Re: 1949 2262 Died On Me
Posted by HH56 On 2024/4/19 20:31:52
All the above, particularly the tank cap and a possibility something is floating around in the bottom of the tank periodically blocking the line inlet. If the issue turns out to be at a consistent place and you can pin it down to a specific level where it seems to happen it could be the pickup tube in the tank has developed the pinhole. On later tanks like the one 53 Cavalier mentions there are two known points where pinholes develop. Your tank is a bit different and I don't know if enough failures have happened or been observed to know approximate gauge levels on that style.
The factory filter was optional and of the ceramic type. If installed it would be in a glass bowl next to the carb but a previous owner could have installed something more modern in the line between the tank and engine. The ceramic types have a tendency to clog with microscopic particles of rust and if car had a long sit with no fuel in the bowl varnish and other byproducts of fuel deterioration clogging the pores could be the issue. Even after cleaning it can look fine and pass air if you blow thru it but still not be capable of allowing enough fuel to pass to keep the engine running. If the engine still has a mechanical pump and fuel is running thru it, the bottom of the pump covered by a metal dome shaped sediment bowl contains a screen. That screen could be clogged with rust particles. If you remove the bowl best to have a new gasket or some cork material handy to make a new gasket as the originals frequently do not seal again after being disturbed.
Here is what the pickup tube inside of the tank looks like. Fuel is picked up at the open end of the tube which points down and rests roughly 1/8 inch above a sort of depression on the tank bottom. There is no screen or protection around the tube.
Attach file:
1003_58e0e23f7c91b.jpg (76.94 KB)
The factory filter was optional and of the ceramic type. If installed it would be in a glass bowl next to the carb but a previous owner could have installed something more modern in the line between the tank and engine. The ceramic types have a tendency to clog with microscopic particles of rust and if car had a long sit with no fuel in the bowl varnish and other byproducts of fuel deterioration clogging the pores could be the issue. Even after cleaning it can look fine and pass air if you blow thru it but still not be capable of allowing enough fuel to pass to keep the engine running. If the engine still has a mechanical pump and fuel is running thru it, the bottom of the pump covered by a metal dome shaped sediment bowl contains a screen. That screen could be clogged with rust particles. If you remove the bowl best to have a new gasket or some cork material handy to make a new gasket as the originals frequently do not seal again after being disturbed.
Here is what the pickup tube inside of the tank looks like. Fuel is picked up at the open end of the tube which points down and rests roughly 1/8 inch above a sort of depression on the tank bottom. There is no screen or protection around the tube.
Attach file:
1003_58e0e23f7c91b.jpg (76.94 KB)This Post was from: https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?post_id=270478