Flush out the heater coils. Disconnect the 2 hoses that go from the engine block labeled Heater that run from the front of the engine to the firewall. These are 5/8" hoses and a standard water hose repair female adaptor will fit nicely. Connect you water hose to this adapter and run clean water through the hoses until the water comes clean. Remove the adapter and connect the hoses back. You should bet very hot air back again.
This is caused by a faulty heater core that has corroded and now has a leak. It needs to be replaced.
The heater inlet hose on a 1999 Jeep Wrangler 4.0L is located in the left, rear of the engine compartment. It connects directly to the heater core which circulates heat throughout the cabin.
heater core, tough job.take it to a qualified auto technician
Sorry bad news Your heater core has a leak
they are on the front panel, left of wheel and right of passenge airbag, really small looks like the vents
could possibly have a rodent or rodent nest inside the heater box.
A 1999 Jeep Wrangler has a timing chain.
It should. A 2005 wrangler hardtop fits a 1997 wrangler.
mostlikely the jeeps been off road and mud and grass, or muddy water got to your heater core area,letting the smell airgate through out your heater when turned on.
You will be better off if you buy a service manual or borrow one from a library. You have to drain the freon, remove the entire dash, remove the heater/ac housing, and dissassemble the housing to access the heater core.
Not exactly. The body styles are different. A 1991 Jeep Wrangler is a YJ as a 1999 is a TJ. t
It's coming out of the vents. Dust settles.. if you don't use your HVAC system for a while, it'll settle and accumulate in there, as well.
Low coolant. If the coolant is low then the heater core is not able to transfer heat in to the car.
I know you must take the dash out and heater box. Make sure you hook all lines back up correctly or your vents won't work correctly. Good Luck and know that you'll be in for a LONG day!
NO, you will waste your time and money.
When there is a problem in the vent system it defaults to defrost setting. Check the doors & vac supply
Instualation of a heater core on a 1999 Ford Explorer V6, how do you install the heater core.
Leaking heater core. It will need to be replaced.
A 1999 Jeep does not have a cabin filter.