Question about Volvo S80

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1999 S80 Volvo. Engine Head Machined and head Gasket replace. Problem Engine oil flowing in to the Cooling system in large amounts. Looking for any History problem related. other then engine head or head Gasket. Something about a Half moon pipe Din't get the full story or where located.

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If its turbo check that lines arnt ran incorectly to feed of turbo. or that turbo housing is bad.

Posted on Mar 16, 2011

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How do I check for a blown head gasket on my 1990


Pretty much same answer as I gave for 87 Reliant see below. Shops have equipment to do cylinder leakage test. Do basic stuff below before doing last test ...cylinder leakage...which costs $$$.

Main point you are losing antifreeze/water. Check to see if you have water on the dipstick mixed in with oil. If so...probably a head gasket. If oil looks normal..... Before you do any test, tighten every hose connection. Check for loose connection into antifreeze reservoir. Sometimes there are small cracks on top which lets out pressure from cooling system. Look for leaks on water pump and radiator. Look at spot where you park the car...any liquid on floor? Not sure?..Put piece of cardboard under car to see if liquid is dripping from car. No leaks?...Start with a pressure test of the system. The pressure test is simply equipment that replace the radiator cap, a hand pump connected to it then air is pumped into cooling system. You watch the gauge to see if pressure is dropping. If pressure does not drop ..problem is most like a worn radiator pressure cap or stuck thermostat.. Do not buy the kind with button on cap to push down and release pressure. get original type and correct pressure. If overheating still, thermostat could be stuck, replace. Overheating of engine causes vapor lock, bubbles in fuel, which causes car to stall and kill. When cools off, fuel cools down and fuel will flow through fuel system again. Large amount of oil disappearing with overheating also sounds like head gasket or cracked head....Tighten up all bolts to gaskets, look for oil leaks on garage floor or driveway. If engine has developed a miss when running, pull plugs out and look for wet fouled plug. If antifreeze leaking into cylinder...plug tip will be whitish, if oil leaking into cylinder, grimey oil fouled. Do compression test on cylinder that is fouled and that will pinpoint if bad head gasket or cracked head. When doing compression test, radiator cap is removed and you listen to hear bubbles in radiator from the cylinder leaking into cooling system. 87 Reliant not worth pulling engine apart if head gasket or cracked head. Best oil treatment to reduce oil consumption is "Engine Restore" Used on my 58 Impala 348 tri power for 28 years. If I did not add it after oil changes it used oil and smoked....I swear by it for ANY engine after 100,000 miles.

Oct 19, 2014 | Cars & Trucks

1 Answer

99 s80 volvo over heating


mean low coolant.try find out where leaking ,if engine could be gasket,now is stuff head gasket fix is good I try OK.

Feb 23, 2013 | 1999 Volvo S80

2 Answers

I have oil leaking into cooling system, but no water in the engine. My oil level is dropping. What can cause this and what is the fix?


This is caused by a leaking head gasket. When a head gasket leaks you can get oil in the coolant or coolant in the oil of the engine or both. You will need to pull the cylinder head off, have it checked for cracks and if none are found have it machined flat again and replace the head gasket. Use only a quality head gasket set either from the Toyota dealer or a well known quality brand like Fel-Pro (available from NAPA and others). This is a job that requires some special tools and a great deal of car repair knowledge, time to do the job is about 6 hours.

Oct 18, 2011 | 1990 Toyota Corolla

2 Answers

The car was recently engine overhauled,now the water is bubbling {boiling} though the temperature gauge is not exceeding above half.what could be the probable cause for this?its a volvo s80 model 2000.its...


When you add coolant and it bubbles right from the start of the engine, This is a indicator that the head gasket is blown, in your case not seated properly.

Aug 29, 2011 | 2001 Volvo S80

6 Answers

Water getting into oil


If its just condensation in the oil cap or dipstick, to some degree its normal. However if you have water in the oil and its very creamy in texture, its probably a head gasket leak, or cracked head. Its important to get it repaired soon, or total engine bearing failure will result.

Jan 29, 2011 | 2001 Daewoo Leganza

3 Answers

Getting oil in radiator --but no water in the oil--its NOT a blown head gasket or head -we allready checked that out -it's a datsun 1971 1600 cc engine with very low miles =truck runs great


What about the possibility of a crack in head gasket between oil passages and coolant passages. Oil pressure would be higher than cooling system pressure, thus oil would be more likely to enter cooling system, than coolant enter oil /lube system. Just a thought. Have you done a cooling system pressure test, just to see if any drop at all in pressure? Seeing how engine would not be running, oil pressure would be 0, and may allow coolant to seep through same path, only from cooling system, to oil. Is it a large amount that your getting?

Dec 30, 2009 | Datsun 510 Cars & Trucks

4 Answers

Engine oil dipstick shows water and rust mixed in with oil


Everyone always jumps to head gaskets. There are plenty of MINOR things that can be looked at first.
The Volvo 2.3, 2.4, 2.5 Inline 5 Cylinder dipstick tube is known to develop a large amount of condensationin winter months and stop and go driving. What you see on your dip stick is possibly just condensation. Take off your oil cap and look under the cap and inside the valve cover. Is there any thick foamy oatmeal like substance or noticeable amounts of water? If your oil was saturated with coolant, you would be able to see it up there too. Check your coolant for oil. Volvo coolant is typically brown to orange, however make sure there is no sludge. Start the car with the cap off and keep an eye out for alot of bubbles. A large amount of bubbles is a sign of a bad head gasket. A couple here and there is just air in your cooling system.
Coolant, Transmission fluid, and Oil have several places they can mix. If you have a turbocharged Volvo, the seals in the turbo can go bad and cause a mix of oil and coolant. Your transmission cooler is also in your radiator, and if it cracks your transmission fluid and coolant can mix. I believe turbo models have an oil cooler built into the radiator as well.
Overall if your car sounds fine, you dont see oatmeal, your not using coolant and oil in excessive amounts, dont have white smoke, and your turbo isnt whining you probably just have condensation in your dip stick. If you are overly concerned you can send a sample of your oil to a lab and have it tested for traces of coolant. Headgaskets rarely fail on Volvo's, even the old ones....I have seen many that have gone to replace them have not found a failed gasket and end up finding a bad transmission cooler or a bad turbo.

May 09, 2009 | 1999 Volvo S70

1 Answer

Engine idles irratic


Did you have the head machined/shaved before you replaced the head gasket with a new one? If not--do over---machine head---replace gasket.

BUT, before you even bother, have you considered the fact that the BLOCK may be cracked? You can check this by looking at each spark (plug for combustion residue of coolant or oil) of each cylinder separately.

Mar 13, 2009 | 1993 Volvo 940

3 Answers

Location of thermostat and replacement


Finding the thermostat is easy. Just follow the top radiator hose back to the engine.
The question I have is how to get to the bottom screw of the thermostat housing.

Any Sugustions anyone?

Jun 22, 2008 | 1999 Volvo S80

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