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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.

 

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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.

 

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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.

 

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

 

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03.05.2009: Jack
Before removing the mount, support the gearbox from below using a jack.

 

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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.

 

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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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03.05.2009: Removed
Remove the mount. The engine may shift suddenly after the mount is lifted, watch your fingers!

 

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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.

 

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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.

 

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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.

 

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03.05.2009: Mount bolts
Tighten both mount bolts to 35 ft-lbs. Remove the jack.

 

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03.05.2009: Battery support
Re-install the battery support, the battery itself, tighten the bracket and connect the leads.

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