The tools. The things that you can make magic with.

 
My wrench & socket tool wall.

Which tools do you need to fix the SAAB?

I'll answer in five steps:

1. Ultra basic
- Phone number to the local garage

2. Basic
- Ordinary wrench set (8 mm - 20 mm)
- Socket set 1/2" (10 mm - 19 mm, 20 mm, 22 mm, 24 mm)
- Socket wrench 1/2"
- 1/2" short extender
- 1/2" long extender
- 1/2" flex joint
- 1/2" T-shaft
- Regular screwdrivers (small, medium, large)
- Philips (cross) screwdrivers (small, medium, large)
- Torx set (  )
- Hammer
- Impact screwdriver
- Medium adjustable spanner (monkey wrench)
- Set of pliers
- sparkplug tool

3. Advanced
all the above and the following:
- An other s
ocket set 1/2" (10 mm - 19 mm, 20 mm, 22 mm, 24 mm)
- Impact sockets 1/2" (10 mm - 19 mm)
- Torque wrench 1/2" (20 NM - 130NM)
- High strength 1/2" wrench 
- Ring wrench (8 mm - 19 mm)
- Complete 1/4" socket set (3 mm - 12 mm) with extenders, flex joint, T-shaft, wrench, bits
- Complete bits screwdriver set. (Regular, Philips, Torx, In-six)
- Sledgehammer
- Oil filter tool
- Brake wrench set
- Brake tool (pre 1987)
- small and large adjustable spanner (monkey wrench)
- ordinary welding
pliers
- Garage jack
- Jack stands
- Ramps (to drive up on)
- Metal saw
- Metal file (fine, medium and coarse)
- Electric drill
- Drill steel set (1 mm - 10 mm, by 0.5 mm steps) 
- Sanding kit to Electric drill
- Multi meter
- Soldering Iron
- Ignition timing lamp
- Cylinder compression meter

4. Pro
all the above and the following:
- Complement s
ockets 1/2" (21 mm, 23 mm, 25 mm - 32 mm)
- Torx socket set 1/2" (E8 - E20)
-
Torque wrench 1/4" (0 NM - 20NM)
- Automatic brake and clutch oil bleeder
- Complete set to make/fix nuts and bolts
- Brake hose making kit
- Complete set of electric power tools
- Complete set of air powered tools
- Welding equipment

5. Guru
all the above and the following:
- complete machine shop