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Coolant leak from l/h side of engine, maybe heater hose?

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  • Cars & Trucks Master
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Might be head gasket. You will have to take a look when you pressurise the system.

Posted on Aug 14, 2019

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Posted on Jan 02, 2017

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SOURCE: 2004 dodge stratus leaking coolant

there is a temporary fix for this until you can get it replaced, you will need 4 washers wide enough to fit around the lip of the upper half. Remove the 4 bolts holding the outlet and place the washers on the bolts and tighten down lightly enough to prevent leakage, this will fix it on a temp bases only until it can properly be repaired.

Posted on Jan 26, 2009

  • 532 Answers

SOURCE: Where is the heater core hose in my 2000 ford expedition?

check closer to just underneath the firewall--it could be a smaller problem than a heater core--Ford 4.6--5.4 engines have a tube just underneath the intake manifold that the rubber hose goes bad and it will leak towards the back of the engine.Lets hope so-what i hear its very expensive to change a heater core in an Expedition.

Posted on May 01, 2009

  • 532 Answers

SOURCE: 98 Expedition coolant leak top back of engin

Sorry im late with this,i couldnt seem to log on....The answer to your question is YES,there is a steel line under the intake with a short piece of rubber line attached to it and you can just about see it from the front of the intake with a light,it can leak and cause coolant to run off the back of the engine,The intake gasket set alone is about $40.00 and i dont know about the rubber line,i have seen it physically but havent changed one yet.Note the date of manufactor just incase,i bought an intake set for a 99 and the engine design was changed half way through...its not too hard to pull off the intake and re-install,you will need a 7mm socket for the coil packs,8mm socket for the fuel rail bolts and lower intake bolts and power steering bracket bolts and throttle bracket bolts,10mm socket for the intake bolts and alternator bolts and egr valve,and a large cresant wrench for the exhaust tube thats connected to the egr valve,flat screw driver for the air cleaner...and plenty of extensions with a swivel to be able to get to the back bolts of the intake....just incase you do it yourself this info could make it easier to gather tools.Its about a 3 1\2 to 4 hour job start to finish for the first time doing it,includes cleaning everything..Good luck

Posted on May 16, 2009

  • 708 Answers

SOURCE: my 2001 ford taurus is leaking coolant on the

It could be a hose on top of the engine leaking back there. It could also be a freeze plug on the back of the engine. Its a round disk about 2-3" in diameter and is recessed about 3/8" into the block. Check those out and make sure all hoses are good and tight. Any hoses that are kind of puffed out above the clamp should be replaced

Posted on Sep 30, 2009

  • 23 Answers

SOURCE: leaking coolant from rear of engine is there a

No, that would probably be a freeze plug on the back of the block if the coolant is coming out between transmission bell housing and engine.

Posted on Jan 18, 2010

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2 Answers

My yukon is running hot but there are no holes in the radiator and there is a leak on the passenger side?


Hi, maybe you have a faulty water pump or gasket, it's better that a mechanic check it as soon it's possible.

Nov 13, 2015 | 2008 GMC Yukon

1 Answer

1991 corsica coolant leaking out of by firewall


Let's hope the first fix is the right one!
You should have two heater hoses running from the engine to the heater core, which you cannot see under the hood.
Typically, the hoses are about 1 & 1/4 inch diameter, and black.
That part ( the heater core) is inside, under the dashboard, sort of behind the glove box.
The heater core is just on the other side of the firewall from the two hoses, which are usually "together" (means they are about an inch apart) where the hoses attach to the heater core through the firewall.
If the problem is coolant ( you can tell by the color and/or taste), you likely have a heater hose that is old and cracked and leaking.
Take a flashlight and look carefully, you should see sign of wetness around the ends of the heater hoses and maybe on the firewall.
Those hoses usually last about 10 years before needing replacement.
If you find one leaking, you should replace both of them, unless the other one has been changed recently.
If you change them, you'll need to drain the radiator coolant and the hoses and collect the coolant for reuse or disposal.
I would also put on new stainless-steel band clamps.
Remember when you put it all back together, you will need to "burp" the air out by running the engine with the heater on full for about 10 minutes at a medium speed to get the water pump to pump accumulated air out.

Jan 13, 2013 | Chevrolet Corsica Cars & Trucks

4 Answers

My antifreeze is leaking and I am trying to find the leak. It also leaks from inside of my truck on the passenger side where their feet are.


Your heater core is leaking. Replacement of this part is a big job and should be done by a professional.

Jan 12, 2013 | Cars & Trucks

2 Answers

Water leaking onto passenger side floorboard,soaking the carpet


Your heater core has developed a leak - the wetness on the passenger side carpet is engine coolant
from a heater core leak, or a leak in one of the two hoses connected to the back of the heater core.
Your strategy: disassemble dash down to heater core, determine whether you'll need a new heater
core or new hose (or new hose clamp), then replace the offending part.

Jul 20, 2011 | 2005 Chrysler Town & Country

1 Answer

Several weeks ago I had a hose burst in the cooling system -- towards the rear of the engine of my 1997 Safari van. Afterwards I started hearing like the sound of trickling water coming from the heater...


