Question about Nissan Altima
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Posted on Jan 02, 2017
SOURCE: expansion valve location
raven 1g: Your car doesn't use an expansion valve. It uses a fixed orifice tube which is located in the smaller of the two A/C lines, just before they enter the cabin area of the car.
Just disconnect the line and pull the orifice tube out of the line. Be careful not to break off anything and leave it in the line.
Posted on May 10, 2009
Grand Am has an expansion valve. Link below has part number and picture of what you are looking for.
Unfortunately, I do not know precisely. But for the most part auto a/c's are all the same. Below I will describe how to find it. I have also included a aguide to determine system operability that may or may not be helpful. Just trace the system with flow path described below the valve has to be between condensor and evaporator.
Reminder the flow for the a/c system is :
1. From the compressor a high pressure (HP) gas goes to the condenser in front of the radiator.
2. From the condenser a HP liquid goes to an expansion device (orifice tube or expansion valve)
3. From expansion device the low pressure gas enters the firewall to the evaporator.
4. From evaporator the low pressure liquid/gas mixture goes through the dryer back to the compressor suction.
Below is a guide to troubleshoot and check system function. This can be done by most folks.
Look at the front of the ac compressor and have someone turn on the ac from inside the car. The front of the pulley(clutch) will spin when turned on.
If it does not spin, the low pressure switch (LPS) is not satisfied. Meaning there is not enough freon in the system to operate the system. Means low freon capicity because of a leak.
The LPS can be jumpered to cause the compressor to run (clutch to engaged) which will draw the freon in the system.
The LPS is usually a two wire sensor on the suction of the compressor. (between evaporator and compressor) Unplug the sensor and install a jumper, this will engage the clutch. Connect a new can of freon
and fill to system capacity.
The capacity of the ac system will be on a label under the hood, do not overfill. Probably about 2 lbs. Local parts stores (Auto Zone and Advance) will have freon with stop leak. This may help the leak. They also make a freon with a UV dye. I always add a single can with dye so that if stop leak does not work I can find the leak in the future.
The system should be filled until suction pressure is about 30 to 38 psi..
Posted on May 31, 2010
you're pcv valve is located on the valve cover on the front of the motor you will need to remove the hose going to it and pull the pvc valve out replace in reverse hope this helps you out sincerely D.Jones
Posted on Jun 06, 2010
SOURCE: i need to locate the
if its a po725 code its engine speed fault ,replace crank sensor.for vehicle speed there are two identical sensors near each other on trans....one called revolution sensor other is called turbine speed sensor.
Posted on Feb 06, 2011
You may have to remove the cover from the top of the engine to access the PCV valve. One side of the PCV Valve screws into the Valve Cover, and the other side has a rubber hose connected to the air intake. It is located on the right side of the valve cover.
Posted on Apr 02, 2011
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