Discussion in 'Fuel System & Electrics' started by deepburn13, Aug 11, 2014.
Can anyone tell me how to unblock a blocked carby idle jet?
I got a tip once and it worked great for me on a gas lantern jet. remove the jet from the carb. Heat it up till it is red hot, then drop it into a cup of water. Whatever is stuck in the jet gets spat out.
Just blow it. Usually did it for me.
Sometimes it is a fibre that needs to be pulled out.
Get an air gun and blow out with compressed air.
Thanks all. Ive got a compressor that i borrowed for spraypainting that should do the job. Do i blow the air into where the cut off solenoid screws in? Or have i got the wrong hole? ;p
G'day all. my self taught bush mechanic dad use to change a plug lead & cause backfire through the carby seemed to work on the Vauxhall but they never caught fire
If you are talking about the tube that feeds fuel from the fuel bowl to the idle circuit on the left hand carb. I had mine block up once and needed to pull the carby apart tried blowing air through with no luck unded up using a strand of wire from a wire brush and pushed the blockage out with that - took a fair bit of effort.
I know you should not use wires to clean jets as you can make them bigger and bugger up the metering but figured it would not matter too much on the idle circuit as the fuel is metered by the needle valve anyway.
Some interesting fixes,some of which I wouldn't recommend but saabman's often works unless the gunk stays inside the jet,Spraying carby cleaner into the jet from the inner end often washes the gunk out and then open the idle screw and give it a blow through there too and then find where the gunk came from.
Yes I had both screws out and blew it out with compressed air and flushed with carby cleaner after I forced the crud out.
Awesome info guys. Cheers!
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