Alternator Regulator replacement

[Mantaray]

Over the last few weeks my car has been throwing up an error that I haven't seen since last Winter - 'Park brake fault' - but it clears after a couple of attempts so I haven't been too concerned.

A quick check on here reveals the battery is the first place I should be looking, and sure enough the battery is sitting at 11.8v with the engine/ignition off. The battery is the original one fitted 12 years ago so I can't begrudge buying a new one !

Thought I'd check the voltage when the engine was running and was surprised to find 14.9v so I suspect my regulator is on it's way out as well. My question is can the regulator be replaced as a stand alone part or do I need a complete alternator ?

Thanks in advance

Martin

[Old Peter]

Hi Martin,

I had that problem with my s type over a year or so, corrected by disconnecting the battery.

I changed the battery that was 5 years old and fitted by Jaguar and have not had the problem since.  BUT it will pop up if the battery needs charging.

I would be inclined to change the battery first and then see how it goes.

Regards, Peter.

[Mantaray]

Thanks Peter,

New battery arriving today so I'll fit that and see how it goes.

 

Martin