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Custom Dodge Ram Performance Mods - Engine - 4.7 Liter V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 4.7-liter V8 engine - 310 horsepower, 330 lb-ft of torque.


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  #1  
Old 08-08-2011, 01:05 PM
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snrusnak snrusnak is offline
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Default 545rfe Transmission slipping on 3rd shift

I wasn't exactly sure where to post this as I just noticed there's not a general drivetrain forum...but anyway I guess this applies to most 3rd and 4th gen rams as they almost all have the 545rfe.

My trans has been slipping (or seems like it anyway) on the 3rd to 4th gear shift, and has been getting worse (especially when hot). All other gears shift firm. I've researched and found others with TPS issues but not sure this is related to my problem. I plan to go to the dealer, but just was wondering if anyone knows what it might be? Seems odd, hoping it's electronic or a sensor or something. I have actually noticed (going back to the TPS thing) that sometimes when I start the truck it will sort of stumble a hair but barely at all...like when warming up around 1200 rpm or so it will stumble to 1000 then right back up...then once it idles down to around 600 or so its fine....don't know if this could be TPS.... Thanks for any help. BTW I have almost 50,000 miles.
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Old 08-12-2011, 04:52 PM
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I don't have an answer so, it's time to .................... this back to the top!
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Old 08-12-2011, 05:00 PM
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Join Date: Jan 2011
Location: Orlando
Age: 27
Posts: 13,388
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Vehicle: 2010 Dodge Ram 1500
Trim Level: SLT
Color: White
Engine: 2008-20?? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
Rep Power: 12
Rep:1385
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Redram, you're the bump master!

I'm taking my truck to the dealer in the morning...
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Old 08-13-2011, 06:17 PM
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snrusnak snrusnak is offline
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Join Date: Jan 2011
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Engine: 2008-20?? 287ci (4.7L) PowerTech V8 310hp 330lb/ft
Rep Power: 12
Rep:1385
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Default

Took the truck to dealer this morning (different dealer that is closer to the one I bought the truck at). I picked it up a few hours ago, they "couldn't replicate the condition". This dealer seemed to be much better than the other one and they are closer. GOOD NEWS: I thought I had a 60k mile powertrain warranty, turns out I have like a 90k mile powertrain warranty. Talk about a nice surprize!!!! OTHER GOOD NEWS: They did some sort of computer update....says "UPDATED BCM TSB 08-016-11" anybody know what this is the guy at the counter didn't really have an answer? BAD NEWS: I have to go back during the week (take time off work) to do a drive along to replicate the issue.....oh well....
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