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Sedans Chrysler LHS Chrysler LHS
1361 messages, Last post on Dec 03, 2009 at 8:56 PM
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Replying to: tsurnick (Oct 14, 2008 6:17 pm) The first thing that comes to mind is air locks in the cooling system. When the radiator is drained AND filled the heater must be full on. If it wasn't then drain and start again. Also as it first warms up after filling, bleed off the air by opening the air release valve on top of the thermostat housing. Remember the heat must be switched full on with the engine running before draining, as it needs the electrics up and vacuum to set the heater full on. Talking of the thermostat, make sure it is correctly oriented. It is eccentric, so make sure it not only is the right way round, but that none of the struts is impeding flow. Most modern thermostats are very sensitive to correct orientation. The third and worst possibility is that you have leak of coolant into the manifold due to a gasket leak around a waterway on the intake manifold. Did you put a bead of blue RTV sealant around the waterways on the intake manifold, as specified in the repair manual? If you are leaking water and replacing it with air, then you should see a white sweet smelling exhaust, especially on first starting up. Also a plug or two will show evidence of water present during combustion. Those are my thoughts on things to check. |
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so i got a working heater control and now it wont blow hot air?? im told that you have to take the entire dash out to access any of the components that could be causing this, i.e the actuator that opens and closes the door to allow hot air to come through. does anyone know if any of this stuff can be accessed without taking the dash out?
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Replying to: nbelt (Nov 12, 2008 8:08 am) As you select modes does air blow from the correct locations? Have you done any work on the cooling system, or drained it for any reason? The heating cooling system is complicated, and you need an accurate diagnosis before pulling ANYTHING apart. You can get fault codes from the ATC . Have the engine idling and the temperature set to 75 degrees. Hold down the top two left buttons and the top farthest right, (floor, mix and defrost). Hold them down simultaneously until the display section blinks, then release them at the same time. The display will blink for a while and then show any double digit trouble codes from 23 to 36. The display can only display one code at once. To move to the next code, press and release the lower left button (panel). Continue until all fault codes are displayed. Record them and post back here.
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Replying to: tsurnick (Oct 13, 2008 1:24 pm) |
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What could cause this car to burn to rich? I have decreased gas millage, decreased power and I can smell a gas/exhaust mix when I come to a stop light. I have to roll the windows down. What components are responsible for gas/air mixture? TIA, nio
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Replying to: niobium8 (Jan 21, 2009 6:18 pm) Even the replaced rails fail more often than they should. Check for fuel leaks first, especially from the fuel rails. If there is no leak, then check engine codes which can be done from the ignition switch. |
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I have a 96 LHS that idles fine. It is when I am driving that the engine runs rough and seems to shudder while accelerating. The transmission shifts smoothly with no hesitation. My overall gas mileage has gone down from 23 to 20mph. I have replaced the air filter, fuel filter, plugs and wires. I have used Lucas upper cylinder lubricant and injector cleaner for the last 4 fillups. Does anyone have any ideas? Thanks.
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I have a 99 LHS and all of the climate controls work but the fan does not blow. Please help me fix this!!!! I heard that it if the coolant is low it will prevent the fan from working- True? 
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Replying to: tuscanskipper (Nov 12, 2008 10:00 am) |
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