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-   -   Oil Pressure Indication - 280 SL (http://www.peachparts.com/shopforum/mercedes-benz-sl-discussion-forum/206889-oil-pressure-indication-280-sl.html)

amdabreu 12-02-2007 04:29 AM

Oil Pressure Indication - 280 SL
 
On Mercedes 280 SL 1978 - Is it normal to have oil pressure indication between 1,5 and 2 (amid of the scale) when the engine is running on idle power. Thanks :confused:

Lord Hemming 12-02-2007 09:16 AM

On my 560SL when I fist start the car the oil pressure sits just under 3 as the oil is thicker, as the car warms up this drops to around 2.5. I find my car sits at 2.5 when warm on idle and always 3 when driving.

What does your gauge read then the engine's under load?

t walgamuth 12-02-2007 09:55 AM

Quote:

Originally Posted by amdabreu (Post 1691221)
On Mercedes 280 SL 1978 - Is it normal to have oil pressure indication between 1,5 and 2 (amid of the scale) when the engine is running on idle power. Thanks :confused:

That is normal.

When you pick up the rpm it should always peg instantly.

When the egine is very hot as from coming off the hiway after a high speed trip it will drop to its lowest at idle as the oil will be good and hot and at its thinnist.

Tom W

Walrus 12-02-2007 04:08 PM

I concur... normal oil pressure for a warm engine at idle (equal to about 21-28psi). Incidentally, I surmise, since you used a comma to indicate "1 and a half", that you are from the east side of the pond?

nobby 12-03-2007 12:32 AM

I have a 280 as well and what you described is normal.

amdabreu 12-11-2007 01:26 AM

Thanks all, for answers it was great help!!!


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