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Author c20let wiring help
john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
12th Mar 09 at 17:08   View User's Profile U2U Member Reply With Quote
looks liek a missing a few pipes such as oil retrun.

the dude who took it out of the cav removed eveything from the engine so was just left with the bear engine.
and everything else separetly,
so its hard to try and put everything together when i didnt take them apart
Luke
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Registered: 9th Dec 05
Location: Oxford Drives:Corsa B C20LET
User status: Offline
12th Mar 09 at 17:10   View User's Profile U2U Member Reply With Quote
oil return from the turbo to the oil return on the block? Mine was missing £33 from vauxhall.

Keep studying that diagram, it will make so much sence mate.
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
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12th Mar 09 at 17:14   View User's Profile U2U Member Reply With Quote
what does number 6 do?

and you see where its conecter at number 4 i have a small bit of tube with a bolt in the end of it! does this matter thats its not connected?
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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12th Mar 09 at 18:04   View User's Profile U2U Member Reply With Quote
number 6 is hot start valve. dont pipe it up but leave it plugged in.

number 4 is the std dump valve in the turbo. if its had say a bailey fitted, that just gets blocked off. should have a small spacer ring inside there to stop the diaphram of the std dump valve opening and closing.
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
12th Mar 09 at 18:09   View User's Profile U2U Member Reply With Quote
oh right tthat cool, so dont plum in the hot start valve cheers for the help
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
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12th Mar 09 at 18:22   View User's Profile U2U Member Reply With Quote
yeah its irrelevant and can cause bad running actually.
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
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12th Mar 09 at 19:13   View User's Profile U2U Member Reply With Quote
ok kool cheers
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
13th Mar 09 at 00:20   View User's Profile U2U Member Reply With Quote
just a quik one.... what is number 8 in the pics and what is number 2 in the pics and what does it do? cheers
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
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13th Mar 09 at 12:49   View User's Profile U2U Member Reply With Quote
???
luke85
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Registered: 26th Nov 07
Location: Chesterfield
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13th Mar 09 at 17:24   View User's Profile U2U Member Reply With Quote
8 is the Charcoal cannister (behind the drivers side wing) and 2 is the fuel tank vent valve.

You shoul have a pipe coming from the bottom of the car at the drivers side, fairly small OD and plastic IIRC, that just goes to the fuel tank vent valve
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
13th Mar 09 at 17:43   View User's Profile U2U Member Reply With Quote
oh dont reli need them then lol
luke85
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Registered: 26th Nov 07
Location: Chesterfield
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13th Mar 09 at 18:00   View User's Profile U2U Member Reply With Quote
You need the fuel tank vent valve of you will have the engine light on all the time. Some people dont bother plumbing them in but I never really figured out why, its so easy to do and its not like it saves you any weight
Nic Barnes
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Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline
13th Mar 09 at 18:01   View User's Profile U2U Member Reply With Quote
you will need the tank vent valve plugged in though. again a sad ecu light wil appear if it isnt.
john_c20xe
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Registered: 10th Feb 08
Location: Eastbourne, EastSussex
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13th Mar 09 at 18:09   View User's Profile U2U Member Reply With Quote
oh poo ill just conncted it then
Vauxdan88
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Registered: 13th Feb 11
Location: Weymouth Dorset
User status: Offline
26th Mar 12 at 23:27   View User's Profile U2U Member Reply With Quote
Sorry I know this is an old thread but can't find the info I need anywere! Basically I've just put a early xe in a Corsa and realised its got a let inlet manifold. It came out of an Astra which I drove home fine no problems and was actually quite quick! My question I know it worked but,the vacuum going to ecu,can I just block it off? As I obviously don't need it with my xe ecu and I can't remember how it was plumbed in...
fazza
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Registered: 7th Feb 08
Location: Plymouth
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27th Mar 12 at 08:38   View User's Profile U2U Member Reply With Quote
yeh just block it off mate
Vauxdan88
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Registered: 13th Feb 11
Location: Weymouth Dorset
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27th Mar 12 at 11:42   View User's Profile U2U Member Reply With Quote
Cheers mate finally someone with a straight forward answer!
fazza
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Registered: 7th Feb 08
Location: Plymouth
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27th Mar 12 at 11:47   View User's Profile U2U Member Reply With Quote
not sure if theres any other difference though, if once complete it doesnt run 100% just whack a c20xe TB on it. wont take long
Vauxdan88
Member
Registered: 13th Feb 11
Location: Weymouth Dorset
User status: Offline
27th Mar 12 at 19:06   View User's Profile U2U Member Reply With Quote
Ok mate cheers. Should run fine fingers crossed,did before I took it out the astra

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