Yes
no
No. one heater core, two airflow control doors. Called blend doors, very prone to breaking.
No.
Yes, they are both 5 on 5.
No. They are not interchangeable.
Your 2007 Jeep Grand Cherokee 16 inch aluminum wheels will fit on to the 2000 Jeep Cherokee Sport. Any wheel larger than 16 inches will not yet on to the 2000 Cherokee.
Probably engine coolant. The heater core is leaking coolant.
No.
No
The fog lamps are activated on a 2000 Grand Cherokee via the headlight switch. Pull the END of the lever OUT.
just splice the two heater hoses that go through to the heater core the together
where is the heater core at