Is my Cherokee a "1999.5" and brake-related stuff

Hey guys... I'm getting everything sorted out with my '99 Sport from the previous owner. Tires done, shocks done, BPEs eliminated. Now I need to get these brakes done before moving on to whatever this guy did to the A/C.

So, my date of production is 5/99. This is early in the calendar year, but is May of 1999 considered 1999.5 of the model year?

The big issue I'm having right now is figuring out my brakes. In the rear, I don't have cooling fins, and they are rather small. So I have already determined that I have the 9" drums. But in front, I'm not so positive. I stuck a tape measure (and my cell phone) inside my wheel and took a picture of the height of the rotor hat. 2 1/8" from the disc surface to the top of the hat.


Now this would point to me having the cast brakes, correct? When I look it up on Rock Auto, it gives me these miscellaneous options such as "78mm tall" vs "82mm tall" and "2 3/4 mounting height" vs "2 31/32 mounting height." I read that the composite rotor should have a 2 1/4" hat height, but is it shorter overall? I could use some help with this.

Read all about it in the FAQ's >>> http://www.naxja.org/forum/showpost.php?p=245269210&postcount=22

Simply order rotors or hubs by either 1998 or 2000 as required based on what you measure/observe on your XJ after reading the FAQ.


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Tim_MN said:

Read all about it in the FAQ's >>> http://www.naxja.org/forum/showpost.php?p=245269210&postcount=22

Simply order rotors or hubs by either 1998 or 2000 as required based on what you measure/observe on your XJ after reading the FAQ.


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Click to expand...

This hat height comparison chart plus the mention in the link of the composite rotors having a round edge vs the 90 degree hat corner pretty much confirms that this is the 1999.5 cast model, thanks.