Cat 300 running hot on gradea
In 90+ weather when pulling a long grade my 05 Bounder 34m with a 300hp Cat will run in the hot on the guage and the yellow light comes on, I will down shift and let up on pedal. When top of pull it c...
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Bob,
Have you replaced the thermostat(s)? After 12 years, may not be opening all the way.
BTW, Caterpillar calls them "regulators".
Pretty easy to replace from above after draining a gallon or two of coolant.
Have you replaced the thermostat(s)? After 12 years, may not be opening all the way.
BTW, Caterpillar calls them "regulators".
Pretty easy to replace from above after draining a gallon or two of coolant.
