Thermostat Problems
#11
#14
all of them do what??? a slight temp fluctuation can be normal but i think most of us have observed a condition where the therm seems to be stuck open or opening way too soon but so far...2 weeks and counting the stat i bought from dodge dont know part# but was in a cummins package has been working ok. i seem to remember something about the rubber coating on the back side coming apart and making the stat more sensitive to temp and this concern has been resolved with an updated part some time ago.
#15
#18
Dodge TSB...
Date: Jul. 7, 1994
Models: 1994 - 2001 (BR/BE) Ram Truck
NOTE: THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 5.9L CUMMINS DIESEL ENGINE.
Symptom/Condition:
The vehicle nay not warm completely, especially in cold ambient temperatures. This condition may be due to a thermostat that is stuck in the partial open position by debris in the cooling system.
NOTE: THE COOLING SYSTEM USED ON THE CUMMINS DIESEL ENGINE EQUIPPED VEHICLES PROVIDES THE CAPACITY AND PROTECTION OF THE HIGHER GVWR AND GCWR RATINGS AVAILABLE ON THESE VEHICLES. OWNERS SHOULD BE ADVISED OF THE NORMAL SLOWER WARM UP AND LOWER ENGINE OPERATING TEMPERATURES ASSOCIATED WITH DIESEL ENGINES.
THE COOLANT TEMPERATURE GAUGE WILL FLUCTUATE ON DIESEL ENGINE EQUIPPED VEHICLES. IT IS INFLUENCED BY VEHICLE LOAD, OUTSIDE AMBIENT TEMPERATURE AND EXTENDED IDLE TIME. THIS FUNCTION IS CONSIDERED NORMAL
GAUGE FLUCTUATION WILL BE NOTICED MOST OFTEN UNDER STEADY STATE (HIGHWAY) DRIVING USING THIS THERMOSTAT (P/N 4796869). PLEASE ENSURE THAT YOUR CUSTOMER IS AWARE OF THIS NOTE PRIOR TO RELEASING THE VEHICLE.
read more about it here...
TSB 07-07-94
Date: Jul. 7, 1994
Models: 1994 - 2001 (BR/BE) Ram Truck
NOTE: THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 5.9L CUMMINS DIESEL ENGINE.
Symptom/Condition:
The vehicle nay not warm completely, especially in cold ambient temperatures. This condition may be due to a thermostat that is stuck in the partial open position by debris in the cooling system.
NOTE: THE COOLING SYSTEM USED ON THE CUMMINS DIESEL ENGINE EQUIPPED VEHICLES PROVIDES THE CAPACITY AND PROTECTION OF THE HIGHER GVWR AND GCWR RATINGS AVAILABLE ON THESE VEHICLES. OWNERS SHOULD BE ADVISED OF THE NORMAL SLOWER WARM UP AND LOWER ENGINE OPERATING TEMPERATURES ASSOCIATED WITH DIESEL ENGINES.
THE COOLANT TEMPERATURE GAUGE WILL FLUCTUATE ON DIESEL ENGINE EQUIPPED VEHICLES. IT IS INFLUENCED BY VEHICLE LOAD, OUTSIDE AMBIENT TEMPERATURE AND EXTENDED IDLE TIME. THIS FUNCTION IS CONSIDERED NORMAL
GAUGE FLUCTUATION WILL BE NOTICED MOST OFTEN UNDER STEADY STATE (HIGHWAY) DRIVING USING THIS THERMOSTAT (P/N 4796869). PLEASE ENSURE THAT YOUR CUSTOMER IS AWARE OF THIS NOTE PRIOR TO RELEASING THE VEHICLE.
read more about it here...
TSB 07-07-94