'03 Jaguar X-Type two month old battery dead with new altern


Old 09-17-07, 07:26 AM
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'03 Jaguar X-Type two month old battery dead with new altern

I had my alternator replaced two days ago and when I drove it home from the mechanic everything was fine. The next day my battery charge light was on but I was able to drive it all day. This morning though my car is again unable to start as it was before the alternator was replaced. According to the mechanic the battery passed a load test and did not need to be replaced. The battery is two months old and was replaced after the first one cracked around terminal and sprayed battery acid inside the engine compartment.
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Old 09-17-07, 08:32 AM
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First check to see that the pulley belt is still going over the alternator pulley. Second, check to see that it is tight - less than 1/2" play when checked halfway between it and the next pulley.

Sounds like the alternator may not have been tightened securely.
Old 09-17-07, 09:41 AM
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checked it. the belt is tight.
Old 09-17-07, 09:46 PM
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Maybe the wirirng off the alternator is bad? I would try checking the harness.
Old 09-18-07, 05:16 AM
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Put a metal object such as a butter knife behind the alternator near to the center where the rotating shaft is and see if it grabs the knife like a magnet. Be careful of coarse.
Old 09-18-07, 05:52 AM
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And you could simply have gotten a bad unit, it happens.
Old 09-18-07, 03:57 PM
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Get battery charged. Then see if it drains down by itself while hooked up to car. Maybe the ALTERNATOR was erroneously installed. Maybe the battery is good except something is drawing down the volts overnight or whatever.

What was it that made someone think the alternator was bad?

Battery voltage is what volts after sitting overnight? Then if you (jump start?) it, then what is the reading off the two battery terminals with engine running?

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