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Old 12-02-2012, 06:56 PM   #1
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98 2.5l wont start

My fiance wrangler has been having problems with producing enough heat to keep her warm. The heat blows fairly warm just not hot enough. I Have previously flushed the heater core and it improved heating slightly. I have just ordered a new 195 degree thermostat that I have to install.(the current one is opening at 180 degrees and the jeep doesnt reach 210 degrees which I hear is optimal). Before installing the thermostat I decided to check the outside of the heater core to see if that was all full of junk which I hear happens sometimes. To do this I had to remove the battery to access the blower motor. After I finished inspecting the heater core I put everything back together and now the jeep wont start. I charged the battery and cleaned all the terminals. Still no luck. I get a clicking noise when I turn the keys and the volt on the gauges drop. Sometimes I hear the starter motor slowly and intermittintly turning and with the help of some throttle I can get the jeep to start and run fine after a few seconds of throttle. Any ideas of the cause. I am replacing the batter tomorrow morning when I get off work since the battery is at least five years old and came with the jeep when my fiance purchased it. I hope its just the battery but a little hesitant to believe this. Last night, when hooked up to the charger I had over 14 volts and it said battery was fully charged. So if a new battery doesnt help tomorrow where should I begin looking. It lookes like all the connections from the battery are also properly hooked up.

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Old 12-02-2012, 07:06 PM   #2
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I would have the battery tested before just buying another one. Most part stores can do a voltage drop check on them. AS for the no-start, I would check your grounds, it sounds like the starter is not grounded well enough causing it to turn slowly or not at all. Then check the brass connector on the starter, mine broke after I moved it.

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Old 12-03-2012, 09:45 AM   #3
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My battery acted the same. It took a charge, had it tested at the shop and they said it was ok. After checking all the connections I just went and bought a new battery and now it starts fine. My battery was 8 years old.
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Old 12-04-2012, 01:24 PM   #4
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I put the new battery in and the jeep started right up. I guess even if everything looks fine it still is the battery sometimes.
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