Nissan Repair Questions? Ask a Mechanic for Answers ASAP
you will need to remove the dashboard and drop the steering colunm to replace the heater core,,this is a pretty big job
this may help you
Please ACCEPT my answer so I can get credit for my work.i don't receive commission unless you do ..I'm not always going to be giving you good news,so please don't let this stand in the way of you accepting my answer.it does not cost you more money.we will still be able to communicate.. Bonuses and positive feedback are appreciated!if you are not satisfied with my answer,please do not leave bad feed back,i will gladly opt out and let another expert handle the question.if i have sent any diagrams,please print them.they will only stay on here for an hour or so.PLEASE ASK IF YOU NEED MORE HELP
REMOVAL1. Discharge the A/C system. ".2. Disconnect the two evaporator core refrigerant lines from the engine compartment side.Cap the refrigerant lines to prevent moisture from entering the system.3. Remove the glove box and mating trim.
4. Disconnect the thermal amp. connector.5. Remove the cooling unit.6. Separate the cooling unit case, and remove the evaporator.INSTALLATIONInstallation is the reverse order of removal.
Recharge the A/C system.Inspect system for refrigerant leaks. Refer to "Checking Refrigerant Leaks".