84-85 Trucks & 4Runners 2nd gen pickups and 1st gen 4Runners with solid front axles

How to Rebuild Your Carburetor - Write Up

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Old 10-23-2011, 04:53 PM
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Originally Posted by rokblok
Spear, I bought a gallon of carb soak. It has a basket in it and works great if you leave it in there a day or two. Its either Chem-tool or All-Chem, something like that.... Most all auto parts places have it.
Thanks rokblok!
Can you soak the whole carb in there prior to disassembly or piece by piece?
Old 10-23-2011, 05:07 PM
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I suggest piece by piece. That way it has a chance to get into the vacuum passages and such. The basket has a pretty fine screen so nothing should fall out. I do all the itty bitty things by hand anyway... But all the jets, bowls, venturis, body, anything metal can be dipped overnight or a couple days.

I just disassemble everything and put it in the basket and let it soak.
Old 11-02-2011, 07:46 AM
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Originally Posted by ahickman
algranger, when you reassembled the choke heater/coil, did you have to align it? Which sping does the tang get hooked on?
i am rebuilding a carb for a buddy of mine and I had an issue with the alignment on this as well..
Old 03-08-2012, 07:34 PM
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Great Resource

Glad I found this thread. Helped me with my carb rebuild. I made the mistake of sending it initially to a rebuilder called Carb Junkys in Atlanta, GA. Big mistake. Ended up having to rebuild it again.
http://www.complaintsboard.com/compl...a-c592106.html
Old 10-15-2013, 04:29 PM
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accelerator pump

so to start this question sorry if it was stated and i just missed it but in the picture below you are holding a part and it looks similar to the accelerator pump i just bought to replace am i correct in it being the accelerator pump or do you have some insight to shed for me on where thats at? i would download the fsm you posted a link to but im at work and can not access the site currently.

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Old 10-26-2013, 08:37 PM
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Originally Posted by 79yotastein
in the picture below you are holding a part and it looks similar to the accelerator pump i just bought to replace am i correct in it being the accelerator pump
That is the Power Piston. The Power Piston acts against the Power Valve at the bottom of the float bowl.






The main Accelerator Pump (there's the main pump and then the secondary pump) is on the outside of the carburetor.






The Auxiliary Accelerator Pump is on the opposite side of the carburetor.

Old 04-01-2014, 09:15 AM
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Lower Butterflies on 85 carb Sticking

Is there a way to get the lower butterflies off of the carb. I have that lower section soaking for 48 hours and the lower large butterfly is real hard to move. Everything else looks clean and ready to go but this thing is really gummed up.
Any help would be great. Thanks
Old 12-23-2014, 04:45 PM
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Replace POWER VALVE

With engine off, if your float reservoir is leaking fuel into intake manifold, replace POWER VALVE. PV leaks into the manifold causing a very rich condition at idle and low speed. Replace Power Valve.


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Last edited by 30years22R; 12-23-2014 at 04:51 PM.
Old 01-30-2015, 04:50 AM
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After full carb rebuild on ’85 22R Carb; with engine off, my ‘85 Carb float reservoir leaks fuel into intake manifold. Does this seem like jet needle not seating or perhaps power valve leak?
Old 01-31-2015, 09:55 AM
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This is a very common occurrence after a the carburetor has been rebuilt.


When I did mine, I replaced the Power Valve, yet is still leaked. I then cut off the metal plunger only portion that actuates the Power Valve, this pushes the valve open. It still leaked.


I never was able to solve the carburetor leak.
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