Coolant level low on display goes off all the time when I start my truck and when I start driving, why is that?
You might have to change your sensor on overflow bottle.
SOURCE: coolant level sensor bad warning comes on console
I have the same problem with my 97 Jeep. I found a fix on www.jeepforum.com posted by phild328, goodluck
SOURCE: coolant level sensor bad warning comes on console
Coolant sensor wiring would be the next place to look. Make sure connector is good, and look for broken wires.
SOURCE: my 2000 jeep grand cherokee is overheating
replace your cooling fan motor relay because if you dont eventually your radiator will explode and this will cause your engine block to crack and then if your fan isn't blowing the engine will continue to overheat and the engine will seize and then you need a new engine. A cooling fan motor relay is around $30.
SOURCE: where to replace coolant temp sensor for 1998 grand jeep cherokee
Check this image...
...in the Section ZJ-Secc-8D-Ignition-Systems (page 5, fig. 10 and 11).
Good luck.
SOURCE: I have 2001 Jeep Grand Cherokee Laredo and it is leaking coolant
Front drivers side could be a bad cap, lower hose or the radiator itself. You need to look carefully and find the leak source. Steam travels and isn't a good indication of where the actual leak is coolant will run down and take any path it can to reach the ground. Therefore, you need to follow it back to where it is coming from, then deal with it. Your water pump can also leak and run down the lower hose. there is a small hole in the pump behind the pulley. If you see coolant coming from there the pump needs to be replaced. Sealers will not work on hoses or pump leaks so don't bother using them for that.
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