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.
Where is the vacuum valve on a 1990 Volvo?
Vacuum Check Valve Failures. [Inquiry] I have a 1990 760T and the H/AC is losing vacuum during low vacuum and during boost from the turbo. There is a tee above the intake that has two black & white fitting that connect to two smaller hoses that go to the fire wall.
When did Volvo start using self diagnostics on cars?
General Notes on On-Board Diagnostics in Volvo RWD Cars. Volvo started using self-diagnostics on its Bosch LH 2.4 engine management systems in 1988 on 700 series non-turbo cars and in Regina-equipped cars. Earlier Bosch LH 2.2 and Turbo cars until 1990 had very limited self-diagnostic capability using an LED tester.
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.
How long does intermittent a / C last in a Volvo?
However, if the clutch has worn down a significant amount, it will have a hard time reengaging once the friction contact surface becomes hot. When the AC first begins intermittent failure, it may function properly for as long as 30 minutes before cutting off. But as the clutch wears further down, this time span decreases.
What’s the problem with my 1993-2000 850 S70?
All 1993-2000 850, S70, C70 and V70 models (as well as most 2001 2008 S60, S80, V70 and XC 90 models) use a plastic gas cap door hinge that commonly fails at around 60,000 miles or so. Not the end of the world, but it does leave your gas door hanging from the side of your Volvo, which doesn’t look too cool and is not good for the paint job!
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.
How can I Fix my air conditioner in my Volvo?
If you have a question about your Volvo’s air conditioning, please become an MVS member (free!) and post it to the correct area of the Volvo Forum. If you want to contribute your AC-related fix or experience, please go to the relevant forum and click the NEW TOPIC button and write what you know.
What are the symptoms of a Volvo transmission problem?
Volvo transmission problem symptoms vary. A complete list of possible symptoms includes: Hard shifting between gears or hard downshifts. Volvo does not move when placed in Drive or Reverse. The engine revs up before going into the next gear. Transmission stuck in gear. Common fault codes are TCM-002A, TCM-002B, P0733, P0734.
Is it safe to drive a Volvo with an automatic transmission?
If you are experiencing problems with your Volvo transmission, take a minute to become familiar with these problems. Volvo makes some of the safest cars on the road, but on the other hand, Volvos are known to have problems with their automatic transmission.
Where is the low pressure line on a Volvo 850?
It is located on the passenger side of the engine compartment near the radiator and is marked with a “ 70NM ” [ Volvo 850 Low Pressure Line] The best photo documentation on how to get to the Volvo 850, S70 and V70 evaporator, period: Changing an Evaporator Core – in Pictures
How to Shim the clutch on a Volvo 850?
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.
How to diagnose a Volvo heater problem?
The heater core is much smaller than the engine-cooling radiator in front of the engine. read on to learn more about how to replace a faulty heater core in a Volvo. First diagnose the problem: is the heater core the prime suspect?
What is a heater core on a Volvo?
A volvo heater core is a small radiator (matrix) that transfers heat from the engine-cooling system to your car’s air heating/ventilation system. The heater core is much smaller than the engine-cooling radiator in front of the engine. read on to learn more about how to replace a faulty heater core in a Volvo.
Why does my air conditioner keep blowing cold air?
As we approach the summer months, air conditioner use becomes a daily ritual; discovering that the AC functions intermittently could be devastating. When an air conditioner begins to fail, the most common thought is that the AC needs a refrigerant recharge. However, low refrigerant is not the cause for an AC which intermittently blows cold air.
Why is the cooling fan on my Volvo not working?
The cooling fan module is supposed to cool the car parts when they get too hot. They do this until the temperature comes down to normal levels. If your cooling fans do not stop even after the temperature has been regulated or even when the car has been switched off then it is probably faulty and needs repair.
When do I Turn Off the blower on my Volvo?
The last 2 days about an hour after I arrive home from a 40 min back road commute, I’ve noticed that the blower on my 2000 Volvo S80 (heater/AC) fan is running. When I put the key in and move it to the first position and then off, it turns the blower off.
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 much refrigerant is in a Volvo Car?
Volvo refrigerant filling quantities R134a an 1234yf. Volvo refrigerant filling quantities R134a an 1234yf. Volvo refrigerant filling quantities R134a an 1234yf. Volvo refrigerant filling quantities R134a an 1234yf.
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 does my air conditioner clutch keep cycling?
Being a wearable item, the compressor clutch is slowly being worn away during AC operation. Even when you have the air conditioner cranked to max, the clutch is still cycling between being engaged and disengaged.
What does it mean when your AC is running but not Cooling Your House?
Your thermostat is switched to ON. If your thermostat switch is set to ON, that means the blower will run constantly—even when your system isn’t cooling your home, which will result in warm air blowing from your vents. How to fix it: Switch your thermostat to AUTO (see image below), so air only blows from your vents when the AC is cooling.
