Question about 2002 Oldsmobile Alero

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Overheating Have a water leak some where near the left side of engine. Mechanic is going to pressurize system to find leaky hose but says that the repair will be $400-$500 dollars. Are these hoses that difficult to replace or is it something I could do myself?

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There are allot of hoses and it takes allot of time, that is around 2-3 hours labor and then parts, so yes the estimate sounds about right.

Posted on Jun 02, 2009

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What causes a bubbling sound and overheating in a 2002 Ford Taurus?


Old age, with atherosclerosis of the central cooling system!

Overheating is caused by poor circulation, which is remarkably comparable to our own blood circulation. The lines may be clogged with rust and corrosion (similar to arterial plaques), there may be a leak in the radiator (like a leaky heart valve or dissecting aneurysm), or a failing water pump (like congestive heart failure). A complete blockage in a line will lead to catastrophic over-heating (like a blocked coronary artery). And a hole in the system - lines and hoses, radiator, radiator cap, water pump, or engine block, will cause the cooling system to "bleed out" (comparable to a ruptured aorta or brain aneurysm). The gurgling sounds you hear are caused by boiling coolant, which will not happen in a closed and properly pressurized system.

Diagnosing the problem involves first doing a visual scan. Coolant leaks leave stains: look for these along the lines and hoses, around the radiator cap, the head gasket, and - especially - drip stains from the water pump. Internal leaks can also occur. Its symptom is steam in the engine exhaust. Another potential failure point can be a slipping water pump drive belt (kinda like a heart block). And, there may well be more than one trouble point.

If your inspection doesn't pinpoint the problem(s), an appointment with your cardiologist (er, auto mechanic) will be in order. Remember, this is an old car and circulatory problems are common!

Feb 13, 2015 | 2002 Ford Taurus

1 Answer

Car over heating and hoses springing leaks


Replace the radiator cap first (when it's cool and it's cheap). A coolig system needs pressure.

Next option is the thermostat. It is normally closed and will open at 180degrees (newer cars have higher temps). You can test by removing and then using your house stove and a pot of water see if the spring & valve open up as it gets near boiling. They are not very expensive either so it might be easier just to replace it as well. Make sure you run the heater at full to help get air out of the system.

If you check the oil and it looks high and weird then you could have a blown head gasket. This is much more $$$ to get fixed.

Mar 08, 2014 | 1989 Cadillac Sedan DeVille

1 Answer

Jeep coolant leak


Have a coolant pressure test done on the system. It can be pressurised beyond cap operating pressure with out getting hot. I feel that the water you see is condensate from the a/c system as that is the location of the drain hose . I am thinking that the radiator is cracked in a core or a tank is split or a welsh plug is rusted most of which will only appear when the coolant system is under pressure form the hot operating temperature.

Aug 03, 2013 | Cars & Trucks

1 Answer

I left my 97 Ram 1500 idling outside for a bit today, and found a decent size puddle of antifreeze. It looks to be running down, if you're facing the engine, the right side. It looks like it pools at the...


Too many possibilities.
Most common is hoses, like heater hose.
Water pump is common after about 100,000 miles.
Thermostat housing can leak.
Head gasket if you have overheated and abused it.
Freeze plugs if you ran plain water and allowed it to rust.

Rent/borrow a pressure tester and pump up above radiator cap rating. With engine off and system full of water, it should be easy to then spot source of leak.

Sep 19, 2010 | Dodge Ram 1500 Cars & Trucks

1 Answer

I have just replaced the radiator, thermostat, and radiator cap. all hoses top and bottom and electrics are hooked up correctly and tight. i am still loosing coolant / water but the weird thing is it seems...


Hi Adrian, If you are getting water/coolant around the sump pan it sounds like you have a leaky core or welsh plug.. This is a large disk which is used to seal the holes made when the engine and cylinder head was cast.. They do corrode and leak but are very easy to replace. However, getting to them can be an issue sometimes. My advice is to have the cooling system pressure tested, this will show the leak quite easily.. You can purchase a cooling system pressure tester from your local parts store or you can take the vehicle into your local mechanic who should be able to do this test for you. If you do this yourself, NEVER exceed the pressure printed on the radiator cap and you may induce leaks due to excessive pressure. Normally, pressure testing is done at around 13 to 15 PSI..and dont forget to keep the cooling system topped up during testing as the coolant level will drop during the test.

Nov 02, 2009 | 1993 Toyota Corolla

1 Answer

I have a BMW 2000 316 Ci that has been using a lot of water. My mechanic had it at the weekend and replaced a hose near the head gasket but it still has the same problem, it however is not overheating


have coolant system pressure test.what they do is pressurize your coolant.about 14 psi look in radiator for bubbles if so you have head gasket leak. or they drain oil out leave drain plug out to see if coolant come out crank case.that also means leaking head gasket or intake gasket.they will look for leaks around radiator +all hoses.look at water pump gasket weep hole.for leaks also check engine core plugs for leaks.they will make sure you have 50% coolant and 50% water .if you have too much water.it will evaporate away.

Jun 22, 2009 | 2000 BMW 3 Series

2 Answers

1996 cavalier temp gauge hits the max


Putting is 100 percent coolant is not good, the coolant will not work well, it needs to be mixed with water to work properly. You can buy pre-mixed coolant at any parts store.

Have the cooling system pressure tested to check for leaks.

The cooling system relies on a set presure to work properly, If the system has a pressure leak, it will not work properly

If you are not seeing any coolant dripping from the underside of the car then my guess is you have a blown head gasket or a cracked head and the coolant is going into the cylinder

Apr 03, 2009 | 1996 Chevrolet Cavalier

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