Question about Cars & Trucks
Posted by Anonymous on
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Posted on Jan 02, 2017
You need to set all the pressures to 35 psi. first then drive for approx.1/4 mile. If this doesn't work to reset the light (keep in mind the code itself will still be stored even though the light goes off) you will need to take it to your Nissan Dealer to have it scanned as there may be a malfunction with the sensor. If faulty and you are under 36k miles then it should be covered under your factory warranty. Hope this helps.
Posted on Oct 17, 2008
check all the tire pressures first.... then drive it for the next 10-15 miles to reset it.... it worked in my frontier ... I had the same problem as well
Hope that helped
Nissan tech +6 years
Posted on May 06, 2009
I would think you found the low pressure port by now? But just in case most Dodge trucks I have seen have the low pressure port just above the compressor on the suction line. Of coarse leave it to Dodge to move it on some applications? Good Luck !
Posted on May 26, 2009
You find the AC low pressure at the top of the compressor, orientated toward you , facing the front of the
vehicle. You can also follow the compressor line to reach the port.
The valve is covered a plastic cap covering it.
Near the compressor you find two ports, the high port and low port.
To find out which one is the low port, run the air conditioner for a couple of minutes withthe engine on.
Then turn off the care and touch the lines from compressor to the two ports covered with plastic caps. Only one of the pipes will be cold, the cold line will lead you to the low port.
Posted on Jun 18, 2009
If by red lined you mean it went over the 250 psi range??
Assumiing that the answer is yes. This is what I think.
The Hi and Low pressure switches prevent damage to the compressor if the pressure is out of range.
Before going any further, check A/C Relay and fuse.
With the engine off, check pressure on both, Hi and Low. Both gauges must have same reading. It should be between 175-200 psi at about 80 degrees temp., if pressure is over that range, the Hi Pressure switch is preventing the compressor clutch to engage, gas needs to be removed by a qualifying A/C Technician.
If Pressre is between range, and both gauges read the same, start engine and turn compressor on, check gauges, The Low side should read about 38 psi and the Hi side should be between 250/275.psi.
Any more trouble shooting should be performed by a Qualified Tech.
Don't forget to rate this post!! Good Luck!!
Posted on Jul 20, 2010
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