engine

Transmission Mount

for 2017 Hyundai Tucson 2.5L I4 · AWD

Difficulty

Moderate

Time

1.0 h

Tools

Steps

This procedure covers the removal and replacement of the transmission mount on a 2016-2024 Hyundai Tucson with the 2.5L I4 AWD engine.

Warnings

⚠️Never work under a vehicle supported only by a jack. Always use jack stands rated for the vehicle weight.

⚠️Ensure the transmission is properly supported before removing mount bolts to prevent sudden movement or dropping.

⚠Inspect all mount hardware for damage or corrosion. Replace any compromised fasteners.

Tools required

Floor jackEssential

Jack standsEssential

Transmission jack or wooden blockEssential

10mm socketEssential

12mm socketEssential

14mm socketEssential

17mm socketEssential

Ratchet and extensionsEssential

Torque wrenchEssential

Pry bar

Wire brush

Parts

Transmission mount assembly × 1 — Use OEM specification

Preparation

Park vehicle on level ground and engage parking brake
Allow engine to cool completely if recently operated
Raise front of vehicle and support securely on jack stands at manufacturer-specified lift points
Remove front skid plate or belly pan if equipped using 10mm socket

Procedure

1
Support the transmission
Position a transmission jack or floor jack with a wooden block under the transmission pan to support the weight. Raise jack just enough to make light contact without lifting the transmission.
2
Locate the transmission mount
The transmission mount is located on the passenger side of the transmission. Identify the mount bracket bolted to the transmission case and the mount-to-crossmember connection points.
3
Remove upper mount fasteners
Remove the bolts securing the transmission mount to the transmission case using a 14mm or 17mm socket depending on the specific fastener. Support the mount as you remove the final bolt.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
4
Remove lower mount fasteners
Remove the bolts or nuts securing the transmission mount to the crossmember using the appropriate socket. Note the orientation and position of any washers or spacers for reinstallation.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
Mounting Bolts27 Nm (20 lb-ft)
5
Remove the transmission mount
Carefully lower the transmission jack slightly if needed to create clearance. Remove the transmission mount assembly from between the transmission and crossmember. Inspect the mounting surfaces on both the transmission and crossmember for damage or deformation.
6
Inspect and prepare mounting surfaces
Clean the transmission mount contact surfaces on both the transmission case and crossmember using a wire brush. Remove any rust, corrosion, or old rubber debris. Inspect the crossmember for cracks or damage.
7
Position the new transmission mount
Position the new transmission mount between the transmission case and crossmember. Ensure the mount is oriented correctly with any alignment tabs or dowels properly seated. Raise the transmission jack slightly if needed to align mounting holes.
8
Install lower mount fasteners
Install the lower bolts or nuts securing the mount to the crossmember. Thread fasteners by hand first to ensure proper alignment. Snug but do not fully torque at this stage.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
Mounting Bolts27 Nm (20 lb-ft)
9
Install upper mount fasteners
Install the bolts securing the transmission mount to the transmission case. Thread fasteners by hand first to prevent cross-threading. Snug but do not fully torque at this stage.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
10
Torque all mount fasteners
Torque the transmission-to-mount bolts first to the specified value (65.0 Nm or 75.0 Nm depending on fastener size, refer to factory specification). Then torque the mount-to-crossmember bolts to specification (47.0 Nm or 75.0 Nm depending on location). Follow factory tightening sequence if specified.
Torque spec
Transmission Mount Bolts65 Nm (48 lb-ft)
Mounting Bolts27 Nm (20 lb-ft)
11
Remove transmission support
Carefully lower and remove the transmission jack or support. Verify the transmission settles properly onto the new mount without excessive movement or binding.

Reassembly

Reinstall front skid plate or belly pan if equipped, torquing fasteners to 16.0 Nm (12.0 lb-ft)
Lower vehicle from jack stands
Perform final visual inspection of mount installation from both above and below

Verification

Start engine and verify no excessive vibration is present in cabin
Shift through all transmission gears (Park, Reverse, Neutral, Drive) and verify smooth operation without unusual movement
Perform a test drive and verify transmission operates normally without vibration or noise
Recheck all mount fastener torque after test drive
Inspect mount area for any signs of contact or interference during operation