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Why is my jeep commander leaking green fluid and engine light is lit

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Posted on Jan 02, 2017

alicantecoli
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SOURCE: 2006 Jeep Commander inefficient catalyst

most likely the oxygen sensors (lambada) ,they need changing ,their are two one before the cat and one after,do not think you need a new cat unless it has a min of 150.000 miles on the clock

Posted on Jul 02, 2010

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Your description sounds like a water pump replacement is needed.

Check for leaks when you are done, you may likely have one or two more, when you finally get system pressure again.

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check transmission fluid level could be low if vechicle has 60000 time for fluid filter change.if all is good have transmission shop do diagnostic check using scanner check transmission see whats causing light to flash on.

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Is the check engine light on ?

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I have light yellowish green fliud coming from back of the jeep i only see it on snow


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2007 Jeep Commander won't turn over. Ran it earlier today no problems. The "TRANSMISSION OVER TEMP" indicator comes up. Sounds like it wants to start but just won't. Also have a water leak...


There's always the possibility that the water managed to get into the ECU and fry the system, but I'd hope fervently not. Pull the dipstick. If the fluid looks black, or is shiny, you might be in for a bad day. Drain the transmission oil out if it is black (a $10 fluid vacuum pump from Wal*Mart works wonders here), and pour in the right amount of ATF fluid. It might be that it burnt the fluid so much it changed viscosities, trying to crank the engine and the car forwards? I wouldn't know, but see if that helps.

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Jeep commander 2006 While driving all the lights on the dash lit up.. went off..lit up..off again..car continued to run. Also had to jump start it 2 nights ago Is this a battery problem?


not a battery problem if you could still drive it with lights off,but you do have a loose connection some where,can't tell you why your battery went dead 2 nights ago

Nov 27, 2009 | 2006 Jeep Commander

1 Answer

Leaking


I've had this same problem. First of all, replace your radiator (or coolant recovery tank) cap. If this doesn't fix the problem, check your hoses for leaks that could be letting air into the cooling system.

If the coolant is eruption is violent upon shutting off the engine, check your oil to see if you've got a chocolate milk like look to it. If the engine is completely cold, unthread the oil drain plug just a little until fluid starts to escape. It may be coolant that comes out, or it may be oil. Finally, rent a Block Tester from Autozone (It's $25.00 refundable upon return of the tester) and some Block Test Fluid ($8.99). Run the engine until on the high side of operational temperature with the radiator (or coolant recovery tank) cap removed. Insert the rubber cone into the filler neck and place the aspirator (bulb) on top of the tester. Squeeze repeatedly (yet slowly) for two minutes. This will pull air from the coolant into the tester and eventually the fluid will either remain blue, turn green, or turn yellow. Depending on the fluid, it will turn green or yellow. If it turns either color, you have emissions/combustion gases in your coolant. Unplug one cylinder head's spark plugs and repeat the test to see if that cylinder head is the problem, replug and repeat the test with the other cylinder head. This will tell you which side of the engine is leaking the gases into your coolant.

Positive (green or yellow fluid) test means that your head gasket is blown, or you have a cracked/warped cylinder head or engine block.

Jul 06, 2009 | 1992 Jeep Cherokee Sport

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