New FD Owner Gloucestershire

[Doz_FD3S]

Thanks Jit, good advice. I'll give it a check!

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[Jit]

I've heard of new boxes not working properly from more than one source. The main problem I heard was stuck solenoids.

[Doz_FD3S]

Yeah good shout I've got a power probe so can energise them and make sure they're working

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[Doz_FD3S]

Been doing some more testing. Can confirm every solenoid works apart from the purge control valve for the carbon canister, which wouldn't give a boost problem. New one ordered anyhow to make it right.

Double checked all the turbo actuators and ensured they move freely and have the c-clips in place etc.

Double checked pressure and vacuum tanks etc etc.

Now I've just double checked the charge control valve and it would appear that if I close the valve manually (rod in) and hold my thumb over port B, it doesn't hold vacuum and re-opens. Port A with the same test keeps the rod in.

Exactly like in this YouTube vid I found:

https://youtu.be/AlTGf7ND2hE

Could this be my issue? I'd have thought that each side of the diaphragm in that valve should should vacuum/pressure given that it works on the principle that the spring activates the valve when the pressure in in the chambers is equal?!

Will scan the for sale adds & eBay to see if I can get a replacement, unless someone with more knowledge and experience tells me this is normal?!


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[boosted]

Ive just been out to my garage and tested my spare 1...and holds shut when you blank the rear port...and the front...welcome to try it if i pop it in the post tomoz...
Ill need your address...you cant pm unless a full member so pop it up here ill get then edit out.

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[Doz_FD3S]

That would be awesome!



Pop your PayPal in there too when you send it I'll gladly cover postage and pay the going rate for the part!


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[boosted]

I got address...so edited out..
Ill pop in post 24 hr tomoz.
Postage etc...
Work summit out once you got it...lol part of me duff turbos been lying on garage floor for a year +


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[Doz_FD3S]

nice one I'll let you know once I've got it

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[Casey]

Well done Jon 

Been watching this thread with interest, but with zero knowledge to be able to assist 

Hoping to hear of a positive result at some point; impressed by the logical troubleshooting so far - even if haven't got a clue, it sounds good!

[boosted]

Hopefully fits and not revisions changes...
Looks like piccys.
Yeah fingers crossed...when you try go steady...all hell n fury will rumble when 2nd tubby comes on line...


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[Doz_FD3S]

Cheers guys, yeah I think the rear half with the valve is the same but the front half changes to remove the rubber joiner by the looks of it.

I try to remain methodical, I'm an automotive engineer by trade so you'd hope so Ha!

Yeah hopefully this will be it. Atleast I've replaced all the hoses and tested everything in the process. Will be glad to experience that 2nd turbo!

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[boosted]

If there is a subtle difference in flange or summit...feel free to swap the actuator.

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[boosted]

Posted Special Delivery  should be with you tomoz.....AF227993138GB....
good excuse to go along PO and get a nice sausage and bacon bap...yum yum..

[Doz_FD3S]

Cheers nice one

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[neil_jdmr]

 Just to confirm the cca does indeed need pressure and vacuum to operate correctly.  Anymore than 0.8bar will cause very slow primary boost due to the vacuum taking so much longer to equalise.

Also with low primary boost this makes the secondary system act up due to the pressure chamber not getting the required pressure.

Quick question, do you have a 99 y pipe?