Having problems with your 2002 Jeep Liberty ?

Last winter I had the heater core replaced in my 2002 Liberty shortly after having a new raditor put in. Now this winter the heater core is getting clogged. I don't want to keep paying the dealer to unclog the core - how can I do this myself?

Posted / edited by AnonymousUser on : 18-06-2018

Answers :

And why are some many jeeps failed here, named Liberty.
\012odd huh?
\012get rid of it.
\012but yes, you did not flush the whole system
\012or mixed coolants, or wrong, or too weak? not 50%
\012or slow head gasket leak causing filth in the core?
\012is coolant levels holding right, or dropping?
\012my guess is your post is all guesses.
\012why do i think that,?
\012why not post the symptom , both times, at rad fail.,
\012and now.
\012engine overheating?
\012engine under heating, not holding 180F+ ? (scan tool , ect, ah in 1min. flat the reading)
\012cores leaking both rad and heater?>
\012hose leaking,
\012miles on engine, 50k or 300k? what?
\012did you check the heater core for clogged or is that just wild guess.
\012you inspect it in car.
\012pull hose on engine side, and back flush it.
\012oops it not clogged, end guess;.
\012like poster alludes.
\0121: engine at 180f
\0122: both heater core hose at near 180f (IR pryro gun , 1min. work)
\0123: core damper open?
\012all my answers will be wrong, as always, because you never did say the symptoms, both times.
\012question 2:
\012are you commanding others to replace parts
\012or asking them to diagnose the unstated symptoms.
\012try this 4wd page on topic,
\012over heat and links to underheated engine.
\012heater issues?
The first mistake was fixing the heater core on the Liberty in the first place. If you can afford it get rid of the Liberty and get a new vehicle. I bought a 2002 new and it's been one repair after the next. Rocker arms falling off, serpentine belt goes about every 2 years, rear windows don't work and fall down, front suspension is shot, had the ball joints fixed via re-call. All in all, the heater core is best by-passed if you live in a warm climate, otherwise go for the nuclear option and replace the vehicle. In my Jeep it was blowing cold and when I filled up the overflow tank with antifreeze, it started smoking and the passenger compartment smelled like antifreeze and it overheated and cracked a head. After all this the rusting is unbelievable. Very cheaply made vehicle.
Repair Help & Product Troubleshooting for 2002 Jeep Liberty

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