There are good belts and cheap belts; you can buy one or the other but not both. I like Gates belts but be aware there is a cheap Gates CRD serpentine replacement belt, like $15 or so, that you definitely don't want. Just get the Premium grade version which costs like $40. By the way if your old belt is still in good shape curl it up in a 2 gallon zip lock bag to save for future emergency use.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs

mine was coming apart like that and rubbing on the back of the power steering pump pulley

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2006 Black Jeep Liberty CRD Limited
K&N, Samco Hoses, Michelin 245/70-16 LTX A/T2, Fumoto F-102, V-Force Muffler, Mopar, Hitch, Trailer Wiring, Skid Plates, Slush Mats, Rear Shelf, Predator Stage 1, Transgo, ORM & CodeReader, Facet 40109 Pump
"IT'S A DIESEL THING, YOU WOULDN'T UNDERSTAND"
Certified Services Auto & Truck Repair

yes it was rubbing also , that was why I was first thinking the PSP was bad until I took off it's pulley

well I should have my new one friday

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05 liberty CRD Limited - suncoast TC , GDE Turbo , GDE TCM Tune 2gen OEM filter head, stant 195 tsat, Autoandart Window Fix, New TB kit ~190k (Geordi)
06 Liberty CRD Limited - stant 195 tstat Autoandart Window Fix, 2gen OEM filter head, New TB kit ~180k (Geordi), GDE Turbo, GDE TCM ECO tune

You could put the tensioner in a vice and press it back together and you will see where the bearing has slid. Comparing with new you can see also. You would think that there would be a snap ring instead of just press fit on a diesel engine that put out lots of vibration. I remember when IH had so many problems with their oil senders until they mounted it to the firewall with hoses and fittings instead directly to the engine block. When the oil sender failed the automatic shut down would kick in and we would have a 12 yard dump truck stuck on the highway full of dirt. The best thing was to replace the sender on the spot rather than unload (not so easy) and tow.

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2006 Black Jeep Liberty CRD Limited
K&N, Samco Hoses, Michelin 245/70-16 LTX A/T2, Fumoto F-102, V-Force Muffler, Mopar, Hitch, Trailer Wiring, Skid Plates, Slush Mats, Rear Shelf, Predator Stage 1, Transgo, ORM & CodeReader, Facet 40109 Pump
"IT'S A DIESEL THING, YOU WOULDN'T UNDERSTAND"
Certified Services Auto & Truck Repair

Your alternator pulley will have to be replaced too, it was the casue of all the stress placed on the tensioner and its failure.

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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"

Not the alternator coupler at all. There are two bearings on the tensioner. One for the roller for the backside of the belt and the other for the spring that hold the belt tight. Well it's the bearing that rotate with the spring that vibrated forward allowing the outer half of the tensioner to scrap up against the power steering pump pulley. Because of that interference the belt can jump off because it jams too loose and too tight. I caught mine before the belt came off but belt was damaged from rubbing the tensioner arm because tensioner was out of alignment. I still have the old one and can take pictures and post if needed.

Edit: Since I replaced my tensioner, I put 1,000 miles on it and it runs smooth. If the alternator coupler was bad I would replace the alternator for the vehicle has 100,000 miles on it. Yep I replace the timing belt too at the same time.

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2006 Black Jeep Liberty CRD Limited
K&N, Samco Hoses, Michelin 245/70-16 LTX A/T2, Fumoto F-102, V-Force Muffler, Mopar, Hitch, Trailer Wiring, Skid Plates, Slush Mats, Rear Shelf, Predator Stage 1, Transgo, ORM & CodeReader, Facet 40109 Pump
"IT'S A DIESEL THING, YOU WOULDN'T UNDERSTAND"
Certified Services Auto & Truck Repair

I have 170,000 on my 05 and that tensioner had 170k on it

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05 liberty CRD Limited - suncoast TC , GDE Turbo , GDE TCM Tune 2gen OEM filter head, stant 195 tsat, Autoandart Window Fix, New TB kit ~190k (Geordi)
06 Liberty CRD Limited - stant 195 tstat Autoandart Window Fix, 2gen OEM filter head, New TB kit ~180k (Geordi), GDE Turbo, GDE TCM ECO tune

I got the new tensioner on , and it is running smooth , even sounds quieter , and the alt pulley is not causing problems , thank god

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05 liberty CRD Limited - suncoast TC , GDE Turbo , GDE TCM Tune 2gen OEM filter head, stant 195 tsat, Autoandart Window Fix, New TB kit ~190k (Geordi)
06 Liberty CRD Limited - stant 195 tstat Autoandart Window Fix, 2gen OEM filter head, New TB kit ~180k (Geordi), GDE Turbo, GDE TCM ECO tune