Why does my Volvo S40 blow hot air?

My 2006 Volvo s40 will only blow hot air. When the issue first started the A/C would work for a while and then slowly turn to hot air. If you parked the car, turned the engine off and back on the A/C would work again for only a little while. First time I took it to the dealer while it was under warranty and they said it needed a software upgrade.

Are there any problems with the air conditioning in a Volvo?

The Volvo Repair Database has a section dedicated to this stuff: AC and other climate control problems/fixes. Also see MVS posts with the Volvo air conditioning tag. These do overlap.

How to recharge a Volvo S80 AC compressor?

[ Recharge Volvo S80 AC] A good forum thread on compressor cycling, recharging and pressure… [ Compressor cycling, recharging and pressure] Another good How To on recharging the refrigerant yourself. Cool Zone #390 complete recharge kit” I bought from autozone $48 bucks, it has 3 cans of refrigerant they each have the charge…

Why is my air conditioner working backwards on my Volvo?

The heater water valvehas a blockage restricting flow and may be in need of replacement; You have a vacuum leak which causes the heat vent control to work improperly; Your firewall-side heater water valve was installed backwards; The arrow on the valve points to towards the firewall inlet, not back towards the engine.

Why does my Volvo S70 have no AC?

Symptoms on my 1997 S70 was either there was a quick fan blow, everything stopped then the two lights flashed for 20 secs or nothing happened the two lights just flashed, no A/C and no fan. I took it to the dealer for a very expensive repair close to 700 dollars and the fix was a fan motor drawing excessive current.

How to Shim the AC clutch on a Volvo S60?

Here’s how to shim the AC clutch on an S60. Here’s how to shim the AC clutch on an 850, V70/XC70 up to 2000, S70, or C70. Do not use the high pressure port that is right up front above the radiator. That’s the high side for shops with pro AC refill equipment. Instead, move a couple items out of the way and use the AC low port.

What to do when your a / C is not working in your Volvo?

A quick way to confirm compressor clutch failure is to manually turn the AC on and off. Once the AC clutch obviously disengages itself and begins blowing warm air, turn off the AC with the button on the center console. Give the clutch a few minutes to cool down before turning the AC back on.

What to do when your car’s AC starts blowing warm air?

Once the AC clutch obviously disengages itself and begins blowing warm air, turn off the AC with the button on the center console. Give the clutch a few minutes to cool down before turning the AC back on.

When does the a / C start off cold then blows warm?

A/C starts off cold then blows warm. The a/c starts off cold and within 5-10 minutes the air is coming out luke warm. I shut it off for 5 minutes and turn it on again and it blows cold for a few minutes. It will blow cool when the weather is cool. When the temp outside is above 70 the above cycle continues.

Why is my air conditioner not working on my Volvo?

Read below for instructions on recharging your Volvo’s AC. When the AC clutch doesn’t meet the belt correctly you’ll have similar symptoms to low refrigerant charge… warm air, revs dropping every 10 or 20 seconds, etc.. Here’s how to shim the AC clutch on an S60.

Where does the air conditioner recharge on a Volvo?

Per VADIS, the A/C system should be recharged on the high side. Finding this to be not only odd, but dangerous, I recharged my system on the low side (port is underneath the power steering reservoir).

How can I tell if my Volvo heater is bad?

Start up the car from a cold start and feel the heater hoses as it warms up. They should start out cold and warm up at the same rate as the water in the engine block…

When do you need a Volvo AC heater?

When it’s -15 degrees below zero (celcius) you really need a working heater. At the moment the heater supplies little to no heat at all. The AC seems to work normally supplying cold air and removing humidity.

What to do if your Volvo S40 has a leak?

When the air conditioner in your 2005 Volvo S40 starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant.

How to add refrigerant to a Volvo S40?

Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. The A/C system in your S40 consists of a compressor that is belt-driven, an evaporator and freon.

How to fix intermittent a / C in a Volvo?