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Small drips of coolant underneath radiator it seems but not overheating not sure what to check idk if its the radiator, a hose or maybe water pump.

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Try to get a good position of drops. Follow flashlight backwards up through the engine bay. No help? Look for wet spots on the Radiator, all connections. Near the water pump. and other locations. Keep an eye on the Coolant tank level. It may be a slow leak. Is the coolant tank cap in good condition?

Posted on Apr 02, 2015

Testimonial: "From what I've seen yes the coolant tank cap is good but I am going to double check it. The leak seemed to be high up when I was last underneath the Durango also the top hose had some white residue from burnt coolant"

  • Justin Ruperto
    Justin Ruperto Apr 02, 2015

    From what I've seen yes the coolant tank cap is good but I am going to double check it. The leak seemed to be high up when I was last underneath the Durango also the top hose had some white residue from burnt coolant

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You need to find the source of the leak, Follow the coolant residue to the leak. It can be tricky to find with all the plastic covers on vehicles now, You may have to remove to some covers to see the leak.

Posted on Apr 02, 2015

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1 Answer

Overheating leaking


The overheating probably came from the coolant being too low. The coolant in the reservoir won't go back into the radiator if the coolant in the radiator is too low. Until you get it fixed, check and fill up the radiator every time you want to use it. Overheating is very bad for engines and can cause expensive engine repairs.
Where is it leaking, from the engine or the radiator? You didn't say, but wherever it is leaking is the place to start. If at the radiator, and it is not a loose or leaking hose, I would be looking for a new radiator. If it is leaking at the front of the engine and dripping down from there, you could have a bad water pump. This could be an expensive repair at a shop-not the pump itself-they are not too expensive-but the labor cost in replacing a water pump will add up.

The thermostat would not cause it to leak. But when all is said and done, you will want a new thermostat, after the leak is fixed. They are very cheap and it is just good insurance.

May 05, 2014 | 1997 GMC Suburban

2 Answers

My coolant level is dropping about two cup fulls every couple of months,there is no coolant on ground just a small water drip on garage floor after about middleways underneath engine after driving it.


There are only a few ways coolant can get out of the cooling system.
First check where the hoses connect to the radiator to make sure they are completely dry. Then check directly under radiator to make sure it isn't damp. Sometimes the radiator cap will go bad and allow some coolant to leave. You can replace the radiator cap relatively cheap. The very worst way you can be loosing coolant is thru a blown head gasket. The coolant slowly leaks into the cylinder and is burned. You would have to go to a mechanic to have this verified.

Mar 30, 2014 | 2001 Jaguar XJ8

1 Answer

Its keeps overheating i change radiator and head gasket and still overheating


Did you also replace your thermostat? If it's stuck closed, engine will overheat.
When you did the HG, did you have head checked for cracks or warpage? A cracked head will cause severe overheating.A warped head may or may not show signs of external coolant leakage. Either of these conditions can occur if overheating is severe enough.
Are your hoses in good shape? An old hose can collapse when it's hot, and restrict flow. Feel them (when cool) for any sign of sponginess.
New radiator cap? The cap provides a seal to pressurize the cooling system.
Finally, how about your water pump? Any sign at the weep-hole of leaking coolant? Your water pump inner seal is bad, remedy is a new water pump. Or maybe the pumps' fins have corroded and not pushing coolant sufficiently. If there is corrosion, get the whole system flushed and start anew.
Pull your spark plugs and look for any sign of coolant in the cylinders. I know it's a pain to keep going back and checking, but you gotta be thorough. Plugs may be blistered white from overheating, but if you get it fixed, they should be alright.
Now, finally, really: sometimes, Randy, just a small air pocket in coolant can cause overheating. So, make sure you bleed the system if it has a bleed screw, or fill, cap loose, run engine till t-stat opens, level in radiator drops, then re-fill, and add coolant to your overflow reservoir to around the full hot mark. Tighten cap, and you are done. Good luck.

Oct 20, 2011 | 2004 Jeep Grand Cherokee

1 Answer

I had refilled coolant yesterday. Today, coolant is empty and engine gets very smokey.


Always check your hoses for leaks. Check also if your radiator has water while engine is shut off. Add water to your radiator and add the coolant in the reservoir if its empty. Start it and observe your engine while running and check the hoses if anything is leaking. Check underneath of the car if something is dripping. Observe your temp gauge if it rises. If you don't find anything leaking, you could check your radiator only after you let the engine cool down. If the water is drained inside the radiator, then the radiator could be busted. If you have a perfectly fine radiator and the hoses do not leak, then it could be the water pump that's defective. If you are unsure about the problem then have it checked in your local dealership or your friendly neighborhood mechanic.

Apr 19, 2011 | 1999 Ford Expedition

1 Answer

Water dripping right front underneath


Is what the liquid plain water or coolant (water mixed with antifreeze). touch and smell the liquid, no smell = water, antifreeze smell and oily feel = coolant.
If plain water, could be Air Condition condensation dripping from condensation drain which is normal. (this drain is usually located near the center of the vehicle).
If coolant, could be leak(s) from: radiator, radiator hose, heater hose, water pump, engine freeze plug. A coolant system pressure test should show what is leaking.

Oct 06, 2010 | 2005 Hyundai Santa Fe

2 Answers

My car started to overheat. I checked it out, and found a hole in a small radiator type hose. The hose is top left (facing the engine), is about 8" long, and comes from a black cylinder shaped object....


This one is not easy to tell without seeing the car. But, a logical guess would be that the water pump is starting to go bad and is leaking intermediatly. If you can pressure check the cooling system or have it done that should give you the answer.

Sep 18, 2010 | 2003 Pontiac Grand Prix

2 Answers

My car is leaking coolant and overheating


also check bottom hose to water pump..
could also be the radiator itself depending on where the leak is

Mar 17, 2010 | 1997 Chevrolet Monte Carlo

3 Answers

1998 sunfire leaked out all the coolant, replaced thermostat. It is leaking from the bottom. What could it be.


could be the water pump or a hose, try to locate exactly where the coolant is coming from

Feb 26, 2010 | 1998 Pontiac Sunfire

3 Answers

Isuzu rodeo leaking coolant from engine


with my experiance on these engines it's usually the upper outlet hoses running from the heads into a t then into the upper radiator hose they are pain to replace but 3 out of 3 of my v6 isuzu's have had the same problem you'll have to pull off the theromstat and the coil pack the hoses are very small and run from the end of the heads one on each into a t then into the radiator hose just under the housing

Apr 27, 2009 | Isuzu Rodeo Cars & Trucks

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Water pump. No question in my mind, water pump.

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