Question about 2003 Land Rover Discovery

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Discovery 2003 td 5 BMW engine there is a loss of coolant but no leak in the system.what is a good way to find out what the state of the head gasket is?

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Hello and welcome to FixYa!

Please do check the coolant reservoir if it sits on the right level. Overfilling the coolant reservoir can cause a coolant overflow when the engine operates on higher temperature. Please do fill it and make sure that it sits on the right level.

Hope you find this helpful and thank you for using FixYa! Have a good one!

Posted on Mar 31, 2011

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Posted on Jan 02, 2017

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My 1998 Mazda millenia Is shorting white smoke more tell pipe what could be the problem


It is common to see white exhaust smoke when first starting a car, especially on cooler days. This is generally steam caused by condensation. As the engine warms up and the condensation dissipates the white exhaust smoke (steam) is no longer seen. If excessive white exhaust smoke is present well after the engine warms up, it is necessary to have the car inspected for possible internal coolant leaks. Indicators of an internal coolant leak include billowing white exhaust smoke accompanied by a sweet odor or a low coolant reservoir level. An internal coolant leak can also contaminate the engine oil giving it a frothy, milky appearance. Even small amounts of coolant entering the combustion chamber will produce white exhaust smoke. One of the main causes of white exhaust smoke and coolant loss is a cracked or warped cylinder head, a cracked engine block, or head gasket failure caused by overheating. A cracked head may allow coolant to leak into one or more cylinders or into the combustion chamber of the engine. Dirty coolant, a poorly maintained cooling system, a low coolant level, or a non-functioning cooling fan can cause engine overheating. In addition, engine wear can eventually cause the gaskets to lose their capacity to seal properly allowing internal coolant loss. Intake manifold gasket and head gasket failures are two of the most common sources of internal coolant loss caused by engine wear.
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I
Internal coolant leaks can and will cause

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1 Answer

Engine coolant level drops on Mercedes C180 2001 model


Loss of coolant is serious because if you allow your engine to overheat you can cause very expensive engine damage - thousands of dollars of damage (not hundreds).

The items that need looking at are:

- Radiator cap is old and faulty. This can allow coolant to escape and needs to be replaced every 4 or 5 years (sometimes sooner) with the correct spec cap - not any old product picked up at some auto store.

- External leak - you need to check all flexible coolant hoses and connections for leaks as well as around the water pump to ensure the WP gasket is not leaking

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The most common is a blown cylinder head gasket which can allow coolant to escape and to get into the cylinders and into the lubrication system. If getting into the cylinders you will see white smoke coming from the exhaust . You need to check the engine oil for coolant contamination as a coolant can escape into the lubrication system via a damaged head gasket. You also need to check the coolant for signs of oil escaping under pressure via the blown head gasket into the cooling system.

An internal leak can also be caused by a cracked cylinder head but if you have this condition are blown head gasket will have probably occurred around the same time.
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My bmw 5252i has been over heating, i checked the belts, fan blade, the water pump, and even doubled the gasket but stilll experiences overhaeting its so frustrating.pls i need a specific solution once and...


Sometimes the thermostat will stick closed. causing rapid overheating. Did you flush the system? The passages in the block, head and/or radiator themselves could be blocked, first start out by changing the thermostat, then flush out system with a good flush of system. if water pump is ok, and there is no leaks, and the coolant is up to par. then it should be ok. have a good one ! if you are loosing coolant then check for a bad head gasket or a leak in system.

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How are the symtoms diffrent on internal and external head gasket leak? on 1986 honda civic


On an external head gasket leak you can see coolant leaking out between the cylinder head and engine block at the place where it is leaking .

An internal leak usually occurs into the cooling system . When this happens you might find that the cooling system will pressurize and you will experience coolant loss . The coolant loss may occur through the radiator over flow or on the other hand into the engine cylinders .

When this occurs through the engine cylinders you might find that the engine oil level will increase or the oil could turn a milky white color ( depending on the type of oil )

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What damage can the engine have (if any) for loss of coolant for a brief period of time. What tests can be performed to verify that the engine is OK and no damage has occurred.


Hi rcasenc, if the engine overheats due to the loss of coolant many bad things can happen. Head gaskets can blow, and valves can be burnt. Usually if a head gasket is leaking you will find evidence of coolant in the oil. When there is a blown head gasket, or burnt valve/s engine performance will be noticeably poor. The first and simplest test should be compression testing all cylinders. To more accurately pinpoint any leaks a leakdown test is helpful. Hope this helps. :)

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1 Answer

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