How to fix intermittent a / C in a Volvo?
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. If the clutch has cooled down enough, it should then reengage without any issues.
Why is my car AC not blowing cool air?
It’s a nightmare to find your car AC not blowing cool air in burning summers. But, people generally face this issue. Your car includes various parts that are interconnected with each other. Therefore, even if you have recharged the AC of your vehicle, the issue in other car machinery can affect its working too.
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.
Why is my Volvo heater not working properly?
If it moves at all once the car has been running for at least 10 minutes or it doesn’t get to the “horizontal” position, the most likely problem is that the thermostat has failed. This is an easy item to replace. There is a guide somewhere on this site on how to do it on one of the drop down menus.
Why did my Volvo PCV system stop working?
Volvo’s is one of the more complicated systems, and over time they inevitably clog up and stop functioning correctly.
How long does an intermittent air conditioner last?
When the AC first begins intermittent failure, it may function properly for as long as 30 minutes before cutting off. But as the clutch wears further down, this time span decreases. Depending on how long this problem has existed, the clutch may only remain engaged for the first few seconds before it slips and disengages the air conditioner.
Why does my 2005 Tahoe blow hot air?
My 2005 Tahoe hava AC giving hot air problem. AC would suddenly blow hot air just on the driver’s side while the passenger side still blew cold. The only way to correct it was to turn the car off and back on and then it would immediately start blowing cold again. This happens intermitently.
Why does my AC suddenly start blowing hot air?
I have a 2004 Yukon with 160000 miles and about a year ago the AC would suddenly blow hot air just on the driver’s side while the passenger side still blew cold. After a few weeks it then stating blowing hot air on both sides. The only way to correct it was to turn the car off and back on and then it would immediately start blowing cold again.
What causes brake pulsation in Volvo S90?
960 Brake Pulsations 960 Driveline Noise: Failing Grease Seal at Rear of Driveshaft Removing the Camshaft Position Sensor Oxygen Sensor Code in 960 OBD-II Scanner for 96+ 960/90 Cars 960 Fuel Tank Hose Failure 960 Air Conditioning Failure Points
https://www.youtube.com/watch?v=AuFWqFwYSmE
Why are the cooling fans not working on my car?
1. Engine running hot 2. Cooling fans do not function 3. Cooling fans stay on at all times Average rating from 129,472 customers who received a Vehicle Engine Cooling Inspection. Most modern vehicles use electric cooling fans to help pull air through the radiator so that it can keep the engine cool.
Where is the air filter on a Volvo S60?
Feel around on the top of the box, toward the left side of the box. Once you locate the tab, push it down and pull back on the box. With the box free of the tab, it can be pulled out and set aside. With the cabin air filter now accessible, remove the airbox cover by pushing back on the three clips.
Where are the fuses in a Volvo S60?
The 2005 Volvo S60 have four fuse boxes: A – Relays/ fuse box in the engine compartment B – Fuse box in the passenger compartment, on the edge of the dashboard C – Fuse box in the passenger compartment, behind plastic cover D – Relays/ fuse box in the trunk
What are the most common problems with 1993-2000 Volvos?
All 1993-2000 850, S70, C70 and V70 models (as well as most 2001 2007 S60, S80, V70 and XC 90 models) use a complicated crankcase vent system to prevent the build u of pressure inside the engine. Since the mid 70’s Volvo owners have had problems with this system clogging up with oil deposits.
Can a 2001 Volvo Xcountry wagon turn over?
2001 volvo: 5th..turn over, but stalls in about 3 seconds. I have a 2001 volvo xcountry wagon. the car will, periodically, perhaps every 5th or 6th time not start. it will turn over, but stalls in about 3 seconds.
Why does my AC blow cold and then warm?
Anytime I give it a cold start, the ac works like a champ for the first 5 minutes, then it just goes warm for the rest of the time. If I turn it off to go into a store or something, it’ll still blow warm, only gets cold again if it’s off for a while.
When to turn on the AC for cold air?
On a hot day with the car baking in the sun, when you turn on the engine and subsequently the AC, you should get cold air for a good 30 min before the desired cabin temp is reached. Note: if you leave the temp setting too high, you make be toggling the heat to come on.
How can I test my Volvo ECC unit?
The ECC unit has very sharp edges, so use some protection when ejecting the unit and handling. To access the inside you have four screws to remove. Two screws on each side. Some have used use a 9 volt battery on the two solder lugs at the far edge of the circuit board to turn on the motor for testing.
Why do I get flashing lights on my ECC unit?
The grease is from the gears in the reduction system, and must have gotten on the contacts over the years. Put everything back together, and all is well. So, If you get the dreaded flashing lights, this is one more place to check before replacing parts. Note: It’s possible to eject the ECC unit for the back but you would pull the radio out first.
Why does my Volvo ECC have flashing lights?
