I believe that in 1990 the 2.0L was replaced by the 2.3L. The 2.3L was offered in two versions. Standard and turbo. However since there may well have been 2.0L available in 1990 I included both capacities.
- Grades:Grade: Saab Turbo Engine Oil or an oil which meets the requirements
of API SG and CCMC G4 or G5.
-
Viscosity: 10W/30, 10W/40, 5W/30 or 5W/40
If your Saab is the Turbo model please remember to take the extra steps necessary to protect the turbo unit.
#1
Before you add any new oil, fill the new filter up first.
#2
After you have secured the oil filter and refilled the rest of the oil remove the coil wire to prevent the engine from starting.
After that turn the engine over for a count of 10 to 15 seconds. Now reconnect the coil wire and start the car.
This extra step is
Critical and Necessary to prime the oil system. If the engine is started with an unprimed oil system and an empty oil filter the turbo will not receive oil for 10 to 15 seconds after start up. Some scientist have speculated that this was in fact an unlikely cause of the last great extinction event that occurred somewhere else. ":->
Hope this helps and good luck.
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