Cut it out and weld a new one in.
the converter is blocked inside. you have to replace it.
The converter assembly is a bolt on part, or you can cut out and weld in generic units to replace the existing ones.
Unless you have a California model, the converter assembly sells in the aftermarket for about $300.
You either bolt on a new assembly, or cut the old ones out and weld generic units in place.
You don't, you replace or rebuild the engine.
I would like to answer that but I don't know what a "moniford" is.
To replace lamps the cluster must be removed.
You don't as it does not have a cable. You replace the speed sensor instead.
The fuel pump is in the tank and the tank must be removed to replace it.
The brakes on the Villager are as straight forward as the brakes on a 1965 Mercury. Only normal brake tools are required.
The engine in the Mercury Villager does not use a timing chain, it uses a timing belt. The recommended belt replacement interval is 105,000 miles.
The water pump does not have a "tensioner".