Question about 2002 Jeep Liberty

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2002 Jeep Liberty 3.7L cooling problem (60,000 miles) : it would overheat if driving at low speeds (30mph and under) . Repair shop did pressure tests, results were good. Fan was checked out and was told it was working ok. Kindly seeking any suggestions? Greg

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There is only so much to the cooling system. Although I
should be careful what I say cause my 02 liberty might over hear me and remind me just how temperamental their cooling system is.

I would replace the thermostat and if that didn't work you may want to remove the top plate holding the radiator down to check for any debris that may have collected on the radiator vanes.
I just replaced mine 3 days ago and the part cost around $20 so it's a pretty cheap item.

As long as your not losing coolant then that's about all you can do. If you are losing coolant regardless what the pressure test shows let me know and I'll help diagnose that problem.
Hope this helps.

Posted on Dec 11, 2009

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Posted on Jan 02, 2017

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1 Answer

Jeep liberty overheating


check that the cooling fan is operating , if does check the coolant level and check the coolant for signs of oil , remove the oil filler cap ,look at the under side of the cap , if has a white/grey sludge that would indicate that theres coolant in the oil ,possable head gasket problem so would need further investigation at a repair shop.let me know how you get on

May 07, 2014 | 2003 Jeep Liberty

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How do I change an oil sensor in a 2002 Jeep Liberty?


why?
post symptoms. (leaks?)
too low idle speed?
what?
the lamp comes on , when oil pressure is too, low
one way is stuck open egr, and rpm 800 good) drop to 300.
look at the tachmeter, see where RPM is.

blind answer , unscrew it CCW.
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Jan 18, 2014 | 2002 Jeep Liberty

1 Answer

2005 Jeep Liberty over heating


So what is the question ?

You can not use it like that

You know how to diagnose &
repair yourself or you go to
a repair shop

Nov 19, 2012 | 2002 Jeep Liberty

1 Answer

2005 Jeep Liberty 3.7L overheating


it's overheating, for sure,
is coolant levels dropping? cold checked at rad cap?
"pulled over and found a hose to cool the radiator and hose near the thermostat,"
i can not understand this statement"above"
if it overheat only parked, check fan for full ops.
if overheats moving too, wont stay cool moving fast
then:
bad rad cap
bad thermostat , they have 7 year life says STANT. (and why)
belts slipping (to water pump)
rad cores blocked (IR thermo gun it) ask
water pump impellers rust 1/2 gone?

all this assumes no coolant loss, if you have loss, tell where.,
where it leans
ground
passengers toes (foot well)
engine oil pan? milky oil
if A/T TRANS, check it for milky too.

Mar 17, 2017 | 2005 Jeep Liberty

1 Answer

Is it the engine cooling fan or some type of fan relay switch because my fan stopped working and jeep overheats when idling or at speeds below 30mph while A/C is on.


I would look to the electrical side of the fan operation. You have three basic components to the cooling fan operation...the fan switch, the fan relay, and the fan motor. You need to determine what part of the system is not working. If you can run a 12V jumper wire to the motor and it works you know it must be either the switch or the relay. if you jump out the switch and the fan runs, you know it must be the switch.

Feb 09, 2018 | 2005 Jeep Liberty

1 Answer

Can I engage and disengage the 4 wheel drive while I'm driving? At what speed?


You can engage from two wheel drive to four wheel drive at any reasonable speed though I find it's easier on the transfer case if you do that below 45mph. Lift you foot off the gas as you shift so the unit is not under stress. To engage 4 low, you should not be traveling faster than 5mph and then, only on slippery surfaces. When in that gear, it is not advisable to travel much faster than 25-30mph and never on dry ground.

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1 Answer

2002 jeep liberty over heating - relaced themostat


does it overheat at freeway speeds? No? then check the cooling fan and its fuses, relays, and connections. Make sure coolant level is correct. When you turn the AC on do the radiator fans turn on?

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change oil pressure switch it' should be near the oil filter

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1 Answer

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oil level is low you have a leak. or they didn't add enough maybe your oil pump is going bad causing low oil pressure.

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