Friday 4 February 2022

Alternator rebuild

 Noisy bearings and squealing belt

Recently I noticed that the alternator was getting noisy when the engine was cold.

I decided to replace the bearings and bushes in the unit.

Looking at the date code of the alternator I found that it is not the original one and is now a 60A one made in 1979. I figured I would keep using it as it was replaced at some point perhaps due to a defect.

Here are a few pictures before I disassembled and cleaned the unit.














I then replaced the bearings and sand blasted the pulley, fan and casing. Then painted the pulley and fan black and the casing satin clear.

Old brushes and bearing




Fully disassembled


Painted and reassembled.






Still waiting on a rebuild 4300 Motorcraft 4 barrel carb to enable the install of the 4 barrel inlet manifold.


Engine flooding / running rich issue.

Engine flooding / running rich issue. I have been chasing an intermitant issue with my Motorcraft 4300 (square bore) for a few months now. I...