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disconnect the battery, remove the electric fans and fan shroud. remove the upper and lower radiator hoses. there are usually a couple bolts at the top and sometimes a couple at the bottom. if it's an automatic trans you will have to remove those hoses from the radiator as well. they are usually smaller diameter and on only one side or the other. once done reverse the directions for removal top off fluids and your finished
location:Its a flame trap it separates the oil from ai replacement:
Turn the Volvo 850 off and allow the engine and its components to cool for 30 minutes.
Open the hood of the Volvo 850 by pressing the hood release button within the vehicle. Locate the PCV valve; the valve is identified as a small rubber valve located on the engine crankcase. You will also notice a small hose sticking out of the end of the valve. If needed, read the Volvo 850 owner's manual for more information.
Disconnect the hose from the valve by pulling the hose out of the valve. The hose will come off the valve with minimal force.
Turn on the engine of the Volvo 850. Place your finger over the hole in the valve where the hose was connected. If you feel a strong suction, the valve is working properly and fine. If you do not feel a strong suction, the valve may be clogged and needs replacing.
Turn off the engine of the Volvo 850. Use needle-nose pliers and grip the valve. Pull the valve off of the crankcase.
Install a new valve by putting the valve in place on the crankcase. Insert the hose into the new PCV valve. Secure the new valve in place by pushing it down until it locks into place. Close the hood of the Volvo; pull up on the hood to ensure the hood is shut properly.
Some radiator have a valve located near the bottom of the radiator on the side facing the engine . If there is no valve just disconnect the radiator hose that is connected to the bottom of the radiator .If you want to change this fluid completely you may have to repeat the process after you replace the fluid in the radiator and you have driven the car for a while because otherwise all you would be replacing is the fluid in the radiator !
- Make sure the engine is cold and not running. - Drain the radiator fluid by opening the drain plug at the bottom of the radiator or for a better/faster drainage and cleaning, carefully remove the bottom radiator hose by first loosening the hose clamp. - Open the radiator cap and water rinse/flush the radiator core via a garden water hose until you no longer see any dirty water coming out of the bottom hose (or drain plug). - Flush the radiator over flow (plastic) container by overfilling it with your garden water hose. - remove garden water hose, carefully refit the bottom radiator hose, tighten the bottom radaitior hose clamp, refit/tighten the radiator drain plug. - refill the radiator with approved radiator fluid for your climate and also refill the radiator overfow tank to the indicated level.. - Refit radiator cap - Start your engine until it warms up and check for any water or steam leaks. Refit and or replace any faulty hoses or radiator (regulator) cap! It is not difficult and have fun!
You really won't lose that much coolant in just changing the upper hose. But, crawl underneath the front of the car, and somewhere along the bottom left or right hand corner of the radiator, you'll find a valve of some type. Either rotate/turn the valve, or pull and turn, to open. Be sure to have a clean bucket ready and under the drain while doing this, to catch the drained fluid.
Then remove the radiator cap to allow air in the top of the radiator and speed the flow. Drain only to a point in the radiator that is below the lowest point of the top radiator hose, probably the engine end. Close the drain. Remove/replace the radiator hose. Pour coolant from bucket back into the radiator where the cap was removed. If it does not all go, then save. Start engine and allow to warm up. As soon as you see the level drop (meaning the thermostat has opened) add more coolant, and continue doing so until no more coolant can be added. Replace the cap. Monitor the coolant reservoir and add coolant as needed to the appropriate fill line. Do not store excess coolant where pets/animals could consume as it lethal such creatures.
90000 km service includes changing.spark plugs,oil and oil filter,gearbox fluid,brake fluid ,air filter and fuel filter if needed,a full safty inspection.and the most important timing belt,and while your doing the timing belt you should do the water pump.
Should be a drain valve located on the bottom of the radiator, if not, you may have to just remove the lower radiator hose. Most radiators have drain valves, but there are a few that don't. Hope this helps
According to Volvo the Transmission fluid change interval is every 52,500 for heavy use vehicles ie. towing.
In reality you should change it every 30,000 or so depending on your driving. By 30k it starts to varnish and discolor. There are several Volvo dedicated websites that give you the process if your mechanically inclined v70r.com is currently my favorite. Brickboard.com is also a good one.
This site has a few write ups on various things and operations for flushing.
Just be aware that as in the beginning of the write up you have a P2 car and the fluid flow is reversed. This means you will need to take off the lower cooler hose on the radiator. Yours will be held on by a differant clip as well. You will need to press in on the two green tabs while rotating and pulling the hose out.
1.Disconnect the radiator fan motor connector.2.Set the temperature of the heater control to the hot position.3.Loosen the radiator drain plug to drain coolant.4.Disconnect the upper and lower hose and overflow tube.5.For vehicles with automatic transmission, disconnect the oil cooler hoses from the automatic transmission.Plug the ends of the oil cooler hoses and the automatic transmission fittings to prevent transmission fluid from spilling out and foreign material from entering.6.Remove the radiator mounting bolts.7.Remove the radiator together with the fan motor.8.Remove the fan motor from the radiator.