over heating

A couple of easy things.

1st - It fills thru the pressure bottle, it is not an overflow and the cap must be tight, and good, to hold the pressure.

2nd - You need to use a 50/50 mixture of antifreeze, water alone ain't gonna cut it.

Rev

Rev Den said:

A couple of easy things.

1st - It fills thru the pressure bottle, it is not an overflow and the cap must be tight, and good, to hold the pressure.

2nd - You need to use a 50/50 mixture of antifreeze, water alone ain't gonna cut it.

Rev

Click to expand...

thanks

May want to do a search for overheating also.

there is so much information here that to try and cover everything would be chancing leaving something out. Let us know how the above goes, and if you have further questions...we are all here to help.

Rev

Funny stuff :roll:

redXJlimited said:

Funny stuff :roll:

Click to expand...

yeah thanks for the help really appreciate it

"btw... What does "mall-rated" mean?"... Apparently Jeep's new rating system for some of their new smaller suv's... LOL :laugh:

mattlh113089 said:

yeah thanks for the help really appreciate it

Click to expand...

Sorry, go to the Junkyard and grab a $2 radiator cap...

redXJlimited said:

Sorry, go to the Junkyard and grab a $2 radiator cap...

Click to expand...

For his Jeep that does not use a radiator cap?

Or do you mean a pressure bottle cap?

Junkyard?

You ARE kidding right?

Rev

Look on Ebay for the cherokee pressure bottle. theres a ton of em. usually around 15-20 $ and NEW...NOT from a junkyard.
If its the stock bottle in that 1990, its most likely leaking, and if not, itll be leaking soon. Down here with our triple digit summers,...these engines need all the help they can get. They are crammed in that little engine bay and will overheat if given the chance.
that bottle is a big issue. If the cap is leaking any pressure at all, the coolant system wont work properly.
You may want to consider a coolant system flush..or at least run some of the aftermarket cleaner thru it.Some believe in that stuff, some dont.
And like was mentioned before, you still need antifreeze/ COOLANt in there at 50/50. It does two things, raises the bioling point of the water, helping in summer, and loweres the freezing point, helping in winter.
If it still overheats after making sure the bottle is leak free and assuring you
have adequate coolant, you might need to check your thermostat and mabye water pump. Good luck. these summers can be harsh...I just put some louvers on my hood from a 280Z. I think itll help ..mabye too much

Make sure you use coolant as it will stop your engine internals from rusting. VERY IMPORTANT!!!!!

x2, also it has a lubricant inside of the antifreeze to ensure your water pump lasts longer!

ok thanks guys i really appreciate it