Why does my Volvo vnl780 not get power?

Why does my Volvo vnl780 not get power?

There is no charge for this service, but standard message and data rates may apply. So low on 134 will make it not get power to the compressor? Yes the pressure switch sends power to energize the relay for the compressor. It’s a safety feature to keep from burning the expensive compressor up due to low freon.

How to remove pressure sensor from Volvo VNL?

That ring has to be pushed towards the valve to release the tension. On those pressure switches, the easiest way I found was to stick a flat screwdriver between the pressure switch and the ring and twist. Because they’re so close to each other, the screwdriver compresses the ring and pushes the switch out at the same time. Click to expand…

Where is the low side port on a Volvo VNL 780?

If you are wondering where the low side port of the AC is on a 2007 Volvo VNL 780, it sits on the firewall, right above the tappet cover, just left of the wiper motor. The port next to the radiator is the high side.

Why is my a / C not working on my Volvo?

I own a 2004 Volvo VNL780 with a D12. My A/C doesn’t work. I checked the plug going into the Compressor and there is no power to it. I used a jumper wire and the compressor worked. I have searched my fuse panel but can not find a fuse for the A/C. What and where would i look to find this problem? I am a new O/O so cash very low.

Where is the radiator on a Volvo vnl780?

The port next to the radiator is the high side. If you are using a small disposable recharge canister with R134a coolant and the seal is punctured by a using the pin screw, unscrew the pin (the pin only, do not unscrew the connector between the can and the hose or you’ll end up with a big mess) again after puncturing the seal.

What does this little light on my Volvo mean?

What does this little light mean? Notice a strange or unfamiliar light appearing on the instrument panel of your Volvo Truck? It could be a normal indicator light or it could mean a potential issue with your truck. Find the specific light you’re looking for within the icons provided below.