Quote:
Originally Posted by johnathan1
I'm sure you've already checked the oil level...
If the pressure really were that low, wouldn't the engine have self-destructed or overheated by now??
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Well it's not ZERO while driving but it is while idling. It's around 2 at cruising speeds (most of the way home). So it hasn't had zero oil pressure. Idling has only been a second or two.
Quote:
Originally Posted by whunter
I assume the 300SD is 1981-1985 OM617...
If that is correct, your starting point is the two small O-rings on the oil filter cover dip tube.
This is a common issue overlooked during oil changes...
When the two small O-rings become rock hard and/or break/crumble = the oil pressure reading drops/reads low.
Have a great day.
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Thanks whunter and yes this is a 1985 with a 617. So when the o-rings fail to seal, does the actual pressure drop or just the gauge display?
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Last edited by 777funk; 08-03-2010 at 08:17 AM.
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