These contacts touch the black half circles: The grease is from the gears in the reduction system, and must have gotten on the contacts over the years. Put everything back together, and all is well. So, If you get the dreaded flashing lights, this is one more place to check before replacing parts.
Where is the Cem on a Volvo XC90?
In 1999 – 2004 XC90, XC70, V70, S60, S80 CEM is under the driver’s side dashboard. Remove the kick panel or fabric cover under the dash. You will need to remove plastic retainers to pull down the cover. Now the CEM module is exposed.
Why is my cooling fan running non stop?
Cooling fan system running non-stop The cooling fan module is supposed to cool the car parts when they get too hot. They do this until the temperature comes down to normal levels. If your cooling fans do not stop even after the temperature has been regulated or even when the car has been switched off then it is probably faulty and needs repair.
How much coolant does a Volvo V70 have?
V70 engines hold about 12.5 liters of coolant. In this article, I’ll go over the steps involved with replacing the engine coolant on the Volvo V70 models. Be sure to work with a cool engine and confirm the cooling system lacks pressure before opening the cooling system. Lift and support the front of the vehicle safely.
Why does my Volvo lose coolant when I start the engine?
Watch the meter carefully when starting the engine. Any voltage spike will indicate a faulty ground connection. Your Volvo will lose a little bit of coolant here and there over time due to evaporation from the reservoir. However, a significant loss of coolant over a very short period of time almost certainly signifies a leak in the system.
What should I do about my Volvo 740?
This group is about the braking system of the Volvo 740, 760 and 780. It covers the repair of the brakes, changing brake pads, brake discs and calipers, replacing the brake servo and master cylinder, how to bleed the braking system and several other fixes of the brakes.
What kind of engine does a Volvo 744 have?
The Volvo 740, 760 & 780 service and repair manual covers the following models: Volvo 744 (4-door Volvo 740-series sedan with 4-cylinder redblock or 6-cylinder diesel engine) Volvo 745 (5-door estate / stationwagon with 4-cylinder redblock or 6-cylinder diesel engine)
Why is there no air coming out of my vents?
In the following article, we’ll go over some common causes of no air coming out of vents in one room and how to increase airflow in the air ducts that are affected. Perhaps the most common cause for a room not responding to your heating/cooling system is blocked vents.
What happens when air is pulled through a return vent?
When air is pulled through the return vent (before being heated or cooled by the system), it first passes through a filter to filter out allergens, dust, dirt, and more.
Why does my air conditioner stop working in the morning?
We added a can of freon, tightened the Schrader valve, etc. When it is cold in the morning it works fine. When it heats up during the day it will run for a while and then the compressor kicks off. If I turn off the A/C in the truck for about 3-5 minutes it will work again for a while when I turn it back on.
What should I do if my air conditioner is not working?
After you repair your AC system, make it a point to have your local Sears air conditioning professional stop by on a yearly basis for a maintenance checkup. With regular service, your system will last longer, work more efficiently, and save you money on your energy bills in the long run.
What happens when the dashboard lights don’t work?
When the dashboard lights in your vehicle malfunction or cease to operate, the resulting effects can range from being a mere annoyance to posing a safety hazard. Locating the problem and finding a remedy is essential. To fix dashboard lights that won’t light, follow these suggestions. #Evaluate the problem methodically.
Why does my car AC blow cold air on one side?
If the car AC blows cold air on one side and hot on the other, there are a few different causes but it’s likely the blend door actuator, also known as the temperature blend door actuator or vent mode door actuator
How to fix a faulty cooling fan module in your Volvo?
The faulty cooling fan module in your Volvo can simply be fixed by replacement. You may need to have a professional mechanic look into your car and give you the correct diagnosis as to why the fan module is not working as it should since the problem could stem from a number of reasons.
Which is a symptom of a faulty cooling fan?
The most obvious symptom of a faulty cooling fan system is the increase in warm or hot air in your cabin. A broken cooling fan system will affect the motors that run the blower causing them to supply less fresh air into the cabin of the car.
What happens when a car cooling fan goes bad?
Some of these symptoms include: The most obvious symptom of a faulty cooling fan system is the increase in warm or hot air in your cabin. A broken cooling fan system will affect the motors that run the blower causing them to supply less fresh air into the cabin of the car. You will notice that the car will constantly be hot and stuffy as a result.
Why are the lights on my dashboard not working?
Adjust the dial or knob to see if that fixes the problem. If the switch was accidentally bumped, your dashboard lights might have been turned off. Flip the switch or turn the dial or knob up and see if the lights on your dash come on or get brighter. If adjusting the switch doesn’t work, you may have a blown fuse or bad lightbulb.
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.
Why does my car heater keep blowing cold air?
There are many reasons your car’s heater isn’t working. Maybe the fan is malfunctioning. Perhaps your temperature gauge is running below normal. There could even be a puddle of liquid under the front of the vehicle. A lack of heat can be a symptom of a much larger problem. You could soon be facing failing parts or even a blown engine.