How do I add freon to a Nissan Frontier Crew Cab 2001?

Asked by secharls Mar 08, 2008 at 03:10 AM about the 2001 Nissan Frontier 4 Dr SE Crew Cab SB

Question type: Maintenance & Repair

Got No heat....went and bought Freon from local auto parts store and

i screwed the blue cap on the front of the engine but the connectors

won't go in?  Do i need a special connector? or is it another

connection i need to be looking at?   Also, my fan only turns on

high....low and medium do not work...any ideas?

Thank you,

2 Answers
14,125

casper271 answered 16 years ago

For the fan setting, you need to replace the fan resistor (easy and fairly cheap job) But my other question is, If you got no heat, why would it be the freon? Freon is for the a/c unit. If you have no heat in the car it could be a thermostat or heater core. I am not sure I read this part of you question right.

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littlehorn answered 16 years ago

You were probably trying to add the refrigerant (it's not freon anymore) to the high-side service port. It has to be added to the low-side port. Please don't do this yourself, you will likely cause more damage. If you overcharge the system you risk compressor failure and other problems.

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