Question about 2001 Land Rover Discovery Series II

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Antifreeze leaking even after a new radiator. What could be the problem?

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Take it to a radiator shop and have them run a dye test. They will put some dye in the radiator and then pressurize the system. The leak will show up under a black light. If you are loosing coolant with no apparent leak then you may have a blown head gasket. Symptoms are, white smoke from the exhaust, oil level overfull, air bubbles escaping from the radiator, and a white foamy substance under the oil fill cap.

Posted on Oct 08, 2010

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1 Answer

Antifreeze leak


The hoses could seem ok but have tiny cracks in them that you can't see if they were not replaced. With antifreeze the flange the hose goes on could be rusting from antifreeze and cutting the hose. Cut the end of the hose past the clamp mark if there is enough slack. and put back on. The clamp could either be too tight and cutting the hose on the metal flange or not tight enough. Squeeze the hose and if you see cracking in the hose replace it. Also, if you over fill it it could be a problem or you got a bad radiator. If it is a tiny leak in the radiator you can use radiator stop leak. http://picsbox.biz/key/radiator%20leak%20sealant. Check all the hoses and clamps and make sure the belt on the water pump is ok too. Good luck. They are a great car and worth the effort especially if you havea V6.

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How do I fix this coolant leak?


This could be a hose or a radiator leak.

And antifreeze is supposed to be bright green or pink for a car of that age. Brown is never a good color for antifreeze--it means car was run with too little antifreeze for a significant period of time and the block and water pump has rusted internally. This is not a threat to the engine block, but it will kill the water pump eventually.

Find the leak, and take appropriate action--if it's a hose, you can replace that yourself and save $. If it's the radiator or even heater core (not likely), it's a trip to the shop for sure, unless you are able to handle the degree of difficulty that goes along with replacing a radiator (about 6-7 on a 10-scale, and usually a major hassle). A radiator shop can fix the leak, saving you new radiator $.

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If you can't see any obvious leaks around rubber hoses or radiator, it could be leaking though the engine block gasket into engine. Or even escaping through the rad cap when hot, leaking as steam slowly. Try putting a new radiator cap on (rad cap). As a quick fix, put Radweld solution into coolant. Any auto shop has it.

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have the system pressure tested --and check exhaust for excess smoke / steam

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Remove radiator cap.Remove radiator bung from bottom of radiator and drain into container.Replace bung.Replace new 50/50 water/antifreeze mix.Turn interior heater up to max with fan on lowest setting.Run vehicle until hot, topping up radiator as required.Replace radiator cap when bubbling ceases. Road test vehicle, return and recheck level after cooling down period.Recheck level over the next few days and check for any new signs of leakage in system.(Fresh introduction of antifreeze can reduce the tension of the water molecules and can produce new leaks)

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Driving for 5minutes cars runs hot smoking then shuts off I have antifreeze in the car


Could be that the heater core in the dash is leaking ,or you could have a bad hose or something leaking coolant in the engine compartment and steam is getting sucked into the air ducts.

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I'm losing antifreeze around the pet ****, but its tight and I can't see exactly where its leaking from. Any thoughts about what the problem is?


if it is leaking at the petcock and its tight the onlything that you can do that will work is to invest in a new rad.

Nov 21, 2010 | Chevrolet S 10 Cars & Trucks

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Radiator losing antifreeze even when get new radiator.


if now outer leak is seen check for cylinder head gasket leak or for a cracked head

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Radiator leaking terribly (97 Grand Caravan, 3.8L)


Radiators with plastic top and bottom tanks have a limited life and if they leak it is usually terminal and will probably need to be replaced. Any radiator shop can pressure test your system. Replacement is not a huge job but radiators have become relatively expensive.

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1 Answer

Car is leaking antifreeze and over heating even though there is antifreeze in the reservoir and is smoking after I turn car off. I bought a bottle of stop leak for radiator's and even added that and it...


the water pump is what pumps the anti-freeze half of anti-freeze is water so its called a water pump. but to me it sounds like theres something slugging up your radiator theres a small drain on the side if nothing comes out then its clogged, if it does then i would agree with your friend about the pump hope this helps :)

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