IAC Valve Ecotec

[WogBoyz]

hey everyone

just wondering where is the IAC located on the ecotec i wanna clean it will i just use that carby cleaner that comes in a spray can?

oh and how do i clean the IAC do i have to take anything apart?

also can i use that carby cleaner on my MAF?

sorry ive never done nething like this b4

[VSIIBerlinaL67]

its ontop of the throttle

[greenacc]

on top of the throttle body on the back. its the big black thing about the size of a film container. undo the 2 screws and pull the IAC out of the hole. blast it with the cleaner but don't adjust the position of the pin. also blast the carby cleaner down the hole the IAC came out of. Best to pull the air pipe off too and clean the throttle too.

[danja]

on top of the throttle body on the back. its the big black thing about the size of a film container. undo the 2 screws and pull the IAC out of the hole. blast it with the cleaner but don't adjust the position of the pin. also blast the carby cleaner down the hole the IAC came out of. Best to pull the air pipe off too and clean the throttle too.

If you're gonna do that, may as well take the whole TB off and clean it too, it's dead easy to do. Just look for the screws/bolts.

I've heard of people using carby cleaner on the MAF and saying it was fine. Personally I use electrical contact cleaner because it's designed for sensitive electronics, but I might just be paranoid

[WogBoyz]

oh ok cheers, i mite just do same as danja take the whole tb off and give everything a good clean, would i get carby cleaner and the electrical contact cleaner at like autobarn or supercheap?

[greenacc]

oh ok cheers, i mite just do same as danja take the whole tb off and give everything a good clean, would i get carby cleaner and the electrical contact cleaner at like autobarn or supercheap?

Yes you would.
1 thing to remember, when you pull the TB off, don't touch the TPS. just leave it in place and try not to get the carby cleaner on it. If you take it off you will have a bugger of time trying to put it back on and your car won't idle etc. i learned that one the hard way.

[WogBoyz]

whats TPS? lol sorry

[greenacc]

thats the throttle position sensor. It is on the front side of the throttle body, the smaller black sensor. The IAC is on the back ( windscreen side ) and is the bigger one.. good luck.

[danja]

TPS = throttle position sensor. It's a small black thing bolted on the TB on the other side from where the accelerator cable connects.

Have a look at the attached photo, the one on the top is the IAC, the one on the bottom is the TPS.

You might get contact cleaner at supercheap etc, but if not try Jaycar or Dick Smith.

You want something like this:
CO Contact Cleaner (N1072) - Dick Smith Electronics - Australia.

It's a bit more costly than carby cleaner, but if you use it sparingly it will last a while. You only need a few sprays to do the MAF, I usually do it at the same time as I change the air filter.

[WogBoyz]

alright, i had a look now and i know which one it is

thanks for heads up bud

[WogBoyz]

TPS = throttle position sensor. It's a small black thing bolted on the TB on the other side from where the accelerator cable connects.

Have a look at the attached photo, the one on the top is the IAC, the one on the bottom is the TPS.

You might get contact cleaner at supercheap etc, but if not try Jaycar or Dick Smith.

You want something like this:
CO Contact Cleaner (N1072) - Dick Smith Electronics - Australia.

It's a bit more costly than carby cleaner, but if you use it sparingly it will last a while. You only need a few sprays to do the MAF, I usually do it at the same time as I change the air filter.

kk so i can use that stuff for the IAC and all that aswell?

i got a pod filter in an enclosure behind the light and its all fairly new so that doesnt need to be changed for a while yet

thanks for the help man

[danja]

You're welcome.

It might work on the IAC, but I've never tried. Personally I'd use carby cleaner on the IAC/TB because that's what it's designed for.

You need to use a fair bit on the IAC/TB depending on how dirty it is (if you've never done it before prepare for it to be pretty filthy) so you'd be saving money by using carby cleaner, because half a can of carby cleaner will be $2-3 whereas half a can of contact cleaner is about $10 worth.

If you ever do anything in your engine bay, carby cleaner is one of those thing that is always useful to have around, so don't worry about it going to waste - and it never goes "off".

If you run a high flow filter, and especially an oiled one, I'd give the MAF a spray every 10,000kms or so, because the oil vapour helps dirt stick to the sensors and they go bad quicker. If you're doing it regularly it really just takes a quick couple of squirts.

[WogBoyz]

ahh kk im not sure if mines an oiled one my old k&n panel filter was an oil one but this pod came with the enclosure as a pack on like a $30 SAAS one once it gets really dirty im going to change it to a k&n one cus i alrdy got the oil n that

ill get some carby cleaner aswell then for the TB and IAC and the contact cleaner for the MAF

thanks for the help man, ill do it during this week sometime n let ya know how everything turns out

[danja]

Good luck with it mate, I'm sure you'll breeze through it.

Only warning is be careful with the MAF, you'll see when you take it out that the sensors inside are very fragile. Avoid touching them if you can and just use the spray.