Failed water pump bearing.
First jack up the front wheels off the ground and check all suspension parts for play.
Yes, if the belt tension is not tight enough it won't spin the radiator fan due to slippage. Replace the tensioner pulley.
With two special tools, a slim 36mm wrench and a spanner to hold the pulley.
No, the XJ Cherokee does not have the same heater box as a WJ Grand Cherokee.
The grand Cherokee is a body style, sport is a trim package that is used on all jeep models(wrangler, Cherokee, grand Cherokee, patriot, ...)
The bearing in the water pump has failed and the water pump will need replaced.
What device is it attached to?
its a pulley fan, it never goes bad
First jack up the front wheels off the ground and check all suspension parts for play.
With a special tool available at most parts stores. The tool prresses the pulley on.
1.25 inch
Original pump would have a bolted on pulley.
Bad flasher?
02 sensor
It's referred to as Death-Wobble. That's a problem with your steering component's Have someone check your Tie rod, tie rod ends and drag link along with your hub barrings. The wobble will only get worse, to the point of going into the wobble in a curve.
bad heater core.
Yes, if the belt tension is not tight enough it won't spin the radiator fan due to slippage. Replace the tensioner pulley.