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I loaned my 2002 3.7 Liberty to a friend . His wife while going very slowly turned it upside down . No major damage . one broken window & minor dents & dings . Transmission fluid leaked out . After topping off power steering & engine oil we started the jeep & added transmission fluid until full...

I'd probably swap the two downstream sensors & see if the code follows the swap .

Just found this , probably answers my question . Jeep Mechanic: Tim Mohr Hi, my name is XXXXX XXXXX is a common problem with this year of jeep, they dont use a serpentine design on the heater core, it is like a radiator, with cross tubes going across the heater core, ovetime they get a calcium...

I have two questions concerning the heater in my 2002 3.7 Liberty . First a rundown of what the situation is & what I know . Both heater hoses get hot , about equally so . I flushed & back-flushed the heater core with garden hose pressure & just water . Water seems to flow freely both directions...

On my 02 heater would barely blow warm & ac would barely blow cold , faulty blend door actuator .

I bought a plug & play pcm off ebay . If you go this route make sure it's guaranteed . It's been a while but I think I paid a tad less than $150.00 .

I had a bad injector fry the injector driver in the pcm so I'd imagine a coil could too .

You sure you're on the high pressure side ? Think I see a blue hose which usually connects to the low side .

Rockauto lists the same part number for the steering rack from 02 through 05 & a different part number for 06 . I was looking at ones for the 3.7 V6 engine .

When the engine is idling & knocking unplug the coil wires one at a time & see if your knock gets a lot quieter or goes away with one of the coils unplugged .

On a 3.7 Liberty you don't need to remove the compressor to replace the clutch assembly , at least not on my 02 or 05 .

Too late now but you should have just installed a new clutch assembly .

If you disconnect the gauges from your ac system both gauges should point to 0 . I'm fairly certain that's going to be the non-arrowhead ends of the hands & the ends you want to take your readings by . It appears that psi is the outside row of numbers on each gauge . I have a set of gauges &...

Lot easier & cheaper to just replace the clutch assembly if that's what's bad . I had a clutch failure & black sticky stuff dripped out .

I'd think compressor clutch first & compressor second .

It says item is in Ca . & lower in the listing it says other countries will be shipped to from china . I would use the ask the seller a question feature & see if the item is in Ca. or not .

I have 05 & 02 KJ's & downloaded manuals for both . 05 manual gives instructions for the procedure but 02 manual doesn't . I have also read that 02's doesn't have the necessary software to perform this procedure . I tried it & it didn't work . Something has to control how long power is supplied...

2002 liberty 3.7 I have been having a problem with barely warm heat & barely cool ac . I have finally isolated the problem . The blend door actuator turns the blend door but not far enough either way . I removed the actuator [ left it wired up ] & turned the switch knob for it while watching the...

I installed a rear wiper motor from an 05 into my 02 . They were the same . When wondering about swapping parts from year to year I will often check part numbers at RockAuto . If different year models list the same part # I figure it will work .

Deleted , I know nothing about the CRD's . Do they all have the 45 transmission if not a manual ?