545rfe
12-21-2012 | 05:16 PM
#11
On The Tree
Joined: Jun 2007
Posts: 166
Likes: 0
From: Cochrane, Alberta
The transmission is actually good, it's Chrysler's software engineers that sucks donkey dicks. They try and save on fuel to the point of the trans committing suicide. It should be like a 4L80 and say to hell with good mileage. (but live to tell about it). Aftermarket programming has come a long way in the last few years on the RFE.
12-23-2012 | 06:17 PM
#12
Thread Starter
TECH Resident
Joined: Aug 2010
Posts: 814
Likes: 0
From: Canada
The transmission is actually good, it's Chrysler's software engineers that sucks donkey dicks. They try and save on fuel to the point of the trans committing suicide. It should be like a 4L80 and say to hell with good mileage. (but live to tell about it). Aftermarket programming has come a long way in the last few years on the RFE.
12-27-2012 | 02:56 PM
#15
Teching In
Joined: Aug 2003
Posts: 9
Likes: 0
From: Southern California
Same transmission, the extra gear in the "6" is just programming.
Per AllPar:
The next six speed derived from the 545RFE was the 65RFE, initially used with V8 versions of the Ram 1500, Durango, and Grand Cherokee. The 65RFE does not have six forward gears in regular automatic mode, only in ERS/AutoStick mode; it is essentially a software and name change, which allows people to reach the “prime” gear via ERS rather than kickdown. An internal Chrysler communiqué to dealers summarized the change in a similar fashion.
Per AllPar:
The next six speed derived from the 545RFE was the 65RFE, initially used with V8 versions of the Ram 1500, Durango, and Grand Cherokee. The 65RFE does not have six forward gears in regular automatic mode, only in ERS/AutoStick mode; it is essentially a software and name change, which allows people to reach the “prime” gear via ERS rather than kickdown. An internal Chrysler communiqué to dealers summarized the change in a similar fashion.
Last edited by TriSum; 12-27-2012 at 03:05 PM. Reason: Added AllPar
12-27-2012 | 04:28 PM
#16
Thread Starter
TECH Resident
Joined: Aug 2010
Posts: 814
Likes: 0
From: Canada
Same transmission, the extra gear in the "6" is just programming.
Per AllPar:
The next six speed derived from the 545RFE was the 65RFE, initially used with V8 versions of the Ram 1500, Durango, and Grand Cherokee. The 65RFE does not have six forward gears in regular automatic mode, only in ERS/AutoStick mode; it is essentially a software and name change, which allows people to reach the “prime” gear via ERS rather than kickdown. An internal Chrysler communiqué to dealers summarized the change in a similar fashion.
Per AllPar:
The next six speed derived from the 545RFE was the 65RFE, initially used with V8 versions of the Ram 1500, Durango, and Grand Cherokee. The 65RFE does not have six forward gears in regular automatic mode, only in ERS/AutoStick mode; it is essentially a software and name change, which allows people to reach the “prime” gear via ERS rather than kickdown. An internal Chrysler communiqué to dealers summarized the change in a similar fashion.
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montealona
Drivetrain & Suspension
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12-29-2008 11:54 PM
1000hp, 545, 545rfe, 645rfe, ats, boost, built, handle, kickdown, performance, programming, rfe, trans, transmission, vs
