The problem for her is when the gauge is inop it stays pegged at 3bar.
I had that problem with my 87 300SDL. Just needed to reconnect the wire
on the oil filter housing and it was good to go. Thought hers was the
same as our which actually sends oil into the passenger compartment! to
the gauge cluster. But thinking now it is the electric version. Surely
some later mid 80's W126 driver will chime in.
Ben near Detroit.
On 11/16/2011 10:38 AM, Mark in Lakewood, CO wrote:
> Don't know so much about "bars". (Try to stay out of them as a
> general rule.) Anything below 10-12 psi at idle requires action, and
> soon. (I think that's .75 bar.)
>
> Mark in Lakewood, CO
> *From: *"BStromsoe" <bstromsoe@yahoo.com>
> *To: *"diesel mercedes" <diesel_mercedes@yahoogroups.com>
> *Sent: *Wednesday, November 16, 2011 8:20:02 AM
> *Subject: *Re: [diesel_mercedes] Re: 83 300SD Instrument Cluster (Phase 1)
>
> As I recall, 3.0 bar is normal and expected when running at speed. I
> get 2.2 - 2.4 bar at idle which is also "normal" - not sure what is
> bad oil pressure at idle. Anyone know how low oil pressure can get at
> idle to indicate future problems?
> brian from la verne, ca
>
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