engine

Transmission Mount

for 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD

Difficulty

Moderate

Time

1.6 h

Tools

Steps

This procedure covers removal and replacement of the transmission mount on a 2014 Ram 2500 with 6.7L Cummins diesel engine and 4WD.

Warnings

⚠️Vehicle must be properly supported on jack stands. Never work under a vehicle supported only by a floor jack.

⚠The transmission is extremely heavy. Ensure transmission jack is properly positioned and secure before removing mount bolts.

⚠Diesel exhaust fluid and exhaust components may be hot if vehicle was recently operated. Allow adequate cooling time.

Tools required

Transmission jack or suitable support deviceEssential

Floor jackEssential

Jack stands (minimum 2)Essential

Torque wrench (50-120 lb-ft range)Essential

Socket set (metric)Essential

Wrench set (metric)Essential

Pry bar

Safety glassesEssential

Work gloves

Parts

Transmission mount × 1 — Use OEM specification

Preparation

Park vehicle on level, solid ground and engage parking brake
Chock rear wheels securely
Raise front of vehicle with floor jack and support securely on jack stands at manufacturer-specified lift points
Allow exhaust system to cool completely if vehicle was recently operated
Visually inspect transmission mount and crossmember area for damage or excessive wear

Procedure

1
Position transmission jack
Position transmission jack under the transmission oil pan. Use a block of wood between the jack saddle and pan to distribute load. Raise jack until it just contacts the transmission but does not lift it. The transmission should be supported but not under load.
2
Remove skid plate if equipped
If vehicle is equipped with a transmission skid plate, remove the mounting bolts and lower the skid plate to access the transmission mount and crossmember. Set aside hardware for reinstallation.
3
Remove transmission mount-to-crossmember bolts
Locate and remove the bolts securing the transmission mount to the crossmember. There are typically two bolts accessible from below. Support the mount as you remove the last bolt to prevent it from falling.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
4
Remove crossmember-to-frame bolts
Remove the bolts securing the transmission crossmember to the frame rails on both sides. These bolts may be heavily torqued and may require penetrating oil if corroded. Keep track of bolt locations as they may be different lengths.
5
Lower and remove crossmember
Carefully lower the crossmember assembly from the vehicle. The crossmember may be heavy and awkward to handle. Inspect crossmember for damage, cracks, or excessive rust that would require replacement.
⚠Crossmember can weigh 30-40 pounds. Use proper lifting technique to avoid injury.
6
Remove transmission mount-to-transmission bolts
With the crossmember removed, access is now available to the bolts securing the transmission mount to the transmission case. Remove these bolts and lower the old mount from the transmission. Slightly raise or lower the transmission jack as needed for clearance.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
7
Inspect and clean mounting surfaces
Inspect the transmission mounting surface and frame mounting points for damage, cracks, or excessive wear. Clean all mounting surfaces with a wire brush to remove rust, dirt, and old thread-locking compound. Inspect threads in transmission case and repair if damaged.
8
Install new transmission mount to transmission
Position the new transmission mount on the transmission case, aligning bolt holes. Install mounting bolts and tighten to specification in a cross pattern. Ensure mount is properly seated before final torquing.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
9
Raise and install crossmember
Lift crossmember into position, aligning with frame rail mounting holes and transmission mount studs or bolt holes. Start all crossmember-to-frame bolts by hand before tightening any. Verify crossmember is properly aligned.
⚠Verify transmission mount aligns properly with crossmember before tightening bolts. Misalignment can cause premature wear.
10
Torque crossmember-to-frame bolts
Torque the crossmember-to-frame mounting bolts to specification. Tighten in a cross pattern to ensure even loading. Verify all bolts are properly seated and torqued.
Torque spec
Crossmember Bolts95 Nm (70 lb-ft)
11
Install transmission mount-to-crossmember bolts
Install and torque the bolts that secure the transmission mount to the crossmember. Ensure proper thread engagement before applying torque.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
12
Reinstall skid plate if equipped
If vehicle is equipped with transmission skid plate, raise it into position and install mounting bolts. Torque to specification.
13
Remove transmission jack and lower vehicle
Carefully lower and remove the transmission jack from under the vehicle. Remove jack stands and lower vehicle to ground. Remove wheel chocks.

Reassembly

Ensure all bolts are torqued to specification and no fasteners are left loose
Verify transmission mount is not torn or improperly seated after installation
Double-check that transmission jack and all tools are removed from under vehicle

Verification

Start engine and allow to idle. Check for excessive vibration that would indicate improper mount installation
With engine running, shift through all transmission gears and verify smooth operation without excessive drivetrain movement
Perform visual inspection under vehicle to confirm all bolts are tight and mount is properly seated
Test drive vehicle and verify no abnormal vibrations, noises, or transmission movement during acceleration and deceleration