Finding vacuum leaks
m (→Propane method: tidy up a bit) |
m |
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===Note=== | ===Note=== | ||
− | You may also use engine | + | You may also use engine starting fluid instead, as it does not leave residue. |
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If the above methods fail to locate an external leak, the following procedure may be used to determine an internal leak. | If the above methods fail to locate an external leak, the following procedure may be used to determine an internal leak. | ||
#Disconnect/remove the primary wire between the coil and distributor. | #Disconnect/remove the primary wire between the coil and distributor. | ||
− | #Adjust the idle screw so the throttle plate in the carburetor is | + | #Adjust the idle screw so the throttle plate in the carburetor is completely closed. |
#Remove PCV, breathers, and all vacuum ports on carburetor/manifold and seal openings with plugs/tape. | #Remove PCV, breathers, and all vacuum ports on carburetor/manifold and seal openings with plugs/tape. | ||
#Connect vacuum gauge to a manifold vacuum source. | #Connect vacuum gauge to a manifold vacuum source. | ||
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[[Category:Engine]] | [[Category:Engine]] | ||
+ | [[Category:Carburetors]] |