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I have a '95 Volvo 850 2.3L Turbo and have for several weeks been experiencing overheating issues in the coolant reservoir. This initially began when my upper radiator hose blew a hole. I replaced the hose only to find that boiling coolant was leaking out of the resovoir. Upon taking it to a mechanic, he surmised my radiator cap was somehow broken. I bought a new cap, and it cracked and melted and didnt help at all, and i now use the old one. Keep in mind that when i drive the car, the temp gauge never goes past 1/2, but the coolant still boils out, and steam arises from the dipstick area. After undergoing an overheating diagnostic, he said my reservoir was cracked...so...i bought a new reservoir, and it still boils and leaks. He also said i had some excess fluid/coolant in my radiator, so i flushed my radiator. So long story short, replaced upper radiator hose, radiator cap, reservoir, and flushed it, but it still heats and leaks out under the cap. Its like there's far to much pressure. So it technically overheats, but the temo gauge doesnt go up. Any ideas?
experiencing this SAME EXACT issue on a 96 volvo 850. did you find a solution?experiencing this SAME EXACT issue on a 96 volvo 850. did you find a solution?
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engine damaged --usually a blown head gasket but it just pouring in coolant and engine not running may have cracked cylinder or block due to overheating
Hi Look for a leak in the cooling system. If your radiator or cylinder head seem to be compromised, or if you open the coolant reservoir and the levels are topped up, you may have a leak in the cooling system. If you're experienced with cars, check the radiator, core plugs in the engine block, or cylinder head near the head gasket for any signs of leakage.
If you don't know your way around cars, consider bringing your car to the nearest mechanic and ask them to pressure-test the cooling system. Pressure-testing the cooling system is relatively easy to do; you may even get it free of charge.
If your turbo has coolant passages for cooling then it is possible. Most likely the issue is failed head gasket. You need to do a compression check or a cylinder leak down test to rule out a failed head gasket.
Refill the coolant reservoir (with water might be best and cheapest). If it continues to leak rapidly onto the front carpets, then your leak may be in the heater core. Call a local Volvo parts dealer and they should have one (there is also a small assembly part that may or may not be important). This should run you between $200 and $300 for parts alone.
If you are going to DIY, be careful - my mechanic jogged loose a small component when fixing this issue several months ago, and I now have no A/C on my driver's side (it's always on Hot).
experiencing this SAME EXACT issue on a 96 volvo 850. did you find a solution?
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