Duchek Posted November 23, 2014 Share Posted November 23, 2014 Just bought a 2012 day cab Pinnacle with a Mdrive transmission for use on our farm. The operators manual say nothing about the pre heat on the air intake system. Just wondering how long a person should be holding in the button for it to start in colder weather. Thanks for any replies. Quote Link to comment Share on other sites More sharing options...
farmer52 Posted November 23, 2014 Share Posted November 23, 2014 You asking about the preheater or cranking the engine? Quote Ken PRR Country and Charter member of the "Mack Pack" Link to comment Share on other sites More sharing options...
Duchek Posted November 23, 2014 Author Share Posted November 23, 2014 The preheater. Quote Link to comment Share on other sites More sharing options...
Macktech689 Posted November 23, 2014 Share Posted November 23, 2014 Not sure what button you are looking at, the preheater is operated by the engine control module. The ECM determines when and for how long the preheater is activated. Quote Link to comment Share on other sites More sharing options...
j_martell Posted November 23, 2014 Share Posted November 23, 2014 Likely the same (ish) as.my granite....turn the key to on and watch for the indicator light to go out, then crank....my little jetta is the same..... Quote Lack of planning on your part does not constitute an emergency on my part.... Link to comment Share on other sites More sharing options...
Macktech689 Posted November 23, 2014 Share Posted November 23, 2014 Works exactly the same as your Granite, all 11 13 & 16 liter engines preheat the same way. Quote Link to comment Share on other sites More sharing options...
Duchek Posted November 24, 2014 Author Share Posted November 24, 2014 I thought the black rubber push button to the lower left of the steering column was for the preheat. As for a preheat light on the dash I don't remember seeing one in the truck or in the operators manual Quote Link to comment Share on other sites More sharing options...
j_martell Posted November 24, 2014 Share Posted November 24, 2014 Ill try and dig up a pic.....old glow plug light.....in the granite its in the left hand light pod.....to the left of the co-pilot screen.....orange "two loop" squiggle Quote Lack of planning on your part does not constitute an emergency on my part.... Link to comment Share on other sites More sharing options...
mack mhe9 Posted November 26, 2014 Share Posted November 26, 2014 So for give me of my ignorance. I'm under the impression that you cannot use either on a preheat'd intake system. At least I never do. So if I'm try to help.some one with a newerror truck I need to find out if it has this presentation heat on a class 8 truck. Quote Link to comment Share on other sites More sharing options...
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