The Chrysler 545RFE 5-speed automatic transmission was assembled in the United States from 2002 to 2011 and installed in rear- and all-wheel-drive models with engines up to the 6.4-liter HEMI. This transmission is best known as the automatic transmission in the second- and third-generation Jeep Grand Cherokee.
Specifications
| Type | automatic transmission |
| Number of gears | 5 |
| Type of drive | rear / all wheel |
| Engine volume, l | up to 6.4 |
| Torque output, Nm | up to 700 |
| Recommended oil | Mopar ATF+4 (MS-9602) |
| Oil capacity, liter | 13.3 |
| Replacing the oil | every 60 000 km |
| Replacing the filter | every 60 000 km |
| Gearbox lifespan, km | ~320 000 km |
Gear ratios Chrysler 545RFE
Using the 2003 Jeep Grand Cherokee with a 4.7-liter engine as an example:
| Main | 3.73 |
| 1st | 3.00 |
| 2nd | 1.67 1.50 in kick-down mode |
| 3rd | 1.00 |
| 4th | 0.67 |
| Reverse | 3.00 |
Using
The transmission was installed on:
- Chrysler Aspen 1 (HG) in 2006 – 2008;
- Dodge Dakota 2 (DN) in 2002 – 2004; Dakota 3 (ND) in 2004 – 2011;
- Dodge Durango 1 (DN) in 2002 – 2003; Durango 2 (HB) in 2003 – 2008;
- Dodge Ram 3 (DT) in 2002 – 2009; Ram 4 (DS) in 2008 – 2011;
- Jeep Commander 1 (XK) in 2005 – 2010;
- Jeep Cherokee 3 (KJ) in 2002 – 2007;
- Jeep Grand Cherokee 2 (WJ) in 2002 – 2005; Grand Cherokee 3 (WK) in 2004 – 2010;
- Jeep Wrangler 3 (JK) in 2006 – 2010.
Disadvantages of the Chrysler 545RFE gearbox
- This transmission is very reliable and durable, but only with regular oil changes;
- Dirty lubricant contributes to rapid wear of the oil pump, especially its cover;
- Due to reduced pressure, the clutches in the Overdrive and then Underdrive packs burn out;
- The solenoid block in the early years of production was weak, but a new one appeared in 2004;
- This automatic transmission is also notorious for frequent failures of the electronic control system.
