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1977 Mack Cruise-Liner


raybing

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Cold start up=high oil pressure. Could have blown out an oil filter, etc. and caused the low oil pressure, could be something more expensive than the truck is worth. But if worse comes to worse, it may be worth the asking price in parts.

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1 hour ago, Maxidyne said:

Cold start up=high oil pressure. Could have blown out an oil filter, etc. and caused the low oil pressure, could be something more expensive than the truck is worth. But if worse comes to worse, it may be worth the asking price in parts.

Same thoughts but I'm more to a case of broken oil pump drive after cold start with by some reason tough oil.

Никогда не бывает слишком много грузовиков! leversole 11.2012

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On 3/5/2020 at 5:20 PM, raybing said:

Yes. Probably 15w40 oil. How cold was it that day?

North Dakota COLD!

Looks like it was driven to the truck wash bay okay and then drove and parked outside. The pooch hasn't pissed oil or pooped a rod yet. I'd guess without seeing or hearing the engine running its a bad gauge or sending unit.

Mack 11E.jpg

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