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| 545rfe transmission pump question http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=92270 |
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| Author: | hunter0781 [ Sat Apr 02, 2022 8:45 am ] |
| Post subject: | 545rfe transmission pump question |
Good morning. I'm currently troubleshooting a failed transmission on my Liberty crd. Here's a little background on what happened... I was out for a drive pulling a light trailer. Felt a little bit of slippage at the beginning of my journey then on my way home I was doing about 60mph, I attempted to accelerate, the Jeep down shifted and then I heard a bang under my feet. After that, no torque to the ground. The output shaft still spins but can be held and brought to a stop in all gears. This is a 545 rfe from an '09 ram (50k) with the ram torque converter. I've pulled the tranny and then the pump from the housing. My question is should I be able to spin the pump shaft by hand? Currently it's seized. Thanks in advance Gents. |
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| Author: | WWDiesel [ Sat Apr 02, 2022 11:57 am ] |
| Post subject: | Re: 545rfe transmission pump question |
Just a kinda left field thought, have you tried it in the different 4 wheel drive modes? Could the problem possibly by in the transfer case rather than in the transmission? You saying you felt a bang, lends me to think something mechanical rather than hydraulic??? 
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| Author: | hunter0781 [ Sat Apr 02, 2022 5:09 pm ] |
| Post subject: | Re: 545rfe transmission pump question |
Completely agree. I did check all 4 modes with the same results but I'll plan on splitting the tcase anyways to check the internals. Any ideas if the pump should spin freely by hand? Sent from my SM-G981U1 using Tapatalk |
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| Author: | hunter0781 [ Tue Apr 05, 2022 10:21 am ] |
| Post subject: | Re: 545rfe transmission pump question |
UPDATE: I split the tail shaft then the Tcase. No damage was found. When I went to move the torque convertor I could hear metal chicklets rolling around inside. I think I'll move forward with a new pump and suncoast TC unless anyone else has any opinions. Thanks in advance. |
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| Author: | garretgetsit99 [ Mon Aug 01, 2022 4:27 pm ] |
| Post subject: | Re: 545rfe transmission pump question |
Have you replaced the TC yet and if so did that fix the problem without a complete rebuild? I have the same transmission and it won't even go into gear anymore. I've been looking at this remanufactured unit as an option from these guys, https://reman-transmission.com/transmis ... ode=545RFE, but I'd say just replacing the TC would be a lot cheaper than rebuilding or getting an already rebuilt 545rfe |
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