Why does my AC turn on when I accelerate?
Typically this occurs due to a bad vacuum check valve under the hood. During hard acceleration the AC door system loses vacuum, causing the doors to default to the windshield. This check valve keeps this from occurring. It is located under the passenger side of the hood.
Does air conditioning affect acceleration?
Starting with the age-old question: YES, running your air conditioning will slow down your Volkswagen vehicle’s acceleration. Also, your ride slows down because your AC causes your RPM to drop, which hurts your acceleration (you want higher revs when you attempt to speed up).
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.
Where is the defrost unit on a Volvo?
This rear connection has been known to leak. Leaking Sound from Under Dash. That vacuum leak is almost certainly your floor/defrost diaphragm. It is on the left side of case just above the accelerator pedal. This diaphragm unit is double acting, i.e. it has vacuum to pull it both ways, blue hose for defrost and yellow for floor.
How long does it take to fix intermittent AC in a Volvo?
If the clutch has cooled down enough, it should then reengage without any issues. Do not fret, because an intermittent AC does not require purchasing an expensive compressor. On the contrary, it can easily be fixed in as little as 30 minutes with nothing more than basic tools.
How is the air conditioner in a Volvo?
The hoses that go towards the heating element are fairly warm. The air from the top dash vents is not very warm and even on position 4 the flow is rather weak. The middle vents are warmer and the flowrate is good. The flowrate below is nearly neglible and the temperature is just above 0 C.