mack88 Posted October 20, 2018 Share Posted October 20, 2018 I would like to install diesel coolant heater does it need to be 24 or 12 volt heater on 1987 mack .Thanks Quote Link to comment Share on other sites More sharing options...
AZB755V8 Posted October 20, 2018 Share Posted October 20, 2018 38 minutes ago, mack88 said: I would like to install diesel coolant heater does it need to be 24 or 12 volt heater on 1987 mack .Thanks Well all the coolant heaters I have ever used are 110 volt and plug into house or shop current. The heater is an element like used in electric water heater. If you ever noticed the chrome plug on a truck that looks like a trailer connect plug, by the grill or drivers door, it is where the extension cord plugs the heater power into. Go to "engine block heater" on Ebay and look at them and buy on.👍 Quote Link to comment Share on other sites More sharing options...
mack88 Posted October 20, 2018 Author Share Posted October 20, 2018 Yes i have block heater some times when you moved a piece of equipment out to job site and bring truck home after work.It is -30C sometimes. Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted October 20, 2018 Share Posted October 20, 2018 12 volt. Which one you getting? Webasto? Quote Link to comment Share on other sites More sharing options...
mack88 Posted October 20, 2018 Author Share Posted October 20, 2018 Im not sure which one yet but thanks for the info got one on excavator and dozer sure are nices to have when your nowhere near a power outlet. Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted October 20, 2018 Share Posted October 20, 2018 Long as they don’t bring you down too deep on your battery your golden. Our Webasto on the off-sight dozer takes about 20-25 minutes run time to bring it up. It might take less time, but the guy who installed it put it in upside down so you can’t bleed the air out properly. For the record....Not my department. .(-:. Make sure you ID the coolant bleed high-point on the exchanger core during install. Quote Link to comment Share on other sites More sharing options...
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