Question about 2002 Jeep Liberty

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I need a trans press sensor switch on a 2002 jeep liberty

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The dealer is your best bet i haven't seen any good quality aftermarket replacement switches yet,most will ship it to you if needed

Posted on Sep 26, 2009

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02 jeep liberty backup !ights wont work bulbs are good

02 jeep. lib.
so fuse are first. anytime elect fail check fuses;.
stated over 1million time here, and is true.
then what is second, scan it, to see if PCM/TCM knows why.
The TCM (tranny brain will tell you if the TRS is bad, a fact)

all scan tool here in usa scan this car, and tells you why.
the car with a autotmatic trans (is it) has TRS switch
trans range switch.
this switch sends 12vdc to the rear when in REVERSE.
many of these cars have many engine choices, not stated here. nor what trans is there, the trans matches engines.
so.... each trans uses a different TRS,
to diagnose this we use a volt meter, if the TRS has 12v in
and no 12vdc out on the R pin , its bad.
easy no?
why not log into mitchell;s DIY and see the schematic there.
2002 KJ Jeep it is.
i have the book.
ill now guess, that its an usa car, and is automatic.
3.7liter engine
this trans the TRS is deep in side the trans, must drop trans pan to reach it, so we do all the above first, to avoid guessing and to do that we use a voltmeter to PROVE the TRS is bad
if car is stick shift, is it? the switch is easy, on left side of box.
this is how all cars work , its called drive train if you post not telling that all you get is no anwser or wrong answers
is that good?, I think not.

this is the automatic, see part 5, and now deep that is?
this is pan off, valve body off view....
26309010-c5eqxh1jp52x53cr354rayll-2-0.jpg here is the schematic for 2002
that TRS is burried deep see?
if pin 1 is 12vdc in REVerse
and pin 6 is not, the TRS is TOASTED ! (BAD)


Oct 12, 2016 | 2002 Jeep Liberty

2 Answers

Location of back up light switch for 2002 jeep liberty

The switch is on the outside of the transmission case. See a photo of it below. It may have a short lead on it or the harness plugs directly in.

Sep 21, 2016 | 2002 Jeep Liberty

1 Answer

I want to change a 3.7 motor off of 2004 jeep Liberty 2wd in order to fit my 2002 jeep liberty 4wd?

engine swaps are complex as is mixing engines to wrong transmissions.
so both are 3.7L, is that it?
you never said what exacty didnt fit.
the flex plate to TC
or TC to A/T pump side mismatch.
if its the flex then get the correct flex plate.
or call jeep parts? ask them for the right parts
the side of the trans has the trans part number
my guess is all you need is the correct flex plate for engine to TC.

Aug 10, 2015 | 2004 Jeep Liberty

2 Answers

Where does the speed governor on 2002 jeep liberty get its signal from.

Why not say the symptoms first
there are many speed controls(govs) on cars.
so I cant guess.
engine rpm & (isc speed reg, gov.)
road speed, called cruise control.
TCM the automatic trans has many speed sensors
some have 1 others 3. and uses the engine speed sensors too
to shift. so what is wrong. first.

all speeds come from a sensor.
so...... ever seen a scan tool and see all that data live ?
get the FSM and read it.
or and study that, its all there, every word and process.

Dec 21, 2014 | 2002 Jeep Liberty

1 Answer

My 2002 jeep liberty is leaking coolant from a hose on the front drivers side. How do I fix this?

Can you actually see the drips when leaking ? I found a mystery leak today. Leaking thru the Trans . Freeze plugs on the back of the block. Had to pull the Trans to verify

Jul 02, 2012 | 2002 Jeep Liberty

1 Answer

2002 Jeep Liberty Sport with the 2.4L (manual Tran.) Speedometer stopped working, Check engine is on, and now it's stalling between shifting and at low rpm.

Speedometer cable may have broken. You can't tell from the outside of the cable, since it has a plastic shield. You have to disconnect it from the transmission to check it. If you can turn the cable inside the shield easily, it is broken.

Apr 30, 2012 | 2002 Jeep Liberty

1 Answer

What does po871 mean on a 2002 jeep liberty

Definition of DTCP0871for All Makes Code: P0871 Category: Powertrain Definition: Transmission Fluid Pressure Sensor/Switch "C" Circuit Range/Performance
this could be low fluid level or a faulty sensor. Not easy to diagnose without seeing the vehicle.
Hope this helps..

Mar 26, 2011 | 2002 Jeep Liberty

1 Answer

2002 Jeep Liberty Radiator/trans cooler

If you want to install another cooler, you will have to put it in-line either bofre or after the radiator. I have a liberty as well, and have done much towing, and have never had the need for an additional trans cooler.

Jul 04, 2009 | 2002 Jeep Liberty

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