Question about Jeep 2002 Liberty Limited Edition
SOURCE: no heat when car not moving
Ok, judging from what you've said it sounds like a vacuum issue. The temperature controls are activated by vacuum which is produced by the engine. Look for small hoses that lead from the intake manifold to the firewall, check them and make sure they are not broken, disconnected, or leaking. The vacuum directly controls the doors inside your dashboard which push the air to the heater core. Also make sure that the coolant hoses going to and from the firewall are hot. If all that checks out, then the controls inside the car may have gone bad, or may have become disconnected from the vacuum supply, or the actuator door inside the dash is stuck or broken.
Posted on Dec 23, 2008
It appears we have an Air lock scenario and you will need to perform a system Bleed.
Park the vehicle on level ground, when cold remove coolant filler cap, start engine and leave to idle, turn heater on full and blower to max. When engine reaches operating temperature watch and listen near coolant filler, keep clear as gurgling and hopefully a boil over should occur. Top up with very warm coolant and wait as it may do it again.
Check for heat inside vehicle if warm replace coolant cap but keep an eye on temperature gauge as the ~Air lock may have moved on from heater matrix/core so proceedure needs to be carried out again from COLD.
If persistent boil ups/over attention must made in the cylinder head
or gasket area, or possibly water pump?
Please press the Blue button to appraise my FREE Efforts, Thank You!
Paul 'W' U.K.
Posted on Feb 05, 2009
Hi and welcome to FixYa,
Offhand, your described condition indicates a sticking thermostat, that is there is considerable delay before the thermostat opens. It is also possible that there is some restriction wherein the thermostat is not opening completely when the triggering temperature has been reached. As a test and to confirm, you could try temporarily removing the thermostat and operate the engine without one; observe temperature. The side effect of this test is that it would take some time to warm-up the engine, but operationally should not cause anything untoward. Of course, care has to be exercised that the gasket would still be intact.
Good luck and thank you for using FixYa.
Posted on Feb 11, 2009
SOURCE: Check gauges light comes on
Sounds like a CPU problem. your radiator may need a good flushing a s well. i would also check the heater core for any unusual problems like seal break or leakage.
Posted on Feb 11, 2009
Tips for a great answer:
Jan 04, 2016 | 2002 Jeep Liberty
Nov 01, 2015 | 2005 Jeep Liberty Sport
Dec 13, 2014 | 2005 Jeep Liberty
Dec 01, 2014 | 2010 Jeep Liberty
Nov 26, 2013 | 2002 Jeep Liberty
Jan 30, 2010 | 2006 Jeep Liberty
Feb 24, 2009 | 2002 Nissan Altima
Jan 11, 2009 | 2002 Jeep Liberty
Dec 26, 2008 | Hyundai Motor 2002 Sonata
Nov 14, 2015 | Jeep 2002 Liberty Limited Edition
Mar 14, 2015 | Jeep 2002 Liberty Limited Edition
611 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: