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It's probably seeping out from the front main seal. Look underneath or behind the harmonic balancer and you might see some drops of oil, or a small puddling. Mine seeps/leaks from there too. It drips 2-3 drops per day, so I throw down cat litter every month or so, rub it into the concrete with my shoe, and then sweep it off the floor. Much cheaper than replacing the seal.
Well, if the coolant is leakimg from the HVAC drain, then you need a heater core, no matter what. You really have to jack it up and look, but I can give you a couple of pointers......
1. The water pump is leaking. That happens a lot. The coolant is leaking near the front of the car, near the center, but ever so slightly towards the drivers side. You need a special tool to replace it and I think gm has an updated cover and gasket.
2. The water pump housing is leaking. The gaskets that seal it to the block are made of plastic and deteriorate often. The coolant will be leaking at the center of the car, maybe up by the water pump, or back between the engine and transmission.
3. The heater hoses. I have only seen this 2 time, but the metal pipes corrode along the fire wall.
4. You could need a radiator. I have seen the side tanks leak a few times.....
Just A couple of places to look, but you have to get under and look....
that is where your heater core is. Its leaking, or the feed hose to the heater core is leaking. You really need to pull the plastic cover off, just below the dash on the passenger side to look. the heater core looks like a small radiator. If coolant is leaking out of it, replace it. the coolant will cause problems in the long run, if you don't fix it now. After fixing it, steam clean the passenger side of the suv, to stop having a smell, and stop the corrosion. hope this helps
I had a Fiesta once with a very similar problem. It turned out to be coming in around the seal of the windscreen. I solved it by lifting the seal with a spatula and thoroughly drying the glass and seal (on the outside), and then running silicone all around the edge of the glass, under the seal. (I used black but it wasn't visible anyway). This sorted it for me.
I have had a similar problem with my son's Accord. You are lucky that your son knew to stop immediately, this happened to my son and we ended up having the head rebuilt.
A leak may exist but not show up until there is adequate pressure or, you may have a blockage that caused excessive pressure.
We once had the radiator leak which was nearly undetectable in his Accord, check for moisture in the trough where the radiator sits by looking down the inboard side of the radiator with the hood up. You may need a flashlight. Radiators are available at auto parts stores for about $100 and easy to replace. Replace the thermostat, cap and as many hoses as you can at the same time.
Another problem we had was the radiator cap had come apart and leaked periodically.
If the thermostat stuck, this could have caused a temperature and
pressure surge explaining the now-you-see-it-now-you-don't leak. A faulty fan, or fan switch could also cause a periodic temperature surge.
The leak could be coming from the thermostat housing which is on the passenger side of a 4 cyl engine, or from the upper or lower radiator hoses or the two heater hoses. The water pump is on the drivers side and connects to the thermostat housing through a metal pipe with O-ring seals.
Open the hood and look at both sides of the radiator on the engine side. Check the passenger's side for two aluminum lines going into it one near the top, and one near the bottom. Those should be for the transmission. Then look on the driver's side, same place, for the same type of lines going into it. The should be about as big around as an average pinkie or ring finger. If you have these types of lines going in on both sides (pass/Driver's) then yes the radiator has an oil cooler in it (Driver's side). If there are lines only on one side, then no, no cooler in the radiator.
Two of the more common problems with Auroras.
P0442 - There is a small solenoid (about $30.00) mounted near the L.R. wheel that will fix this.
P0410 - Usually due to leaking Air Injection Valves. These are about 2" square, one near the passenger side firewall, the other near the drivers side radiator. They cost about $200.00/ea. most people just leave it go as it does not effect performance.
Generally, water on the passenger side is the A/C drain tube.
Driver side generally means widshield or sun roof seal leak.
Did you wash the Mazda or did it rain prior to puddling?
Before disassembling the windshield seal, test ... with a water hose (Remove floormat and place a towel on newspapers on the driver's side floor).
There is a "smoke" test" that can more accurately find the leak. See if you local AutoZone will rent one (maybe free) to you.
Front Main Crankshaft seal leaking ---most likely ---now if it has the inspection cover on it
it can be from crank shaft --head gaskets or cam shaft seal --running down the front behind the cover
and some covers have a special oil seal in front of the cam ---this is a general answer
not the Lesabre specific --if you have the power train under warranty --I'd advise a vist to the dealer and pay the say 50buckish co pay ---but first get a closer and better look --can you remove the top or front of any of the cover ---that is not SILICONED in place --GM loves their silicone !
and see exactly where it is coming from ---if it's the front main crankshaft seal --?
Do I want to replace the front and rear seals together ?
Do I want to do the head gaskets as well --to include the intake
Do I sell the car and buy a toyota --lol ---Made you smile I Bet
Don't panic ---Identify the exact source --weigh the pro's and cons
you could try an off the shelf sealant for the oil and or a metallic or ceramic antifreeze
sealant additive too ----it WILL still need fixed but may get you around for awile --
NOTE for a leaking radiator core -if you ever put BArr's leak in a radiator to stop a radiator leak ---you Should then replace the radiator ---even if it stops the leak ---as it clogs your system and can clog your heater as well ---
Put in drive home or to a close garage then flush out the Barr's leak , replace the radiator then refill
for any parts I recommend rockauto.com ---alot cheaper than an autoparts store FOR most stuff
longest wait to my door 2 days --100%satified thus far BTW I'm a client not their friend or associate
and for used try harry'supullit.com --Hazelton pa ---best junk yard I know of and cheap --