Question about 1999 Lincoln Navigator

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Coolant/water leaks at overflow near spare tire

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It is the hoses that run antifreeze back for your rear heater it is an easy fix

Posted on Jun 24, 2010

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1 Answer

Losing coolant, no leak, not overheating


That would relatively normal usage. Coolant is 50% water so repeated heating to near boiling is going to have an effect. Unless you are adding by the gallon, I wouldn't worry.

Aug 22, 2013 | 2002 Cadillac Deville

1 Answer

Leaking coolant


sounds like its coming from your overflow tank there is no hoses by the passanger tire.. dont sound like its anything to serious

Feb 17, 2013 | 1997 Chevrolet Malibu

1 Answer

Coolant leak behind right tire area


sounds like you have a bad water pump, common with 3100 and 3400 engines.

Sep 11, 2012 | 2000 Oldsmobile Alero

1 Answer

IT KEEPS OVERHEATING


REPLACE THE THERMOSTAT AND RADIATOR PRESSURE CAP.IF COOLANT LOW, ADD MORE COOLANT THROUGH COOLANT OVERFLOW UNTIL COOLANT LEVEL IN THE COOLANT OVERFLOW STAY AT FULL COLD MARK.REASON POUR COOLANT THROUGH COOLANT OVERFLOW MOST GM CARS DONT HAVE RADIATOR CAP.WHEN YOU GET COOLANT LEVEL OKAY, CRANK CAR LET IT IDLE UNTIL ENGINE GET HOT BUILD UP PRESSURE THEN TURN OFF CAR.CHECK FOR COOLANTS LEAKS AT THE RADIATOR HOSES,CHECK FOR LEAKS AT THE RADIATOR, CHECK FOR LEAKS AT WATER PUMP WEEP HOLE IF YOU SEE COOLANT LEAKING FROM WEEP HOLE REPLACE WATER PUMP. IF CAR OVERHEATING WHILE IDLING YOUR COOLING FANS NOT WORKING CHECK COOLING FANS FUSE AND RELAYS.IF FUSE AND RELAYS OKAY THE ENGINECOOLANT TEMPERATURE SENSOR BAD.

Aug 01, 2011 | 1994 Cadillac DeVille

1 Answer

Van is losing water but the overflows continues to stay full. No cracks in radiator and the cap where you put in the water has a hose going in but no hose on the opposite opening.


In a properly working system, the coolant expands as the coolant temp rises. The excess coolant flows into the overflow container by the hose that runs from the bottom of the overflow to the top of the radiator, under the radiator cap. When the coolant begins to cool down, it contracts,drawing fluid back into the radiator from the overflow. The water pump has a "weep" hole located near the bottom of the pump housing that will leak coolant if the pump is going bad. In some engines, the 3.0, the water pump is located under the camshaft timing belt cover, and is a BEAR to deal with. However, the coolant should be pulled into the radiator when the engine cools, so check that the hose from the top of the radiator is attached to the bottom of the overflow and that it is not blocked or pinched. Have the system pressure tested to verify that it has no leaks. Hope this helps. Dano

Jul 10, 2011 | 1992 Plymouth Voyager

1 Answer

Slight coolant leak.


If the leak is on the passenger side then most likely it is the water pump. Leak would appear about 12 inches in from right tire. How many miles? Did you replace the timing and other belts at 90,000 miles? Water pump should be replace then too.
If coolant leak is near head light, could be just overflow from coolant overflow tank.
This model had many large and small hoses that can crack and leak. If you can not find specific location then you need to take ti to a mechanic right away. It might be a small problem now that can be fixed easily. Latter, a hose could break and leave you stranded.

Feb 06, 2011 | 2001 Honda Odyssey

1 Answer

97 cadillac eldorado overflowing through overflow pipe


The most common overheating problem with the Northstar engine is a blocked purge line. It's job is to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank(not the cap),this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.The hose goes in to the engine to a crossover and comes out the other side to near the thermostat housing,the blockage may be there.

Apr 11, 2010 | 1987 Cadillac Eldorado

2 Answers

My radiator coolant dripping very fast by the rear axle


your vehicle has a service bulletin on the metal heater hoses; they corroide and leak. They run from your heater core (front of van) to the rear most of your van by the spare tire (rear heating).

Jan 24, 2010 | 2004 Kia Sedona

4 Answers

My 1997 Chevy Malibu is leaking antifreeze by the right front tire. I've looked at all of the hoses and none seem to have any holes in it, but I can't keep my coolant reservoir full. It leaks out within an...


You'll have to get under the car and look. Could be frost plugs, block heater, head gasket... lots of things. But you have to see where it origionates. It could run a long way before it gets to the ground by your right tire.

May 01, 2009 | 1997 Chevrolet Malibu

2 Answers

Cooling sysem leak


Leak found at heater.  Most of coolant added in attempts to locate leak was retained on the floor of the passenger compartment --- hence the disappearing coolant phenomenom. About 5 gallons of water were obtained with wet vac of region under floor carpet. Thanx to those who considered the problem.

Sep 04, 2008 | 1996 Volvo 850

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