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Topic: IACV removal (Read 1558 times) |
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cossieguy
Full Member
1996 Cosworth Ultima saloon
 
Posts: 550
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IACV removal
« on: Oct 3rd, 2006, 4:23pm » |
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Went to take my IACV off to give it a clean etc. One of the screws/bolts wont come off and the screwhead has started to bend/mishape when trying to unscrew it, as they're soft metal heads. Can hardly get a screwdriver onto it now! Any suggestions on a way forward  Have tried soaking with WD40 but still seized.
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Dave
Senior Member
Tourmallard 24v (ex-owner)
Posts: 1984
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Re: IACV removal
« Reply #1 on: Oct 3rd, 2006, 5:14pm » |
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Should be 2 x 10mm bolts on there unless I am very much mistaken.
If the bolts are rounding can you try a gently hammering (theres 2 words that don't go together) a smaller socket on there? Like a 9mm or sommat?
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cossieguy
Full Member
1996 Cosworth Ultima saloon
Posts: 550
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Re: IACV removal
« Reply #2 on: Oct 3rd, 2006, 5:47pm » |
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Not sure if i'm trying to undo the wrong ones then? I'm trying to undo the ones on the left hand side of the iacv (with phillips threads in them) as you look at it. Do these need to be undone during the cleaning process? or do you just take the whole unit off and undo the plastic cover on the end? Have seen the how to from the G and S site but it doesn't make clear which ones to undo.
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cossie_al
Full Member
Ex 24v
Posts: 902
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Re: IACV removal
« Reply #3 on: Oct 3rd, 2006, 7:07pm » |
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The two 10mm bolts fasten it to the engine and the two cross/philips head bolts are used to take the iacv apart.
When I did mine I undid the electrical plug and then unbolted the whole thing from the engine and worked on it on the bench.
I actualy managed to loosen the philips head bolts with a small pair of mole grips, pliars would probably do it.
When I reinstalled it I reffited it with allen studs instead of the philips heads.
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twinturbo
Full Member
24V's Me game!
Posts: 904
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Re: IACV removal
« Reply #4 on: Oct 3rd, 2006, 7:07pm » |
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Your trying to take the solenoid of the valve.
You don't need to undoo them just the two bolts holding the assembly to the plenum
Make sure you don't damage the gasket.
The screws holding the solenoid on do often round off..
TT
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cossieguy
Full Member
1996 Cosworth Ultima saloon
Posts: 550
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Re: IACV removal
« Reply #5 on: Oct 3rd, 2006, 9:23pm » |
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Thanks TT and cossie_al, would have carried on trying to loosen the wrong ones and would have got myself into a right pickle 
However i assume i'm going to have to loosen it to clean the inside of the iacv?
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Simmo
Administrator
I'm an OAP !
Posts: 5508
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Re: IACV removal
« Reply #6 on: Oct 4th, 2006, 6:42am » |
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I believe it is a slightly different design on the Cosworth but on the 2.0ltr once it is off the car there are two 'ports' and you can see the spring and shaft clearly. You need to a good spray of carb cleaner and then a drop of 3in1. You can activate the shaft with a small pair of long nose pliers or a screwdriver to ensure it is moving freely.
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cossieguy
Full Member
1996 Cosworth Ultima saloon
Posts: 550
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Re: IACV removal
« Reply #7 on: Oct 4th, 2006, 6:48am » |
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Thanks Simmo will give it a go today.
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Simmo
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Re: IACV removal
« Reply #8 on: Oct 4th, 2006, 6:53am » |
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I take it you've read This. The diagrams show what I mean.
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cossieguy
Full Member
1996 Cosworth Ultima saloon
Posts: 550
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Re: IACV removal
« Reply #9 on: Oct 4th, 2006, 7:46am » |
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Yes i had Simmo, sorry if it's a stupid question but where do you put the oil?
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Simmo
Administrator
I'm an OAP !
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Re: IACV removal
« Reply #10 on: Oct 4th, 2006, 8:17am » |
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The idea is to clean and lubricate the shaft which the spring sits round so that there is minimal resistance when the solenoid is activated.
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cossieguy
Full Member
1996 Cosworth Ultima saloon
Posts: 550
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Re: IACV removal
« Reply #11 on: Oct 4th, 2006, 8:31am » |
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Thanks for your quick response mate, will have breakfast then get cracking with it.
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