The turbo is cooled by engine coolant and possibly one of the cooling hoses have failed - it's pretty difficult to see back there so you'll need a mirror and a flashlight.
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If you have a coolant leak at the rear of the engine, there are not too many choices that it could be. Either the turbo itself, the coolant hose to the turbo, or possibly a hose going to the heater core.
Where is your coolant leak coming from? Front of vehicle is possible radiator damage ; if from under or behind the motor this can be rubber engine hoses or heater core hose deterioration
at the firewall engine bay side behind the black plastic covers are the heater radiator connections the rubber o rings start to perish and becomes the source of water loss the water runs down the firewall on top of the exhaust heatshields that why its difficult to spot it
? 6:07 www.youtube.com/watch?v=_kEIxV4cBCg Feb 17, 2013 - Uploaded by RatchetsAnd Wrenches
You need to find out where the antifreeze is leaking from. ....Volvo Oxygen Sensor Replacement (850 Turbo Front, Rear) FCP Euro - Duration: ...
Your problem is something like either a hose clip loose /biting into a hose and split it/a metal hose rusted and has a pin hole or a welsh plug (core plug) leaking. or a water plate gasket IE W/Pump/Manifold etc
Because it drips of the centre of engine dosenot mean it coming from the bottom of engine...
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.
check the water pump gasket and timing chain gasket for leaks. You should take it and have a coolant pressure test done to quickly determine the source of your problem.
It's very common for the turbo return line seal to leak. That is what I would check first, when it leaks, it will spray oil all over the turbo lines and the rear of the engine.
There is a pipe that connects to the rear of the waterpump right where you say it is leaking. I would guess the seal is leaking. Since you have to remove the pump to replace the seal, you should replace the waterpump.
These engines commonly blow the headgasket when overheated, and commonly overheat and leak coolant when the headgasket is blown. So it may be hard to say what came first, but either way you will need to determine if the headgasket is OK before you make any repairs.
my leak is slow from bodom of timeing cover
I wish i had an answer for you but i have the say problem
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