In message <firstname.lastname@example.org>
"Martin" <email@example.com> wrote:
> Series 3 2,25 PETROL
> Over the last few miles the oil pressure light has been coming on at idle,
> something that only used to happen if the oil level had dropped towards the
> min level, on a 15 mile run last week the pressure light came on once the
> engine had warmed up and on the return journey the same happened. Yesterday
> I started the engine up and the light came on and stayed on. So thought it
> best to switch off.
> I use Castrol Merit 20/50 changed less than 800 miles ago.
> I have checked for previous posts and only found mention of failed oil
> filter or failed pressure sensor.
> There doesn't seem to be mention of oil pumps failing, I will check/change
> the filter tomorrow, what else can I check.
> If the pressure has been low for some time I'm probably faced with a
> rebuild/recon anyway I suppose.
The first step would be to change the oil filter, oil, and oil pressure
switch to rule out the cheapest options. By all means take the pump out
and check it over, but I suspect the problem may be that one or more
of the cam bearings has shifted. To check this, take off the rearmost of
the two covers on the right hand side of the block (from the sitting
in the drivers seat). Making sure the engine won't actually run (!)
crank it over on the starter. If lots of oil is pumped out of the
hole where the cover was then the cam bearing has shifted blocking
the oil way from the pump. Then things get time consuming and
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