 | Home > My Defender > ‘Coughing’ from air intake?! |
 
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| Guinness Member Since: 04 Mar 2021 Location: Scotland Posts: 53  
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maybe post it to youtube then share the link? Thats how i have seen others do it in the past
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5th Aug 2022 1:12pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240 
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That sounds very similar to a problem that I had, which was eventually resolved by replacing the turbo actuator. I described the sound as similar to a dump valve on a hot hatch. You can read the details here:
https://www.defender2.net/forum/post853115.html#853115 Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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5th Aug 2022 1:13pm |
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| Tom82 Member Since: 05 Aug 2022 Location: Hampshire Posts: 6  
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I have tried putting to old actuator on the new turbo and it’s still the same… Aldo I drove without the bonnet on to see what is happening with the actuator but it doesn’t seem to be moving when the sound comes….
Maybe the remap is causing issues with the new turbo 🤷🏻♂️ |
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5th Aug 2022 1:25pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240
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All I can say is that there were no obvious faults with the old actuator but replacing it with a new one cured the problem. There were no faults logged, either.
I can't see how a map would create the problem, I'm afraid. Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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5th Aug 2022 1:31pm |
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| Tom82 Member Since: 05 Aug 2022 Location: Hampshire Posts: 6
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Sorry. I didn’t see my other post had been added 🙈
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5th Aug 2022 1:51pm |
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| Tom82 Member Since: 05 Aug 2022 Location: Hampshire Posts: 6
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Hmmm.
Maybe if it’s doing it for both actuators it could be the wiring at fault to the actuator 🤔 |
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5th Aug 2022 1:53pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 1760
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Did you fit an upgraded intercooler such as a BAS IC ?
Since I fitted a BAS IC I don’t get any hesitation but do get a bit of a brief induction roar from the side air intake during light acceleration, such as exiting a mini roundabout. |
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5th Aug 2022 5:36pm |
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| Tom82 Member Since: 05 Aug 2022 Location: Hampshire Posts: 6
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I did put a bigger intercooler in yes, but I can’t see how that could be making a noise like back pressure.
I am thinking that the turbo has not been set up properly ( it’s a reconditioned one) and that is why it’s making the noise with both actuators. |
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11th Aug 2022 6:49am |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11240
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A bigger intercooler shouldn't make any difference. I have one fitted to mine without any other changes.
I missed your earlier post and didn't realise that you'd actually tried two different actuators. On that basis, I'd be inspecting the wiring to it looking for any damage to the insulation. You may have to unwrap it from a loom to do so. Whilst I appreciate that it's a different component, I found this damage to my MAF sensor wiring, which just appeared to be from vibration and yours could be something similar:  Click image to enlarge Darren 110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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11th Aug 2022 8:28am |
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| Scotm Member Since: 28 Feb 2014 Location: Aberdeenshire Posts: 640  
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I had similar wiring issue on my 2.2 turbo actuator and MAF connectors, luckily not causing any problem but bought new connectors with flyleads from Martin and got an auto electrician to splice them in.
Click image to enlarge Click image to enlarge |
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11th Aug 2022 11:39am |
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| Tom82 Member Since: 05 Aug 2022 Location: Hampshire Posts: 6
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Ok. Thanks, I’m on holiday from tomorrow but will take a look when I get back and post results!
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11th Aug 2022 6:18pm |
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