Where is the low side service port on a R-134a?
R-134a Recharge hoses will only fit on the low side service port on all R1-34a vehicles and R-12 vehicles that have been converted to R-134a. If you don’t know where your low side port is you can try using our low side port finder.
How to find a car’s low-pressure service port?
You can easily recharge your car’s air conditioner with A/C Pro and get your car blowing cold air again. To do so, you just need to find the low-pressure A/C service port on your car. In this video, we describe how to find your car’s low-pressure port. If you need help, visit our online port locator: http://bit.ly/R1sGss.
Where is the low side service valve located?
The low side service valve is located in the line that runs from the compressor through the evaporator (firewall) and up to the condensor on the low pressure (suction) side of the system. R-134a Recharge hoses will only fit on the low side service port on all R1-34a vehicles and R-12 vehicles that have been converted to R-134a.
What should the pressure be on a Mercedes air conditioner?
Read the pressure in your air conditioner system. If the pressure is low the gauge reading will be in the white zone. If the pressure is normal then the gauge should be in the green zone. You should not have a reading on the HIGH / RED zone except when the car is turned off, in which case it is normal. Always keep the can UPRIGHT.
Where is the low pressure a / C port on a car?
If it’s the low-pressure service port, the connector will easily snap on and lock into place. This is the one and only place on the entire car where the A/C Pro connector will both fit and lock on. So, it’s literally impossible to mess up and put A/C Pro refrigerant in the wrong place.
R-134a Recharge hoses will only fit on the low side service port on all R1-34a vehicles and R-12 vehicles that have been converted to R-134a. If you don’t know where your low side port is you can try using our low side port finder.
How do I locate my low pressure port?
How do I locate my low pressure port? The low side service valve is located in the line that runs from the compressor through the evaporator (firewall) and up to the condensor on the low pressure (suction) side of the system.
The low side service valve is located in the line that runs from the compressor through the evaporator (firewall) and up to the condensor on the low pressure (suction) side of the system. R-134a Recharge hoses will only fit on the low side service port on all R1-34a vehicles and R-12 vehicles that have been converted to R-134a.
Can a 134a air group charger be used?
Charge with 134a between 70-80% of the original R12 charge amount. Note: Suction throttling valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible.
Do you need hot gas valve to charge 134a?
Charge with 134a between 70-80% of the original R12 charge amount. Note: Hot gas valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible. Ignore the sight-glass. A properly charged 134a system will likely show bubbles in the sight-glass.
Where is the suction throttling valve on a 134a GM?
Ignore the sight-glass. A properly charged 134a system will likely show bubbles in the sight-glass. Typical 134a charge rate will be approximately 70-80% of the factory R12 charge amount. The suction throttling valve is installed on the evaporator, near the firewall.
Charge with 134a between 70-80% of the original R12 charge amount. Note: Suction throttling valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible.
Charge with 134a between 70-80% of the original R12 charge amount. Note: Hot gas valve will need to be adjusted during the charging process to properly adjust the low side by-pass pressure to 20psi. Replace any O-rings with 134a compatible. Ignore the sight-glass. A properly charged 134a system will likely show bubbles in the sight-glass.
Ignore the sight-glass. A properly charged 134a system will likely show bubbles in the sight-glass. Typical 134a charge rate will be approximately 70-80% of the factory R12 charge amount. The suction throttling valve is installed on the evaporator, near the firewall.