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  1. M

    A/C Evap core freezing and hissing noise

    So for ambient temperature (atmospheric temperature)= 90F the high side will need to be ~250-270psi and low side ~45-55psi i guess there is a restriction which is why you are asking about static pressure as a definition in liquid/gas? Or are you referring to airflow for HVAC terms? Cause there...
  2. M

    A/C Evap core freezing and hissing noise

    It was at 100psi
  3. M

    A/C Evap core freezing and hissing noise

    So i just checked to see if the expansion valve is sticking and its not. When i turn off the AC, both the low and the high side equalize. I checked low side pressure while AC on and it reads 35psi. The AC compressor is cying on and off like it should. I added a little more freon and low pressure...
  4. M

    A/C Evap core freezing and hissing noise

    No i did not replace the drier. The drier is integrated in the condenser which means i would have to replace the whole condenser. When i pulled the vacuum there was no leak down. It stayed in vacuum for 1 hour. I havent got to check if the expansion valve is stuck. The ac system isnt that hard...
  5. M

    A/C Evap core freezing and hissing noise

    I have a 2011 1500 with a 4.7L. I replaced my evaporator core a couple years ago due to a leak and also replaced the expansion valve. After a good vacuum and recharge the AC worked good up until recently. There has been a hissing sound coming from the passenger side underneath the glove box...
  6. M

    2011 Ram 1500 P0933 code

    I know this is a very late update but I have fixed the issue with the DTC. I found that the power wire from the ECM to the male connector that plugs into the hydraulic sensor at the back of the transmission was not reading any voltage. Also there was no continuity. Since it was a hassle to...
  7. M

    2011 Ram 1500 P0933 code

    UPDATE: I still cannot figure out why this DTC is still haunting me. It has been a while since I messed with the truck due to work scheduling. I have not taken the pan off the transmission yet to check the filter. Also, there is no more hard shifting through gears anymore, specifically...
  8. M

    2011 Ram 1500 P0933 code

    Still having the same issue. Now later from the time i posted this issue, im noticing the transmission slipping a lil when shifting from 1st to 2nd. Any help??
  9. M

    2011 Ram 1500 P0933 code

    so yesterday i was able to change out the line pressure transducer. Went to the deal and bought a brand new one. I reset the code by taking off the negative cable from the battery. Took the truck out for a drive for about 10 minutes and no light. I turn the truck off when i get back home...
  10. M

    2011 Ram 1500 P0933 code

    Thank you cherryred. You have been a big help. I will change out the line pressure sensor asap and update soon.
  11. M

    2011 Ram 1500 P0933 code

    Wow thats a long troubleshooting procedure. Sucks that i dont have the necessary tools to perform this otherwise i would. Thanks for the information! I did check all connections going to the tranny and nothing seems to be lose or damaged. I even looked inside the male and female plugs that i...
  12. M

    2011 Ram 1500 P0933 code

    I checked the fluid level this morning and its good. The pressure sensor range/performance is whats coming up. Is this the sensor in back of the transmission by the driveshaft on the passenger side??
  13. M

    2011 Ram 1500 P0933 code

    Hi everyone. Im new to this forum and what better way to do a inteoduction through a issue post lol. Well the check engine light came on a couple weeks ago and i recently got the code from a scanner from autozone. The code is P0933 hydraulic pressure. Ive been searching everywhere on what to...

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