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Old 17-05-18, 10:02 PM   #1
Junior Member
Join Date: May 2018
Location: Luton
Posts: 3
Default Learning the 207 THP problems quickly!

Dunno if i'm happy or not that we bought a 207 THP for the missus a couple of months ago... nice car... very nippy... lovely drive... until the dreaded turbo-related issues!

Due to loss of power I looked under the bonnet and discovered the Oil Feed Pipe was knackered at the crimp on the banjo joint and so thanks to one thread, I sourced a performance one from Matt Lewis racing and fitted it today - yes what a pain and yes, I should have took the front off and drained coolant etc... but i didn't :-S

...so, alot of swearing later, I finally did it and after letting it run up to temp we took it for a little drive and although we initially had some power back, it quickly died down to N/Asp. No leaks anyway, but my generic (sorry) Autel Diag machine reported the P0299 code so I then discovered another thread, and just had to check out the BOV first, as suggested by ADS77 and others

Not sure I can post pics just yet but Diaphragm - split in 2 places, and the plastic ring that guides the diaphragm was completely torn in half and stuck inside the turbo housing :-S Managed to pull (what seems to be all of it) out

I need to say a big thanks to the knowledge providers and had to sign up. Maybe i'll help someone else too

Hopefully I can get a new BOV from Hartwell Ford in Dunstable tomorrow or over the w/end and will fit and report back then

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Old 25-05-18, 08:00 PM   #2
Junior Member
Join Date: May 2018
Location: Luton
Posts: 3

...well sorry for the late update but;

H-Ford and others wanted almost 150 squid for a new BOV/Diverter/Solenoid Discharge/Dump/etc... etc... valve but ended up getting one off FleaBay for 50 which seems good quality...

...fitted it and hey presto, no fault codes, all is good and turbo working again BUT (always is hey), it's not as lively as it first was, so when i get more time I will need to look further

I'm hoping there's no damage to the turbo itself after the feed pipe split and so will look at the other things first

Does someone please have a good clear diagram of the turbo and components clearly labelled as i have some questionable parts, including perhaps checking the electrovalve

In particular though, the spring-loaded part just inside where the downpipe fits at the turbo itself. Just inside there, that part raised my eyebrows as it seemed a bit slack and although the spring-loaded exterior part of it seemed to still spring back, it just didn't seem right to me. Please excuse my lack of knowledge here but could really do with some help and a bit of an explanation as to what that is

As i say, all working again, but the front end of the car doesn't lift like it did !!

All help is greatly received, so thanks in advance

Apologies for any lateness in reply due to work commitments etc...

Thanks alot
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