

These need an internal diameter of 21mm and external diameter as close to 38mm as possible. The other special tools required are a hub puller and a ball joint separator.Ī variety of shims will be required which should be obtained in advance. This is to measure the wear on the axle beam and steering knuckles. As a result of this there can be wear in the axle beam and the steering knuckles, hence there are some additional checks included below that are not in the workshop manual.īefore commencing the task it is worth purchasing a digital Vernier caliper (about £30 in the UK from Halfords or Moss) or hiring or borrowing one if you do not own one. With our cars now being over 80 years old they may not have been regularly serviced, especially during the 1960s when they were ‘old bangers’ bought cheaply and run on a shoe string with little regard to maintenance. The king pins fitted to the VA are unusual in that they are stepped with the bottom end 0.060 inches larger than the top end, which complicates reaming the bushes out. NOTE – There are still some of these early king pins in circulation as new old stock whilst the king pin and bushes can still be used the thrust bearing should be discarded and a modified thrust washer used.

This change transfers the front weight of the car from the top of the king pin to the bottom. The thrust bearing at the top of the king pin was replaced by a bronze thrust washer fitted between the axle beam eye and the king pin bottom bush. A service information sheet was issued to dealers/service departments to enable them to deal with complaints of wheel wobble from owners. These were discontinued in February 1938 by the factory due to complaints of wheel wobble. The original king pins fitted to the VA (up to chassis VA1254) have a threaded section at the top that secured a thrust bearing. Please read through all the procedure before undertaking the work.

The king pins and bushes are Safety Critical Items on your car and their replacement should only be undertaken by a competent person. These procedure notes have been have been written to assist VA owners in replacing their King Pins.
