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Pelican Technical Article:

Transmission Mount Replacement

Jared Fenton

Time:

2 hours2 hrs

Tab:

$50

Talent:

****

Tools:

13mm/16mm sockets, floor jack or ATV jack, jack stands, wheel chocks, safety glasses, torque wrench, floor jack

Applicable Models:

VW Jetta GL (1998-05)
VW Jetta GLS (1998-05)
VW Jetta GT (1998)
VW Jetta K2 (1998)
VW Jetta Wolfsburg (1998-99)

Parts Required:

Transmission Mount

Hot Tip:

Be sure to have the transmission secured on a jack beforehand.

Performance Gain:

Smoother drivetrain

Complementary Modification:

Replace engine mount

Over time, heat and wear does a number on the three mounts that hold the engine/transmission in place. This usually presents itself as a hard knock under acceleration or rapid braking. This is usually a result of the engine/transmission jerking side to side because the mount is worn out.

Replacing the mount isn't too difficult, but it does require you to move the battery, battery box and intake airbox for access. I also recommend jacking the car up and securing it on jack stands. See our articles on Intake Airbox Removal, Battery Replacement, Battery Box Removal and Jacking up Your Mk4 Jetta for more information.

Before beginning the job, it is crucial that you support the underside of the transmission with either a floor jack or an ATV as shown here.
Figure 1

Before beginning the job, it is crucial that you support the underside of the transmission with either a floor jack or an ATV as shown here. The jack will allow you to lower the transmission enough to slide the mount out from the chassis.

Carefully pry open the tabs (green arrows) on the cover to the cable routing tray just above the transmission mount.
Figure 2

Carefully pry open the tabs (green arrows) on the cover to the cable routing tray just above the transmission mount. Pull the cover off carefully, as it is very easy to break.

Inside the cable tray is an access hole for the 13mm bolt (green arrow) securing the mount to the chassis at the rear.
Figure 3

Inside the cable tray is an access hole for the 13mm bolt (green arrow) securing the mount to the chassis at the rear. Loosen and remove the bolt.

Now loosen the front 13mm bolt (yellow arrow) holding the front of the transmission mount to the chassis.
Figure 4

Now loosen the front 13mm bolt (yellow arrow) holding the front of the transmission mount to the chassis. Also loosen and remove the two 16mm bolts (green arrows) holding the mount to the transmission.

The rear 13mm mounting bolt for the mount is accessed through this hole (green arrow) in the cable tray.
Figure 5

The rear 13mm mounting bolt for the mount is accessed through this hole (green arrow) in the cable tray. Loosen and remove the bolt.

At this point, you'll need to lower the transmission with the floor jack enough to allow the transmission mount to slide out of the chassis.
Figure 6

At this point, you'll need to lower the transmission with the floor jack enough to allow the transmission mount to slide out of the chassis.

And here's the finished result with the mount removed.
Figure 7

And here's the finished result with the mount removed. Be sure to inspect the rubber portion (green arrow) for any cracking or separation. Installing the new mount is the reverse order of removal.


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Page last updated: Fri 12/9/2016 03:05:54 AM