What is the operating temperature of a Jeep Grand Cherokee?
Most people report normal operating temperatures to be around 195-210 but anything over 210 as being bad. The 4.0 is designed to run @210. They do get up to temp quickly and generally stay right there unless there is an issue like a bad water pump or cooling fan dying.
What does transmission over temp mean on 2007 Grand Cherokee?
My 2007 Grand Cherokee 5.7 indicates “Transmission over temp” It happened just after it was serviced and got new transmission oil. The oil level is correct and the transmission works fine. It also came on while the car idle and not even moving. The computer was reset and cleared of any fault codes but it comes on.
What should the temp be on a Grand Cherokee?
The temp in the gearbox goes up to about 60. Then suddenly jumps to 130 deg and then the warning light and fan comes on. If you switch off and start again the warning is gone and the temp is back to 60. My next step will be to replace the sensor in the gearbox. My next step will be to replace the sensor in the gearbox.
How does the transmission work on a Grand Cherokee 5.7?
The 3.0 CRD and 5.7 has the same Hydraulic fan. They have it to increase cooling while towing. So a signal gets sent from the Front Control Module. It checks, Engine Coolant temperature, the Aircon system pressure and finaly the Transmission temperature. The fan increases/decreases speed depending on these temps.
How does the 3.0 CRD work on a Grand Cherokee?
The 3.0 CRD and 5.7 has the same Hydraulic fan. They have it to increase cooling while towing. So a signal gets sent from the Front Control Module. It checks, Engine Coolant temperature, the Aircon system pressure and finaly the Transmission temperature.
Is there a problem with my Jeep Grand Cherokee?
Very often, this will solve the problem. But Jeep Grand Cherokees seem especially prone to more serious transmission problems, and some owners are quite vexed at their inability to determine the causes.
What’s the Flash code on my Jeep Grand Cherokee?
Code 26 – Governor Pressure Sensor Offset Drift Code 55 – End of Message You may or may not be skilled enough to actually fix the problems indicated by the flash codes yourself, but you’re better-armed with an understanding of where the issues lay as you seek help from a mechanic.
How can I tell if my Jeep Grand Cherokee is shifting?
Turn ignition key ON and OFF three times, finally leaving the key in the ON position. Leave the Overdrive Off Switch in the normal overdrive (ON) position. Immediately begin counting the number of flashes displayed by the Overdrive Off Switch indicator lamp. There will be two sets of flashes, separated by a pause.
When does the Trans temp and OD light come on?
Transmission Temperature light only comes on when the transmission has reached the operating limits and tells the temp sender to send a warning. The OD light is the Over Drive light. There may be several reasons causing the Trans. Temp light to come on.