Question about 1994 Jeep Grand Cherokee

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Leaking radiator fluid where lower hose connects w/core

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  • Jeep Master
  • 1,146 Answers

Hi:

If you have a leak near the lower radiator connection that just started, it is either a failed hose, or possibly a radiator core leak that is dripping down to that area.
If you havent changed your radiator hoses for awhile, and they feel soft, it isn't a bad idea to change them both. If you drain your radiator to change the hoses, this would be a good time to inspect the radiator, and perhaps you will find the source of the leak.

Posted on Jan 31, 2010

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  • Jeep Master
  • 5,370 Answers

For radiator replacement procedure. I suggest you to click the link below and follow the detailed procedure :-----


Transmission fluid gets into radiator?

http://schematicsdiagram.blogspot.com/2011/12/transmission-fluid-gets-into-radiator.html

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The plastic housing which goes to the upper radiator hose is cracked and leaking?

http://schematicsdiagram.blogspot.com/2011/12/plastic-housing-which-goes-to-upper.html

---------------
Radiator leaking? http://repairhelpcenter.blogspot.com/2011/12/radiator-leaking.html-----------
How to replace Radiator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-radiator-on-audi-and-vw.html

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HOW TO REPLACE AN UPPER RADIATOR HOSE

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-upper-radiator-hose.html

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HOW TO REPLACE A LOWER RADIATOR HOSE

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-lower-radiator-hose.html

-------------
How to replace Radiator on Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-radiator-on-acura-car.html

------------
How to flush cars radiator?

http://repairhelpcenter.blogspot.com/2011/11/how-to-flush-cars-radiator.html

--------
HOW TO PRESSURE TEST A RADIATOR AND CAP

http://schematicsdiagram.blogspot.com/2011/07/how-to-pressure-test-radiator-and-cap.html

----------------
HOW TO REPLACE A RADIATOR

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-radiator.html
------------------

HOW TO REPLACE A RADIATOR SUPPORT

http://schematicsdiagram.blogspot.com/2011/07/how-to-replace-radiator-support.html

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This details will help.

Thanks.

Posted on Feb 17, 2012

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Posted on Jan 02, 2017

Arius
  • 446 Answers

SOURCE: radiator leak

if you want to make sure you can put some soap bubles on the hose and see where the leak has actually taken place as a first step in diagnostic.

just pour the soap on the top and you can see (not inside the radiator), once it blows then there is your leakage.

either the radiator itself is the prob or the hose

Posted on Aug 19, 2008

  • 24 Answers

SOURCE: radiator fluid leak

These trucks have an aluminum and plastic radiator. They are famous for leaking from the seam of the rad tank to rad core. You may be able to spot this by looking closely at the seam of the rad for stains. A pressure test of the cooling system is best for accurate results. Good luck.

Posted on Feb 05, 2009

  • 3 Answers

SOURCE: car is leaking radiator fluid thought changing

these were bad about a bypass tube bleeding assembly going bad on the front of motor and it runs under the intake plenum to the back of the motor, most dealers have about 40 to 50 instock at any given time. Good luck

Posted on May 05, 2009

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1 Answer

Lower radiator hose or core


Before you go replacing a radiator, you need to check out why the quick overheat. Most likely due to low coolant which indicates a leak. Yes the core could be leaking...but it is not the most likely problem. If there is coolant dripping from the lower hose, it could be a simple matter of the lower hose clamp just needing to be tightened. They do work loose occasionally. Check the clamp, and tighten if needed. With the vehicle cold, check and refill the coolant in the both the radiator and the reservoir bottle. Run the vehicle to normal temperature and observe all connection points. IF no leaks are seen, use the vehicle normally and monitor coolant level for a week or so to ensure that you have solved the problem. If you are still loosing coolant, but have no visible signs of loss (drips or puddles under vehicle), then the problem could be a worn out water pump. They often tend to leak only when running and the lost coolant often evaporates on the engine block out of sight.

Oct 04, 2015 | 2001 Dodge Durango

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I have a 1992 Chevy caprice how do I flush the radiator


Remove hoses and use garden hose to run water through both tubes then reverse the flow and flush some more. If that won't clear the debris then replacement will be necessary

Jan 03, 2015 | Cars & Trucks

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My hoses to the radiator are leaking transmission fluid


yup many radiators have a transmission cooler ...would just check the seating of the acorn connections and integrity of the pressure hoses...if you have been a bit heavy on the torque you may have stripped the threads....ugh...!

