Post
by Dieselman » Sun Nov 21, 2021 7:33 am
Possibly the door locks issue is down to a worn key.
The door locks can be stripped down and serviced, but be aware they are quite complicated, with several parts and a number of springs and ball bearings, etc.
The lock should spin freely if the key doesn't match; it operates by a matching key allowing the key to be pushed inwards more due to the lock releasing the inner barrel section, which has a pair of dogs that engage with the 2nd inner section, so move the actuator.
To remove from the door, open the door and look for a 10mm rubber bung, prise out the bung and there is a small grub screw.
Loosen the grub screw (no need to fully remove), then using a plastic pry bar, lift the lock from the door skin.
Find a clear, flat surface to work on.
On the outer barrel you will see a small roll pin.
Push out the roll pin and the inner barrel can be slid out and dismantled.
Make careful note of where all the ball bearings and springs go.
The actual lever pins and springs can be removed after unclipping the stainless steel retainers.
Be very careful to keep the correct order, otherwise the key won't match.
There are five levers on one plane, four on the other, with each pin being one of four combinations.
It is possible to match a lock to a key by observing the key pattern and pin combination, as long as you have sufficient pins.
On re-assembly, the circular, centering spring, needs to be wound tightly inside the end of the barrel, before the inner barrel is inserted into the outer barrel.
The lock can only go back together one way.
If all else fails, obtain a complete Xm lock and key set from a parts car.
For the Ign switch it sounds like it has metal contamination in the grease due to worn contacts. You might be able to strip it down and clean it out.
Another thought is that the Ign power feed could be receiving power from another circuit when the Ign switch is off.
For example, if an incorrect brake lamp bulb is installed, when the sidelights are on and the brake pressed, the Ign power circuit could receive power from the lights circuit, which is always live.
Make a mental note of when the ign fails to switch off and what other devices, if any, are switched on, or whether it really is the Ign switch at fault. Try wiggling the key to see if that causes a change.
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