Register
Search
Help
Climate Control, AC, Pollen Filter, Evap, Heater Core
AC Recharge Basics – What’s Too Much PSI?
R-22 should NOT be used in a R-134a system. It may damage the compressor. R-22 is a high pressure refrigerant; R-134a is a low pressure refrigerant. Continue reading
Complete Guide to Fixing 850 AC/Evap/Heater Controls
Climate Control, Evap., fixes w/ parts list Continue reading
Installing 850, S70, V70, XC70 Cabin Air Filter
It’s possible that it has been replaced but I don’t ever recall having this done.
This car was service by Volvo regularly up until 2008 when they gave us a $3500 list of
things required to pass inspection. I’m starting to realize I can do many of them
for a fraction of the cost (not fraction of the time) with help from this site. I will
have to look through my very large pile of Volvo dealer invoices. Continue reading
ECC Climate Control Temp Sensor Measurements Made Easier
I’m in the process of trying to figure out why the ECC climate control system on my ’97 855 GLT (158k miles) is unhappy and blinking its AC and REC lights at start up. As best I can tell the system functions as intended: AC is cool, fan blows normally, temperature tracking seems ok, position knobs for upper and lower vents direct the air properly, the recirculation switch makes the damper move into recirculate mode, etc. I’m just going through the system checking out components to try and find one or more that isn’t working right. Continue reading
AC Takes Sweet Time to get Cold in Volvo XC90
“My AC now takes a little bit to get cold when I turn it on. It never used to do that. I have checked freon level at the low pressure port and it tells me the level is at its … Continue reading
XC90 Recharging Air Conditioning Tips
Summer is right around the corner here in North America. Here are tips and instructions on how to recharge AC refrigerant on a Volvo XC90 from extremely knowledgable MVS forum member Jimmy57. “The low side is on line in front … Continue reading
S80, V70 (2001+), S60, XC90 Blower Motor Repair Tutorial
I’ve had trouble with my interior climate control blower fan squealing at startup, more persistently when it’s cold out. The problem has become more frequent over the past year, so I finally decided it was time to replace the blower … Continue reading
Volvo 850 Heater Core Replacement Tutorial
Tutorial: Replace the heater core on a 1993-2000 Volvo 850, S70, V70, C70 and XC70 This post should apply to all 850s and first generation 850, S70, V70, C70 and XC70 Volvos. I chose to go with showing how the … Continue reading
AC System Moisture Stops Cool Air on 2002 V70
P2 Volvo (2002 V70) We have now had some days where the temperature is 25-30 degrees Celsius and the air con is now ice cold , so I can only assume that there was moisture in the system which was … Continue reading