May 27, 2012 | 1991 Isuzu Rodeo

1 Answer

Steps on removing and replacing radiator on my 1999 jeep cherokee sport 6 cyl. stright


Things You'll Need
  • Waste oil collection pan
  • Needle nose pliers
  • Phillips head screwdriver
  • Wrench set
  • Socket set
  • Antifreeze
  • Water
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  1. Draining the Cooling System
    • 1 Locate the petcock valve on the lower right corner of the radiator and place a waste oil collection pan underneath it.
    • 2 Open the petcock valve by turning it counterclockwise, using needle nose pliers.
    • 3 Wait until all the coolant has drained out then close the petcock valve by turning it clockwise.
    Removing the Radiator
    • 1 Loosen the hose clamp that connects the upper radiator hose to the radiator using a Phillips head screwdriver. Then pull the upper radiator hose off the radiator.
    • 2 Loosen the hose clamp that connects the lower radiator hose to the radiator using a Phillips head screwdriver. Then pull the hose off the radiator.
    • 3 Unscrew the transmission cooler lines from the radiator (automatic transmission only) using a wrench.
    • 4 Unscrew the bolts that secure the radiator to the core support, using a socket.
    • 5 Lift the radiator straight up to remove it from the vehicle.
    Installing the Radiator
    • 1 Lower the radiator into position behind the core support. Be careful: the cooling fins are thin and can be easily damaged.
    • 2 Screw the bolts that secure the radiator into the core support. Tighten with a socket.
    • 3 Thread the transmission cooler line fittings into the radiator. Tighten with a wrench.
    • 4 Slide the lower radiator hose onto the fitting on the bottom of the radiator. Slide the hose clamp over the fitting and tighten with a Phillips head screwdriver.
    • 5 Slide the upper radiator hose onto the fitting on the top of the radiator. Slide the hose clamp over the fitting and tighten with a Phillips head screwdriver.
    • 6 Fill the engine with a 50/50 mix of antifreeze and water.
    • 7 Run the engine and visually inspect for leaks.

Aug 30, 2011 | 1999 Jeep Cherokee 4WD

2 Answers

I own a 1999 Ford Expedition and it is pouring antifreeze from the bottom of the vehicle. I have inspected the radiator and both top and bottom radiator hoses and they are not leaking. The amount of fluid...


Blown water pump seal or the radiator core itself is cracked at the bottom. Check the lower part of the vehicle visually and identify where the liquid is coming out. If it is from the front of the motor it is most likely the water pump. If it is from the base of the radiator the core is damaged. There is a slim chance, if your radiator mix was off and it froze in your area, that one or more of the Engine Freeze plugs popped. This will be the case if the leakage is from the side of the motor, which also brings into play the possibility the Engine core cracked as well causing your problem.

Jan 16, 2011 | 1999 Ford Expedition

1 Answer

I am having a problem with antifreeze smell and leak. I can't see where the leak is coming from but I do see spots on the ground. It does not over heat but it does have a sent of pancake syrup once heated....


LEAK COULD BE COMING FROM RADIATOR.WHEN YOU FIRST START VECHICLE UP IN MORNING LET ENGINE IDLE TO GET UNTIL THERMOSTAT OPEN AND COOLANT PRESSURE BUILD UP. TURN ENGINE.OFF. RAISE HOOD YOU WILL SEE LEAK. THE COOLANT PRESSURE WILL PUSH OUT ANTIFREEZE.LOOK FOR LEAKS AROUND TOP RADIATOR HOSE AND LOWER RADIATOR HOSE.LOOK ON SIDES RADIATOR AND LOOK BELOW RADIATOR AREA WHERE COOLANTS FANS LOCATED RADIATOR CORES WILL LEAK AND LOOK AROUND WATER PUMP + BYPASS HOSE + CHECK HEATER HOSES TO HEATER CORE THAT GOES THROUGH BACK LOWER FIRE WALL.

Nov 12, 2010 | 2002 Ford Taurus

2 Answers

How do I replace a radiator on a 2002 maxima


Nissan Car 350Z & Maxima 1999-06 Radiator - Removal & Installation

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    Negative battery cable Coolant reservoir tank and bracket Upper mounting bracket Upper radiator hose Oil cooler lines, if equipped Lower radiator hose Cooling fan and condenser fan Fan motors and shields Radiator

To install:
  1. Install or connect the following:
    Radiator Fan motors and shields Cooling and condenser fans and torque the bolts to 44 inch lbs. (5 Nm) Lower radiator hose Oil cooler lines, if equipped Upper radiator hose Upper mounting bracket Coolant reservoir tank and bracket and torque the bolt to 44 inch lbs. (5 Nm) Negative battery cable
  2. Fill the cooling system to the proper level.
  3. Start the vehicle, check for leaks and repair if necessary.
WARNING Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    Negative battery cable Coolant reservoir tank and bracket Upper mounting bracket Upper radiator hose Oil cooler lines, if equipped Lower radiator hose Cooling fan and condenser fan Fan motors and shields Radiator
To install:
  1. Install or connect the following:
    Radiator Fan motors and shields Cooling and condenser fans and torque the bolts to 44 inch lbs. (5 Nm) Lower radiator hose Oil cooler lines, if equipped Upper radiator hose Upper mounting bracket Coolant reservoir tank and bracket and torque the bolt to 44 inch lbs. (5 Nm) Negative battery cable

