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Transmission mount replacement on a 1999 Saab 9-5.

Tools:

  • 18 mm socket (upper nut);
  • 13 mm socket (battery clamps, mount bolt);
  • 13 mm wrench (mount bolt);
  • 12 mm socket (battery bracket);
  • 10 mm socket (battery support);
  • Torx T40 socket (index screw);
  • socket extension;
  • torque wrench;
  • hydraulic jack.
03.05.2009
Battery

Undo the nuts on the battery clamps and disconnect the leads. Remove the bracket on the side and lift the battery.
03.05.2009
Battery support

Unscrew the battery support. It's usually held by 2 to 4 small bolts (10 mm), and could be mounted straight or sideways.
03.05.2009
Mount

The mount is right under the battery, held by a couple of bolts.
03.05.2009
Jack

Before removing the mount, support the gearbox from below using a jack.
03.05.2009
Centre nut

Undo the big nut in the middle. The engine might sag some more, make sure the jack is holding up. Remove the Torx index screw.
03.05.2009
Mount bolts

Unbolt the mount from the frame. The front bolt is easy, the one in the rear is blocked by some wires and hoses - use a spanner to reach it.
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Removed

Remove the mount. The engine may shift suddenly after the mount is lifted, watch your fingers!
03.05.2009
Old vs new

You can see the crack on the left side of the old mount. The new version is beefier, and has a provision for a third bolt used on later cars.
03.05.2009
New mount

Insert the new mount. You may need to pump the jack up some more and rock the engine back and forth to get the mount to seat properly.
03.05.2009
Index screw

First, fit the Torx index screw to make sure the mount is positioned correctly. Tighten the upper nut to 62 ft-lbs.
03.05.2009
Mount bolts

Tighten both mount bolts to 35 ft-lbs. Remove the jack.
03.05.2009
Battery support

Re-install the battery support, the battery itself, tighten the bracket and connect the leads.

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