Question about 2001 Jeep Grand Cherokee

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2001 grand cherokee - brand new radiator starts smoking every week - must refill coolant every week but no leaks anywhere. Help!

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  • yadayada
    yadayada May 11, 2010

    you have a leak some where, wouldn't you agree?

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There is a leak. the coolant is going somewhare. where does it smoke from? thats where to start looking. if it smokes out the tail pipe, it could be coolant and may need a head gasket or head? A shop can tell you if theres a head gasket problem.

Posted on Oct 06, 2009

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Posted on Jan 02, 2017

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Where could a coolant leak be that drips from the protecting shield under the radiator on a 2001 jeep grand cherokee limited?


The short answer is anywhere above the shield. Look for darker (wet) trails on the front / back of the radiator (where possible) as a sign of a leak origin. Clamps between hoses and radiator openings, thermostat housings, soldered locations such as those around a filler neck, seam, etc. are also candidates for leak locations as well. Inspect the radiator cap too (when cold). Feel along the underside of hoses, support hardware, etc. that slope downward toward the radiator - as coolant may be running along the bottom side of the hose from a different leak origin location. Don't forget that the cooling system is under a small amount of pressure - so a wet spot on the radiator (or anywhere for that matter) could be the result of a stream of coolant that is squirting there - but coming from somewhere else. You could check this after running the engine to normal temperature and shutting it off - then look around for a stream squirting under the hood.

Apr 09, 2015 | 2001 Jeep Grand Cherokee

1 Answer

My engine began smoking and I have a stong smell coming from the under the hood in my 2001 Jeep. Low Coolant lite came on. What is wrong?


Let it cool down, then add water to the radiator, not the recovery bottle. Re-start it and check for leaks. If while checking, it overheats, replace the thermostat and do it again. Replace any leaking items.
If you badly overheated it you may have damaged the engine. If it won't start or makes a lot of noise or, you see lots of white smoke from the exhaust then you have a large problem. (time for a shop)
If everything is OK, then remove the lower hose at the radiator and re-attach it, then refill the system with the appropriate amount of antifreeze (small inexpensive hydrometers are available at most parts houses. You want a 50/50 mix.) Always run the heater on high heat to avoid having air trapped in the system while re-filling.

Nov 25, 2010 | 2001 Jeep Grand Cherokee

1 Answer

I have a 2000 Grand Cherokee with the 4.7 ltr V8 and it is using coolant, no obvious sign's or leaks.ie; split hoses,hole in radiator or any coolant sprayed over engine after driving or any coolant on the...


Any smoke coming from your tailpipe? Could be a blown head gasket and is allowing coolant to seep from your jackets(passages) to your combustion chambers. How about strange odor in your exhaust? Does your fan kick on when at normal operating temperature? How quickly does it use coolant?

Apr 26, 2010 | 2000 Jeep Grand Cherokee

1 Answer

I have 2001 Jeep Grand Cherokee Laredo and it is leaking coolant


Front drivers side could be a bad cap, lower hose or the radiator itself. You need to look carefully and find the leak source. Steam travels and isn't a good indication of where the actual leak is coolant will run down and take any path it can to reach the ground. Therefore, you need to follow it back to where it is coming from, then deal with it. Your water pump can also leak and run down the lower hose. there is a small hole in the pump behind the pulley. If you see coolant coming from there the pump needs to be replaced. Sealers will not work on hoses or pump leaks so don't bother using them for that.
Good luck...don't forget this is free, so rate answers!
I will answer follow-up questions too!

Jan 25, 2010 | 2000 Jeep Grand Cherokee

1 Answer

Good day sir, my radiator leaks coolant from under the radiator whenever i put on my a/c and it runs for a while. it started with the coolant bottle boiling & over flowing. please i need your help


hi sounds to me that your rad is blocked or sprung a leak first drain the rad and then refill with a rad flush run the engine for about 15 mins then drain be careful it will hot /when your engine is cool fill useing rad weild or another brand run this for another 15 min drain and refil as normal if this dose not work i think your looking at a new rad hope this helps if so please give me a rating best of luck pete

Nov 24, 2009 | 1998 Jeep Grand Cherokee

2 Answers

I have a 2001 jeep grand cherokee losing antifreeze no leaks.


This is a hands on diag. If no leaks can be found then the coolant has to be going out the tailpipe. Chances are you have a cracked head or a cracked block. New gasget only temporarily sealed the crack. But then we are just guessing.

Nov 17, 2009 | 2001 Jeep Grand Cherokee

1 Answer

Check gauges light comes on


Sounds like a CPU problem. your radiator may need a good flushing a s well. i would also check the heater core for any unusual problems like seal break or leakage.

Feb 11, 2009 | 2000 Jeep Grand Cherokee

1 Answer

2001 Jeep Grand Cherokee 4.7 Radiator Leak


After 20 minutes, your motor usually comes up to temperature, so that's when the thermostat will open, and start circulating coolant through the radiator. (before that it is just recirculating in the motor). It also takes that long to build up heat pressure, so a leak appearing from the radiator at that point does make sense.

Removing and replacing a radiator is a fairly simple disconnect, reconnect job.
But a new radiator can be somewhat expensive. Some are made from aluminum, some copper (being that yours is a 2001, it's probably aluminum).
So the first step would be pricing out a replacement.

To actually R&R it, let the engine cool, drain the coolant, and dispose of properly, disconnect the hoses, if it's an automatic transmission, disconnect the cooler lines, and plug them with small rubber plugs, and then locate and remove the radiator hold down (it can either be the top plate, or just a couple of simple clamps, usually on the top only. Then lift out and remove the old radiator (it just sets down in the bottom locator) installation is the opposite. Set it in, connect the lines, refill with fresh coolant.

I would not try repairing the old radiator on your own. It can almost be considered an art to clean and re-solder leaks on them. You would then also need a tank and a pressurizer to test it after.

However, you can take your radiator to a radiator shop, and have them repair it for you. Depending in the leak, this can save a substantial amount of money.

A job like this should take less then an hour if you have a new part in-hand, longer if you decide to take it in to be repaired.

Aug 31, 2008 | 2001 Jeep Grand Cherokee

1 Answer

Leaking Coolant / Broken Pulleys /etc


Pressure test the system and check for leaks, use a radiator pressure testing tool kit. Sounds like the radiator may have been damaged by the parts breaking and flying about.

Jul 30, 2008 | 1996 Jeep Grand Cherokee

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