abp5

I have a 99 XJ with a leaking radiator so I got my csf 3 row in now. My question is there anything else I should check or replace while I have that part of the jeep disassembled other than the thermostat?

Rockfrog

How old is the water pump?
Hoses?

No better access to it all than there is when the rad is removed.

abp5

Not sure bought it used bought a year ago....there's non oem sealant around the water pump and thermostat housing so it's not the original one.

djb383

With the rad out, the fan clutch, stat and water pump can be replaced blindfolded.....too late now. LOL

Roler

Harmonic balancer if it has a good wobble. You will appreciate the extra room with the rad out...

Epk5150

If you are unsure of the age of everything then I would go ahead and replace it all if you can. I did everything in the cooling system except radiator and heater core for less than $150. Some of it may not have needed to be replaced but I like the peace of mind of knowing that such a vital part of my engines health is now new and shiny.

SteveMongr

^ X2
I also suggest to replace all cooling components and flush the heater core and engine block with water. The 3 row radiators are easily clogged due to the smaller passages. There is often 'crud' in the block that get caught in passages and block/restrict flow.
Also, when radiator is out, use compressed air to blow out debris that is stuck in the AC condenser.

Components to replace include, water pump and its inlet tube, heater hoses, radiator hoses, fan clutch, 195 thermostst. Use distilled water and antifreeze for the final fill, not tap water.

abp5

Ok great thanks for all the advice