How to rebuild a Rochester Quadrajet 4MV carburetor
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=====Parts Organizer===== | =====Parts Organizer===== | ||
| − | :The carburetor is held together and in place with several bolts of various sizes. There are also a lot of small parts on the inside of the carburetor body. It is very important to use some sort of a parts organizer to separate everything. It does not have to be anything fancy. You can use things usually found around the house. Egg cartons work well. | + | :The carburetor is held together and in place with several bolts of various sizes. There are also a lot of small parts on the inside of the carburetor body. It is very important to use some sort of a parts organizer to separate everything. It does not have to be anything fancy. You can use things usually found around the house. Egg cartons work well, and the top can be closed to keep the parts in place. Old ice cube trays can also be used. |
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| + | :Other ideas suggested by [http://www.hotrodders.com Hotrodders] forum members: | ||
:''<blockquote>"The muffin pans work great. As a technique, I use two pans and label each "bin" and place the old part in one bin and at the same time, I place the new part in the other pan. Most kits are 'generic' so this is the best time to pick out the part that matches the removed part and set the residual parts aside. Most kits are 'generic' so this is the best time to pick out the part that matches the removed part and set the residual parts aside."'' ^3'' - '''''trees''''', [http://www.hotrodders.com Hotrodders] forum member.</blockquote> | :''<blockquote>"The muffin pans work great. As a technique, I use two pans and label each "bin" and place the old part in one bin and at the same time, I place the new part in the other pan. Most kits are 'generic' so this is the best time to pick out the part that matches the removed part and set the residual parts aside. Most kits are 'generic' so this is the best time to pick out the part that matches the removed part and set the residual parts aside."'' ^3'' - '''''trees''''', [http://www.hotrodders.com Hotrodders] forum member.</blockquote> | ||
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===D. Dis-Assembly=== | ===D. Dis-Assembly=== | ||
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| + | '''''Note:''''' Be sure to have your parts organizer near by at all times. Also, take the time to match up the new parts with the old ones as soon as you remove them. If something doesn't match up, return it for the right part before beginning re-assembly. | ||
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====Accelerator Pump Actuator==== | ====Accelerator Pump Actuator==== | ||
| − | ''Coming | + | <blockquote>''"Something you'll need to know for disassembly, on the driver side front, the accelerator pump, there is a fulcrum the actuator arm rocks on, there are I think two holes in it, note where the throttle linkage attaches to it. The instruction sheet will probably tell you where to attach it depending on which engine too. To remove the lever, just use a small diameter punch and push the roll pin out of the fulcrum point and lift the lever off. I did several Q-jet rebuilds, all the while cursing the way I had to twist the top of the carb to remove it, once I realized there was a removable pin, it made disassembly and reassembly a breeze." ^'' - '''''cyclopsblown34''''', ''[http://www.hotrodders.com Hotrodders] forum member.''</blockquote> |
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| + | ''More Coming Soon.'' | ||
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;[http://www.hotrodders.com/forum/q-jet-power-piston-springs-160724.html '''''Q-Jet Power Piston Springs'''''] | ;[http://www.hotrodders.com/forum/q-jet-power-piston-springs-160724.html '''''Q-Jet Power Piston Springs'''''] | ||
:Thread offers information on power piston springs in relation to tuning a Rochester Quadrajet. Information provided on spring ratings, manufacturers and part numbers*. | :Thread offers information on power piston springs in relation to tuning a Rochester Quadrajet. Information provided on spring ratings, manufacturers and part numbers*. | ||
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| + | ;[http://www.hotrodders.com/forum/4mv-quadrajet-4bbl-choke-linkage-missing-need-diagram-showing-how-188110.html '''''4MV Quadrajet 4bbl choke linkage missing need diagram showing how to mount on carb'''''] | ||
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;[http://4x4mecca.com/upload/demouploads/Quadrajet_Service_Manual_1981.pdf '''''Delco Quadrajet Carburetor,Models 4MV-4MC-M4ME-M4MC Service Manual'''''] | ;[http://4x4mecca.com/upload/demouploads/Quadrajet_Service_Manual_1981.pdf '''''Delco Quadrajet Carburetor,Models 4MV-4MC-M4ME-M4MC Service Manual'''''] | ||
:Factory manual for servicing Quadrajet carburetors. Contains very useful and detailed information, images and diagrams to assist with servicing and rebuild. | :Factory manual for servicing Quadrajet carburetors. Contains very useful and detailed information, images and diagrams to assist with servicing and rebuild. | ||
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| + | ;[http://www.newagemetal.com/pages/Chevrolet/75/pages/63-69Chevy0181_jpg.htm '''''1975 Chevrolet Carburetor Parts Lists/63-69Chevy0181.jpg'''''] | ||
| + | :Exploded view of Rochester Quadrajet models M4MC and M4MCA (air horn, choke, float bowl, and throttle body). | ||
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