  2. Fill the cooling system to the proper level.
  3. Start the vehicle, check for leaks and repair if necessary.
WARNING Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine coolant escaping from radiator. Wrap a thick cloth around the cap. Slowly turn it a quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
240ef5f.jpg

Fig. Exploded view of radiator and components
  1. Before servicing the vehicle, refer to the Precautions section.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    CAUTION Do not damage or scratch the A/C condenser and radiator core while removing.
    CAUTION Because A/C condenser is onto the front-lower portion of radiator, moving to rear direction should be at minimum.
    Negative battery cable Engine cover Air duct and air cleaner case assembly Bracket mounting bolt for anchoring A/C piping Reservoir tank and bracket Upper and lower radiator hoses Radiator cooling fan assembly On A/T models, A/T fluid cooler hoses. Plug hoses to avoid leakage Cover, then two A/C condensing mounting bolts located in the upper part of the radiator Rotate two radiator upper mount brackets 90 degrees in the direction shown in the illustration and remove fce8147.jpg

    Fig. Removing A/C condensing mounting bolts

    d3c8f50.jpg

    Fig. Rotating radiator upper mount brackets 90 degrees

    edb9f67.jpg

    Fig. Removing radiator
  4. Remove the radiator by performing the following:
    CAUTION Lifting A/C condenser should be minimum to prevent a load to A/C piping.
    With lifting and pulling radiator in a rear direction, disassemble lower mount from radiator core support center. Lift A/C condenser up and remove radiator after disengaging the fitting as front-bottom surface After removing radiator, put A/C condenser on radiator core support center to prevent a load to A/C piping, and temporarily fix it with rope or similar means

To install:
  1. To install, reverse removal procedure.
  2. Check radiator cap for any leaks.
  3. Start and warm up engine. Check for engine coolant leaks and A/T fluid leaks.

Hope this help (remember comment and rated this).

May 12, 2010 | 2002 Nissan Maxima

2 Answers

How to remove a radiator from a ford taurus


Disconnect battery ground cable. Remove battery. Remove battery tray. Remove clip retaining contant control relay module and position module aside. Remove radiator cap. Raise vehicle front end as high as possible. Remove radiator splash shield. Drain radiator. Remove the radiator mounting bracket assembly. Remove lower radiator hose. Partially lower vehicle. Remove upper radiator hose. Remove radiator overflow hose. Remove upper A/C condenser core retaining bolts. Remove upper transmission oil cooler tube clips. Remove lower transmission oil cooler tube. Raise vehicle. Remove lower transmission oil cooler tube clips. Remove lower transmission oil cooler tube. Remove transmission oil cooler bracket and position transmission oil cooler aside. Remove lower A/C condenser core bolts and position A/C condenser core aside(be careful not to loosen the AC condenser lines. Remove radiator support bracket. Remove radiator out through the bottom of the vehicle.
Installation
Position radiator. Position radiator support bracket and tighten nuts. Position A/C condenser core and tighten lower A/C condenser core bolts. Position transmission oil cooler tube and install transmission oil cooler tube bracket. Install lower transmission oil cooler tube. Install lower transmission oil cooler tube clips. Install lower radiator hose. Install radiator mounting bracket assembly. Tighten bolts. Install radiator splash shield. Lower vehicle. Install upper tranmission oil cooler tube. Install upper transmission oil cooler tube clips. Install upper A/C condenser core retaining bolts. Tighten bolts. Install radiator overflow hose and tighten clamps securely. Install upper radiator hose. Position constant control relay module and clip securely. Install battery tray. Install battery. Connect battery ground cable. Fill and bleed cooling system. Start engine and inspect for leaks.

Nov 25, 2009 | 1998 Ford Taurus

4 Answers

When you bypass the heater core the path for the water to go through the core is gone. Correct?, you have connected to engine water line out to the engine water input? thus bypassing the heater core........


No, you just won't have water flow through the heater core, Coolant flows through the engine through the lower radiator hose as the water pump sucks it out of the radiator and pushes it through the engine. It then flows out the top radiator hose when the thermostat opens. It then flows into the radiator to cool off.

Is your heater core leaking?

Aug 27, 2009 | Ford Expedition Cars & Trucks

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