4.7l won't crank over - JeepForum.com
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post #1 of 2 Old 06-08-2014, 11:08 PM Thread Starter
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Join Date: Jun 2014
Location: Levittown
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4.7l won't crank over

Hi guys I just bought a 2000 jeep grand Cherokee 4.7l v8 with 110k
The car been sitting for about a year I bought it off a friend and it needs a head gasket. I connected a brand new battery to the car and went to turn it over and it made a clicking sound. As if the starter was tryn to turn the crank but couldn't so I thouvht maybe the crank was frozen and the engine was shot. But I realized the battery wires were not in the best of shape so I took them off and cleaned them by brushing them off. Then I reconnected them and the car now cranks but won't fully turn over. It sounds like it wants to turn over but isn't getting full juice to turn over. I think it may just be the ground wire. But I want to hear your guys opinion. And what you guys may think the problem is


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post #2 of 2 Old 06-09-2014, 12:18 PM
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Join Date: Dec 2008
Location: oakville
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Take off the serpentine belt and see that all the accessories spin freely. Something may be seized from sitting. Don't laugh it can happen. I bought one once for dirt cheap because the engine was "seized". Well it was just the alternator had rusted/frozen inside. Better yet, didn't even need a new alternator. I was able to clean it up inside and good to go. If they all spin free, then pull the plugs and try to spin it from the crank. If its impossible or hard to move then you have trouble inside. If it turns easy then its battery, cable, connection, starter related. Hope you get lucky, and yes it can happen, just not often enough.
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