+ Reply to Thread
Results 1 to 10 of 10

Thread: boost leaks?

  1. #1
    VXRed
    Join Date
    21st June 2016
    Posts
    187

    Default boost leaks?

    mine has an intermittent (getting worse) boost leak, what exactly do i need to be checking? iv had the 2 piece flexi pipe from maf to turbo apart and thats fine

  2. #2
    Are you VXR enough? Jon1796's Avatar
    Join Date
    24th August 2015
    Posts
    978

    Default boost leaks?

    What about boost solenoid. I know it's not the same lump.

    http://www.astraownersnetwork.co.uk/.../t-152418.html


    Sent from my iPad using Tapatalk

  3. #3
    VXRed blooded
    Join Date
    11th July 2014
    Posts
    342

    Default

    I think a smoke test is normally recommended for a boost leak.

  4. #4
    Are you VXR enough? Jon1796's Avatar
    Join Date
    24th August 2015
    Posts
    978

    Default

    Smoke yes agree but if it’s intermittent I’d think more like a dodge sticking valve a leak in one of the pipes would be constant.


    Sent from my iPhone using Tapatalk

  5. #5
    VXRed blooded Finn67's Avatar
    Join Date
    4th November 2012
    Posts
    302

    Default

    Are you certain it's a boost leak? What are the driving symptoms? Jon the leak 'might' not be constant you know, consistent but not always constant, the expansion and retraction of metals etc could cause an intermittent and if say there was the beginning of a pipe fracture, the engine pulling back may be enough (for the moment) to open a hole on hard acceleration but maybe not quite on lower.


    I had one of the pipes at the rear at it's connector cause an intermittent boost problem, it just hadn't 'clicked', at steady acceleration it was fine but if I wanted more from her, it was causing a boost issue.


    Thankfully found the problem straight away at the time lol.
    Last edited by Finn67; 12th December 2017 at 07:32 PM. Reason: added info

  6. #6
    VXRed blooded Finn67's Avatar
    Join Date
    4th November 2012
    Posts
    302

    Default

    Gaspode what about the MAF sensor itself? Have you cleaned it? You could do with a scan really

  7. #7
    VXRed
    Join Date
    21st June 2016
    Posts
    187

    Default

    no im not sure its a boost leak thats part of the problem lol , swapped maf and it made no difference

  8. #8
    VXR enough V6spike's Avatar
    Join Date
    18th May 2013
    Posts
    1,713

    Default

    Likely a leak. Check check and check the pipe work. Then get a smoke test. I got mine done by wayside performance. Then get the actuator pressure tested.

    Then by process I’d swap out the MAP sensor (on the intake from the throttle body)

    There are other things to check and I’m sure @dog_book will shed some light.


    Sent from my iPhone using Tapatalk
    '55' Sapphire Black VXR Estate. Eibach Prosport all round, remapped by Rabbid.

  9. #9
    VXRed blooded Finn67's Avatar
    Join Date
    4th November 2012
    Posts
    302

    Default

    Keep us posted on any outcome Gaspode as other members will get a hit on this thread when searching a similar problem, often the outcome isn't posted and it can be a little frustrating...
    Hope it's a cheap fix all the same

  10. #10
    VXRed
    Join Date
    21st June 2016
    Posts
    187

    Default

    iv chaNGED THE MAP AND THE 2 SESNORS NEXT TO EACHOTHER (boost control and i cant remembver the other) also changed the actuator lol
    on a plus point i think a new expansion tank cap has fixed my water leak

+ Reply to Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts