When I turn the key it cranks over one or two times then the starter just wheezes.

Is this a sign of a dying battery, bad starter, or bad relay?

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2005 CRD Limited Flame Red w/ Renegade rock rails & light bar, AirLift 1000. 225/75R16 MT/R's on cheap black steel wheels, dual MOPAR subwoofers, Ipod kit & seat covers, Samco hoses - totaled and gone. 2008 WK Laredo 3.0L diesel - AirLift 1000, wife won't let me mess with it much. 2013 JK Sahara on order.

The FSM says 1) starter ring gear faulty 2) starter motor faulty. I would have guessed the solenoid drive.

At any rate it does sound like it's time for a new starter.

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'05 Sport CRD 107k miles. NOBODY knows everything.

Ya your starter is just missing contact with the flywheel so its just free spinning making the wiz... time for a new one or a rebuild would be cheaper

How many miles did the replaced starter have on it?

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2006 Liberty Limited CRD, Deep Beryl Green, Yeti tune, Arp studs, new cams, rockers, lifters, TB. "Green Monster"
2005 Liberty Sport CRD, Deep Beryl Green, GDE Hot Tune, ARP studs. "Rocket"
1982 Fiat 124 Spider Convertible. "Fiona"

Have your battery load tested first It's free at a parts store and may end up saving some coins

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Atlantic Blue 06 CRD Limited (his)
Joined by a 2000 XJ Classic (hers)

I've been suspecting the battery since last winter. But those long cranks could have hurt the starter also.

This is getting expensive. In the space of a month I've shelled out $250 for a rear driveshaft, $45 to fix the tire pressure monitor, $225 for two new glow plugs, now I'm not sure it'll start when I want it to.

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2005 CRD Limited Flame Red w/ Renegade rock rails & light bar, AirLift 1000. 225/75R16 MT/R's on cheap black steel wheels, dual MOPAR subwoofers, Ipod kit & seat covers, Samco hoses - totaled and gone. 2008 WK Laredo 3.0L diesel - AirLift 1000, wife won't let me mess with it much. 2013 JK Sahara on order.

$365 later I have a new starter. It sounds different than the old one, even new. Much higher pitch and the engine turns right over. Maybe my battery isn't on it's last legs.

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2005 CRD Limited Flame Red w/ Renegade rock rails & light bar, AirLift 1000. 225/75R16 MT/R's on cheap black steel wheels, dual MOPAR subwoofers, Ipod kit & seat covers, Samco hoses - totaled and gone. 2008 WK Laredo 3.0L diesel - AirLift 1000, wife won't let me mess with it much. 2013 JK Sahara on order.