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Originally Posted by me and my metro
I work for an electric utility. The 2008 and newer small bucket trucks have a 12 volt oil heater in the hydraulic oil reservoir. The trucks also have a thermostat in the tank so my drivers just leave the switch on year round. The heater has a 30 amp breaker on the circuit. The heater looks like the one in post 9.
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This sounds like a good solution for
tsb 07-01-89
Quote:
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At ambient temperatures of -10° F or lower subject model vehicles equipped with auxiliary transmission coolers (NHB) sales code, when driven at highway speeds, may begin losing transmission fluid. This fluid loss is due to the transmission oil cooler "freezing" and restricting oil flow through the system, resulting in overheating of the fluid in the transmission case
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And would alow more time in OD