2000 Chevrolet Suburban Owner's Manual - Page 161
2000 Chevrolet Suburban Manual
Page 161 highlights
The following situations can cause the transmission to operate at higher temperatures: LOW COOLANT This message is displayed when the cooling system is low on coolant. D D D D D D Towing a trailer Hot outside air temperatures Hauling a heavy load Low transmission fluid level High transmission fluid level Restricted air flow to the radiator and the auxiliary transmission oil cooler (if equipped). The engine may overheat. See "Engine Coolant" in the Index and have your vehicle serviced as soon as you can. A temporary solution to hotter transmission operating temperatures may be to let the transmission cool down. If the transmission is operated at higher temperatures on a frequent basis, see "Scheduled Maintenance" in the Index for the proper transmission maintenance intervals. CHECK COOLANT TEMP This message is displayed when the cooling system temperature gets hot. Check the coolant temperature gage and the coolant level. See "Engine Coolant" and "Engine Coolant Temperature Gage" in the Index. See "Engine Overheating" in the Index for further information. 2-85
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