What should the oil temp be on a Jeep Grand Cherokee?
Registered. Transmission is designed to operate at 174F and the engine oil temp between 190-210F.
What should the oil temp be in a Jeep Wrangler?
Mobil1 ESP 5w30 engine oil (which meets Chrysler MS-11106) has a flash Point of 254C which equates to 490F. The ASTM D4683-13 test HTHS (High Temp, High Shear rate) requires a MINIMUM temp of 150C (302F). This is the usual requirement for equipment manufacturers, so running oil temps of 257F with synthetic oils is not a problem :thumbsup: !
What’s the coolant temp on a jeep 5.7L?
On the 5.7L, the fan turns on full at ~224°F, its thermostat temp is 203°F, with good airflow through the radiator, like moving at some speed, it typically runs a few degrees cooler than the thermostat 203°F and very hot days or with heavy loads, it might run a degree or two higher than 203°F.
What should Trans temp be on Jeep Ram?
The Ram actually has a transmission heater to make sure the trans temp stays there or above. ZF’s Lifeguard 8 is a fully synthetic ATF… Most of the 8-speed transmissions here are typically running at 195-205 (average) when fully warmed up (which takes a while from starting to drive).
What’s the normal coolant temp for an engine?
Oil temps +/- 10-20°F of the Water Temp are pretty normal, at least for the 5.7L… …very cold ambients or very low load and the engine just warmed up, the oil might be cooler than water temp, very high ambients, very heavy load and the engine has been running at operating temp for hours, the oil temp might be higher than water temp….
Mobil1 ESP 5w30 engine oil (which meets Chrysler MS-11106) has a flash Point of 254C which equates to 490F. The ASTM D4683-13 test HTHS (High Temp, High Shear rate) requires a MINIMUM temp of 150C (302F). This is the usual requirement for equipment manufacturers, so running oil temps of 257F with synthetic oils is not a problem :thumbsup: !
On the 5.7L, the fan turns on full at ~224°F, its thermostat temp is 203°F, with good airflow through the radiator, like moving at some speed, it typically runs a few degrees cooler than the thermostat 203°F and very hot days or with heavy loads, it might run a degree or two higher than 203°F.
The Ram actually has a transmission heater to make sure the trans temp stays there or above. ZF’s Lifeguard 8 is a fully synthetic ATF… Most of the 8-speed transmissions here are typically running at 195-205 (average) when fully warmed up (which takes a while from starting to drive).
Oil temps +/- 10-20°F of the Water Temp are pretty normal, at least for the 5.7L… …very cold ambients or very low load and the engine just warmed up, the oil might be cooler than water temp, very high ambients, very heavy load and the engine has been running at operating temp for hours, the oil temp might be higher than water temp….