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TECHNICAL ISSUES => Renault 5 GT Turbo => Topic started by: pdapaul on 22:12, Sun 22 September 2013

Title: Boost off the gauge ...HHEELLPPP!!!
Post by: pdapaul on 22:12, Sun 22 September 2013

Hi all,
Just purchased an 88 gtt to do up but have an issue with the boost. In every gear but first when it comes on boost the needle flys off the gauge and there's what sounds like a massive backfire. I've checked the actuator and the arm moves quite freely. I would be grateful for any advice.

Cheers
Paul

Title: Re: Boost off the gauge ...HHEELLPPP!!!
Post by: scratcher on 21:01, Thu 26 September 2013

Does the actuator move when you wiggle it or on boost?
Do you have a bleed valve fitted or a split in the line from the manifold to the actuator? If not, it sounds like the actuator has given up.
You can test it with an old valve and pump over the front port.