A/C Troubleshooting

My 2011 Volvo 780 A/C won’t cool while idling but works fine when driving. Can I get some helpful input on this subject please???

When was the last time all the air filters were replaced?

Three months ago

Is there a filter behind the glove box, near the heater/ air conditioning system blower motor?

In many manufacturers, this is the location of the most difficult to reach filter. Therefore, it is the one not normally replaced.

Thanks I’ll look for it tomorrow

That filter is usually a beast, so it never gets changed. I got my current ride "Hannah" with 148,000 miles. At 165,000, I had the mechanics check it out when the A/C was not getting cold. It had never been replaced, and that was the fix.

Do a Google search for your truck year and model because it can be very in-depth to replace.