]

The intercooler thats fitted is hdi front mounted and as for the actuator as far as im aware its standard. Im not using a boost controller aswel fellas.

Mark,

[M.B-glanza]

We did have an issue with a tight bolt that was eventually rounded off at the top of the calliper the inside pads were both down to the metal and the outsides were like new? Im aware ill be having to get new bolts but didnt think this would affect the boost :/ maybe this is the issue?

[Fisher]

Hello guys. Just a quicky.. And go easy on me im a noob to turbos so what what be obvious to some is really not to me lol.. anyways My cars only been making 0.6-0.7 bar of boost tops, and im almost certain it was at 0.8 before. im just wondering what the cause could be other than an obvious boost leak? In 3rd and 4th gear i even see the gauge drop to 0.5 when i have my foot to the floor.. It feels really laggy too.

Only thing I've recently done is change the pads. I mean dont get me wrong other than this car runs great.

Any info is appreciated.

Mark,

I had the same thing mate grab a HKS adjustable actuator and set it at around 0.8 it will take a couple or trys to keep of fuel cut depending how your set up that's solved my problem do also check all boost pipes and clamps

Ah you said pads, caliper aint stickin is it?

doubt sticky breaks would cause aboost problem though just a thought

[Liam_D]

Brakes wouldn't cause any issue with the turbo mate

Sounds like boost is dropping off, potentially a weak actuator or boost leak? Could even have slight thrust play in the turbocharger causing it to leak on boost. Is there any smoke at all?

[Fizturbo]

Ah we knw that cause i already suggested the actuater in 1st post,i said brakes cause he said thats all he had done on car,brakes stuck wouldnt help at all.

[M.B-glanza]

Broony (from here) is going to check it over for me wich is great of him to do so.

Hopefully i can get to te bottom of it and buy what i need.. I hope its not the turbo.. All the replies are very helpful fellas. I do realise that breaks wont cause any turbo issues but like I've said its the only thing I've done diffrently in the past week so it was worth a mention.

Mark.