It sounds like you still have a leak somewhere, maybe it's a hose clamp that wasn't tightened or another leak. You should check the coolant level in the radiator, not the overflow bottle. If the system has a leak it won't create a vacunm to draw in the coolant from the overflow, the radiator could be very low. The sound you were hearing was air bubbles in the heater corem maybe the coolant wasn't topped off.. If the core was leaking there would be coolant dripping on the passenger's side floor.

Mar 30, 2011 | 1997 GMC Safari

2 Answers

Coolant leaked out; how do i repair?


TO FIX COOLANT LEAK.YOU HAVE TO LOCATE IT.BEST TIME FIND COOLANT LEAK WAIT UNTIL MORNING.ADD COOLANT UNTIL COOLANT LEVEL IN RADIATOR CORRECT. START THE ENGINE LET IDLE UNTIL START GETTING HOT.THEN TURN OFF ENGINE.COOLANT PRESSURE WILL PUSH COOLANT OUT WHERE LEAKS ARE.CHECK TOP RADIATOR HOSE AND BOTTOM RADIATOR HOSE.CHECK AROUND RADIATOR LOOK DOWN BELOW COOLANT FAN AREA BEHIND RADIATOR.LOOK FOR LEAKS AT RADIATOR CORES AND SIDE CONTAINERS.CHECK FOR COOLANT LEAKS AROUND WATER PUMP GASKET OR WEEP HOLE.CHECK FOR COOLANT LEAKS AROUND HEATER HOSES AND HEATER CORE.CHECK ENGINE CRANKCASE FOR COOLANT LEAKS.

Dec 13, 2010 | 2001 BMW 325

1 Answer

Car overheated and lost all power. how do I get it to start?


ENGINE NOT GOING TO START IF GET TOO HOT FIRST THING I WOULD REPLACE THERMOSTAT AND RADIATOR PRESSURE CAP THEN ADD COOLANT UNTIL COOLANT LEVEL CORRECT THATS WHEN THERMOSTAT OPEN UP AND TOP HOSE HOT.CHECK FOR LEAKING RADIATOR HOSES CHECK TOP RADIATOR HOSE CHECK BOTTOM RADIATOR HOSE.CHECK FOR LEAKS AROUND THE RADIATOR LOOK DOWN BELOW COOLANTS FANS CHECK FOR LEAKS AT RADIATOR CORES OR LEAKS AT THE RADIATOR PLASTIC SIDE CONTAINERS. CHECK FOR LEAKS AT WATER PUMP WEEP HOLE AND CHECK FOR LEAKS AT THE HEATER HOSES AROUND ENGINE BLOCK TO THE HEATER CORE HOSES. THERE IS A REASON CAR OVERHEAT.IF CAR OVERHEAT WHILE DRIVING YOU HAVE FAULTY THERMOSTAT OR LEAKING OUT COOLANT OR BLOWN HEAD GASKET.IF ENGINE OVER HEAT WHILE SITTING DURING A LONG IDLING PERIOD.YOU COULD HAVE FAULTY COOLANT TEMPERATURE SENSOR OR FAULTY COOLING FAN FUSE OR RELAY.HOT WIRE COOLANT TO SEE IF IT RUNS IF NO REPLACE FAN MOTOR. IF YES FAN MOTOR COULD HAVE FAULTY WIRE OR PCM FAILURE. CHECK ENGINE CRANKCASE IF OIL LOOKS LIKE MILK SHAKE ENGINE HEAD GASKET LEAKING.

Nov 26, 2010 | 2002 Mitsubishi Galant

2 Answers

Its leaking from the back of the engine when heater is turned on it begins to turn out water constantly do u know what the problem could be?


On the surface, sounds like the heater core. If you are getting water inside the car (check the floor mats on the passenger side) or are getting a coolant odor, or a mist inside the truck when turning on the defroster, these are all strong indicators that it's a heater core problem. If these symptoms aren't occurring, check the heater hose at the firewall. There could be a small leak where it connects to the heater core.

Nov 23, 2010 | 1998 Ford Expedition

1 Answer

Heater takes to long to get hot and water is dripping form dashboaerd on passenger side i have a 2000 grand jeep cherokee


Sounds like one of two things are happening. Either the hose going to the heater core (on the engine side of the dash) is leaking causing coolant to spray into the passenger compartment or your heater core is leaking which is causing the dripping from the passenger side of the dash. This would also cause a loss of coolant in the engine which would cause the engine to overheat and not enough coolant to get to the heater core to supply heat to the passenger compartment. Check your coolant level (while engine is cold) and refill it with a 50/50 mix of coolant and water after you tighten the leaking hose or replace the heater core.Then start the engine and let it warm up to operating temperature. Again let it cool down and then top off the radiator with the 50/50 mix of coolant. Do not under any circumstances open the radiator cap while the engine is hot.

Nov 16, 2009 | 1999 Chevrolet Cavalier

2 Answers

My 2001 ford taurus is leaking coolant on the firewall side of the engine. is there a coolant hose on that side that could be leaking?


It could be a hose on top of the engine leaking back there. It could also be a freeze plug on the back of the engine. Its a round disk about 2-3" in diameter and is recessed about 3/8" into the block. Check those out and make sure all hoses are good and tight. Any hoses that are kind of puffed out above the clamp should be replaced

Sep 30, 2009 | 2001 Ford Taurus

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