1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Weber 48ida. Best way to clean it once removed from engine?

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Old Oct 25, 2011 | 02:43 PM
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Weber 48ida. Best way to clean it once removed from engine?

I just removed my weber carb/intake from my 12a because I needed to replace the intake gasket, etc...plus because the car sat 2 years without running and I am contemplating rebuilding it, or simply cleaning it and seeing if it works ok. (waiting on a new fuel pump to try and start the car).

Any suggestions how I can clean the carb thoroughly now that its removed?
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Old Oct 25, 2011 | 02:51 PM
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From: https://www2.mazda.com/en/100th/
carburator cleaner. on the IDA the jets all come out without taking anything else apart, so its really easy to pull em out, and clean em. stage 2 would be to pull the top off and clean in the float bowl.

a full rebuild would be to pull the throttle shaft out, but its probably not needed
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Old Oct 25, 2011 | 07:19 PM
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If the carb sits for a long time do you have to rebuild it? Lets say 6 years? thanks
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Old Oct 25, 2011 | 09:33 PM
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Originally Posted by Touring
If the carb sits for a long time do you have to rebuild it? Lets say 6 years? thanks
You might get lucky without a rebuild but yeah I would definately want to clean it out.
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Old Oct 26, 2011 | 12:07 AM
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Give this a try:

http://www.aircooledtech.com/tools-o.../soda_blaster/

Then clean all the jets/whatnot with carb cleaner/dip
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Old Oct 26, 2011 | 04:03 PM
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Thanks for the tips! I will post how it goes, and likely make a thread with the progress on this project that I'm finally getting around to finishing
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Old Oct 26, 2011 | 05:29 PM
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Originally Posted by Sgt Fox
Give this a try:

http://www.aircooledtech.com/tools-o.../soda_blaster/

Then clean all the jets/whatnot with carb cleaner/dip
That's pretty cool!

When I was a kid, my family owned a Marina to repair boat engines.
We always used to let the corroded/dirty parts stay overnight in a
bucket full of diesel fuel.

It worked really well.

Just my 02 cents.
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Old Oct 27, 2011 | 02:01 AM
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the diesel thing sounds easy and cheap
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Old Oct 27, 2011 | 03:45 AM
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Yeh the diesel does sound like a decent idea i wonder how clean it gets em. I like the bakin soda media blast as well that was kinda cool.
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Old Oct 28, 2011 | 06:18 PM
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Soak stripped carb in gasoline over night and scrub with a brass wire brush.

Carb will look brand new.
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Old Oct 28, 2011 | 08:33 PM
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I've found that if its not too cruddy you can use WD-40 and a brass wire brush without messing up the factory finish. I may have to try this baking soda blaster sometime though.
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Old Oct 29, 2011 | 09:43 PM
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I'm talking about cleaning the interior of the carb. I'm just thinking since it sat 2 years the car might not run right. I take it the gas or diesel idea is just to clean the exterior?

So should I still stick to carb cleaner for the inside of the carb or does dipping the carb in fuel work too. Thanks
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Old Oct 31, 2011 | 08:34 AM
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remove the top cover, jets including jet holders, air/fuel mixture, venturies, squirters and accelerator pump and the jet in bottom of fuel bowl. Use brake cleaner and scrub the inside walls with tooth brush combined with rags or similar. I personally wont use brass brush on inside walls. DOnt take apart the shaft as I hardly see them leak or go bad.

When you re-assemble it, I like to lube the acelerator pump prior to installation. While you're at it, modify the fuel bowl and the fuel inlet. OMP is up to you.


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