And carry a a gallon of distilled water with you, and keep an eye on rad level. Remove components that block access to removing heater core. Install and reconnect heater core. Look under the hood on the firewall where the two heater hoses go in-any sign there of a hose leaking? Detailed Note: Some aftermarket heater cores require that the inlet and outlet hose connectors from the old core be removed and reinstalled on the replacement heater core. They run along the passenger side of the engine as well.
I have taken apart quite a few dashes and instrument panels and even put a couple back together , believe me, it is not for the faint hearted. Unfortunately there is no easy way to replace the heater core. To check this area the wipers and plastic trim parts have to be removed. This part is also sometimes called Nissan Frontier Heater Cores. Because extremely hot coolant is flowing through the device just a few inches away from your legs, a working Nissan Frontier Heater Core is indispensable.
Wait a bit and see what somebody here comes up with. The heater core itself is far forward in that box. Don't plan any Tahoe trips. Another possibility is the heater hoses. Has enough leaked out yet that your coolant level in the radiator is low? The heater core may be plugging up.
If it is coolant, feels slippery and smells like it? At ten degrees, a weak coolant could result in freezing and that can cause an engine freeze plug to burst open. If you have a coolant leak, and if your cabin isn't getting warm, check your heater hose. . I have had this problem before and this cured my problem. Posted on Mar 14, 2009 Well Terry.
It can be reset through the use of the ignition key switch. Read it and see if you want to do it-on some cars or models, it is easy, there is a cover plate to remove and then slide the core out. Next check the return line from the heater if it is still cold or moch cooler than the inlet, the most possible problem is the heater water control valve if this model has one or possible the core of the heater is plugg with slime cause by some antifreezes setting during the summer months while not being used. If it leaks you may smell coolant inside the passenger compartment. The thermostat housing will be at the motor end of the upper radiator hose where it attaches to the motor.
Since one end of the hose goes to your cabin, you could see leaks at the back of your engine compartment. Check the heater hose coming out of the manifold and see if it is warm to hot. Your local library might have some repair manuals where you could find the procedure for your Frontier. This view is looking forward from the center console area. Now that winter is approaching, I need to actually fix the problem.
Like all hoses, heater hoses and fittings can wear out over time. The airbag warning light on the instrument cluster was flashing after reassembly. These estimates show a range of fair prices for your vehicle and geographic area. They are available for the following Nissan Frontier years: 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 14, 13, 12, 11, 10, 09, 08, 07, 06, 05, 04, 03, 02, 01, 00, 99, 98. Includes rust and corrosion inhibitors.
There's a post on it here in the Nicoclub forums. A few weeks ago it started showing the telltale signs of a leaking heater core. Plug the heater core tubes to avoid spilling coolant in the passenger compartment during removal. If it does have the cooling system flushed to remove the rest of the contaminates from the cooling system. The warm coolant in your heater core provides heat for your vehicle's cabin. The water pump has a small hole in the bottom where the shaft comes through, when the water pump gets worn it will leak here so you know to replace the pump.