SENDING UNITS, SWITCHING DEVICES AND WINTERIZATION KIT.
5-89. WINTERIZATION KIT ENGINE OIL HEATER THERMOSTAT MAINTENANCE (Continued)
C. OPERATIONAL CHECK (continued).
If after thermostat maintenance the heater
does not function properly, refer to DS/GS
as the oil pan will have to be removed for
service of the heater,
Follow-on maintenance required:
Reconnect vehicle batteries per para 5-37B.