Jmilavec Posted February 3, 2016 Share Posted February 3, 2016 Hi, I am new to owning my own truck, obviously. 87 Mack R model, on the left side of the dash there's an orange light that says Shutdown on it. And a buzzer going off while the light is on. WHY? I have good oil pressure. Coolant is full. What other systems are on this warning circuit? Everything seems to operate normally.I am also looking for a good used oil pan for this same engine. EM6-300. Are the E6 & E7 pans the same? Any good sources in or near NY? Sources for Owners manuals? Quote Link to comment https://www.bigmacktrucks.com/topic/43869-1987-em6-300-help-needed/ Share on other sites More sharing options...
thomastractorsvc Posted February 3, 2016 Share Posted February 3, 2016 Sources for Owners manuals = Contact the Mack Museum http://www.macktruckshistoricalmuseum.org/Send them your info and truck vin and they will send you a package with build sheets and manuals, then send them a donation. Quote Robert"I reject your reality and substitute my own." Link to comment https://www.bigmacktrucks.com/topic/43869-1987-em6-300-help-needed/#findComment-322895 Share on other sites More sharing options...
theakerstwo Posted February 3, 2016 Share Posted February 3, 2016 There is different pans for both engines and the right one could work on either engine.The is on a E7 a paper gassket and a rubber gasket which takes different pans. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/43869-1987-em6-300-help-needed/#findComment-322898 Share on other sites More sharing options...
Dirtymilkman Posted February 3, 2016 Share Posted February 3, 2016 Your coolant level sensor is probably bad. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/43869-1987-em6-300-help-needed/#findComment-322899 Share on other sites More sharing options...
superdog405 Posted February 8, 2016 Share Posted February 8, 2016 Sometimes you can take coolant sensor out of top rad tank, clean it and put it back in. They get gunked up and send a low coolant alarm. Quote Link to comment https://www.bigmacktrucks.com/topic/43869-1987-em6-300-help-needed/#findComment-323440 Share on other sites More sharing options...
Jmilavec Posted February 8, 2016 Author Share Posted February 8, 2016 Thank you everyone!In my searches for an oil pan I have to wonder....why won't any of them fit? By any I mean pans from an EM6, E6, E7? It looks like they all have 30 holes. They are all reversible, meaning to me that the wider section in the middle is centered. I do see some have reinforced edges and some do not. Some pans are deeper too, so it would hold more oil. More oil isn't a bad thing.Any advice on this? Quote Link to comment https://www.bigmacktrucks.com/topic/43869-1987-em6-300-help-needed/#findComment-323530 Share on other sites More sharing options...
theakerstwo Posted February 8, 2016 Share Posted February 8, 2016 One pan uses a rubber gasket and different size bolts. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/43869-1987-em6-300-help-needed/#findComment-323544 Share on other sites More sharing options...
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