Free Carburetor Repair Manuals

Manuals are downloaded as PDF files. Some are very large and might take some time to download, depending on your internet connection.Please do not distribute these manuals. Instead giving out the link to this web page would be appreciated. Link is as follows: http://carburetor-blog.com/?page_id=335Please keep in mind that these manuals may span several carburetor models and may not be your exact carburetor. Use these manuals as a general reference only. Don’t forget to visit the technical pages for your specific carburetor. More manuals for specific carburetors may be available there.

 

Autolite, Ford & Motorcraft Manuals & DVDs

Carter AFB Carburetor Manual
Carter AS Carburetor Manual
Carter BB Carburetor Manual 1938 & Prior Also works for bbr1
Carter BB Carburetor Manual 1939 & Later
Carter Brass Bowl Manual
Carter BBD Carburetor Manual
Carter Divorced Choke Adjustment – Older 1955
Carter RBS Carburetor Manual
Carter Thermoquad Carburetor Manual
Carter UT Updraft Carburetor Manual
Carter W-0 Carburetor Manual
Carter W-1 Carburetor Manual
Carter W-1 Climatic Control Carburetor Manual
Carter WA-1 Carburetor Manual
Carter WCD Carburetor Manual
Carter WCD Carburetor Manual – 1962 Rambler – In general, this is ok for any WCD
Carter WCFB Carburetor Manual
Carter WDO Carburetor Manual – 1938 & Earlier
Carter WDO Carburetor Manual – 1939 & Later
Carter WGD Carburetor Manual
Carter YF Carburetor Manual – Older YFs
Holley 94 Carburetor Manual
Holley 740 Carburetor Manual
Holley 852-FFG Carburetor Manual

Holley 885 Carburetor Manual
Holley 885-JJG & 885-JJGC for General Motors Trucks
Holley 1904 Carburetor Manual

Holley 1908 Carburetor Rebuild Manual
Holley 1920, 1940, 1945, 2210, 2245, 5200, 5210, 5300 Carburetor Manual
Holley 1940 Carburetor Manual
Holley 2110 Carburetor Manual

Holley 2300 Corvette – 1968-69 Tripple Carburetors
Holley 2300 Carburetor Manual
Holley 2300 Carburetor Rebuild Manual – from a 1962 repair manual.
Holley 2300C, 2300G, 4150C, 4150G, 4150MG, 4160C & 4160 w/mechanical secondarys
Holley 4000 Carburetor Manual
Holley 4000 Visual Instruction Manual
Holley 4150C Carburetor Rebuild Manual
Holley 4150EG Carburetor Manual
Holley 4150EG Governor Manual
Holley 4150G Carburetor Manual
Holley AA-1 (electric choke) GM Trucks Carburetor Manual


Mercruiser Weber Marine Carburetor Manual


Motorcraft 2100 4100 Carburetor Manual
Motorcraft 2700 7200 Carburetor Manual – large file, but great manual.


Rochester 2G, 2GC Carburetor Manual
Rochester 4G, 4GC Carburetor Manual
Rochester AA Carburetor Manual
Rochester B, BC, BV, AA, BB Carburetor Manual – Be patient, this is a large file.
Rochester BC – Published in 1951
Rochester Dualjet Carburetor Manual
Rochester E2SE Carburetor Manual
Rochester E4ME-E4MC Service Manual
Rochester Monojet Carburetor Manual
Rochester Triple Power Pack Manual
Rochester Quadrajet Carburetor Manual
Rochester Varajet Carburetor Manual

Solex 44PA1 Rebuild Instructions
Solex 44PHH Carburetor Manual
Solex Selection and Tuning of the Carburetor


Stromberg AA Series Description & Operation
Stromberg used on Government Vehicles AA, SF, BXV
Stromberg Service Manual – many Strombergs represented here.
Stromberg WW Carburetor Manual
Stromberg WW Carburetor Manual 1955 Edition

SU – Servicing, Testing & Repairs   Zenith 28 228 Rebuild Manual


Zenith 63M 263M Marine Rebuild Manual
Zenith Gov-U-Retor Specification Chart
Zenith Gov-U-Retor Service Manual  


Marvel Schebler


Recent Posts

Floats

Floats perform an important function in maintaining the correct level of fuel in the float bowl by opening and closing an internal inlet valve. If the float develops a leak, it will sink below its ideal level and excess fuel will enter the bowl. This causes the engine to run rich and probably causes leakage of gasoline out of the carburetor, increasing the risk of engine fires. In a carburetor rebuild be certain to examine the old float for damage or corrosion. You can also test your float for leakage to determine if it needs to be replaced. Repairing old floats is difficult, especially in light of the need to avoid increasing the weight of the float with the addition of solder. Adding weight changes the floatation characteristics of the float.

We have one of the Internet’s widest selections of floats including all floats that remain available and many that are extremely hard to find. We have floats for all of the major name brands of carburetors. These floats are made in the U.S.A. and designed and built to the highest quality standards, including both brass and nitrophyl floats. In some applications, both are available to choose between. We do recommend changing all old nitrophyl floats at the time of a carburetor rebuild, and many mechanics change all floats during rebuilds.

From Holley, Carter, and Motorcraft to Stromberg and Zenith floats, we have them all, including a wide selection of Rochester and Marvel Schebler floats. If it is time for a float replacement in your classic car, scroll our selection and find your carburetor float at a price that will make you smile.

Float Problems and Their Diagnosis:

With brass floats, the floating “pontoon” is typically constructed of at least two brass sections soldered together along a seam. Then a tiny hole used to equalize internal and external temperatures is soldered shut to complete the assembly process. Since all of these points are submerged in gasoline during engine operation, leakage problems can later occur at any place that was soldered. Repairing these floats is quite challenging and replacement is usually preferred unless the float is no longer available.

If your engine is the least bit hard starting after it has warmed up, or if your exhaust has a rich gasoline odor, you probably have carburetor problems, and a bad float is one of the possibilities. Other symptoms include poor gas mileage and, of course, if the engine is flooding.

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