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  1. #1
    Frank
    Administrator nordwulf's Avatar
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    30 Jul 2010
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    previous: 2006 9-3, 2001-06 9-5, 2011 9-4X
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    Saab 9-5 Oil Specification

    One of the most debated topics on any car forum. Below is the table which the recommended GM specifications. The engine oil discussion in Tech Talk can be found here: The oil thread

    Earlier versions of the 9-5 were not required to use synthetic oil but it is now recommended to only use synthetic. Not using synthetic oil was one of the reasons of the engine failure/sludge problem in earlier models.

    Oil change intervals were also changed through the years. The longest interval was every 15,000 miles / 24,000 km but it's now 10,000 miles / 16,000 km. Many Saab 9-5 owners change it at 5,000 miles / 8,000 km.

    From the Saab WIS:

    Recommended oil quality
    All cars leaving the factory are filled with synthetic engine oil. These products contain components of very high quality in order to meet the demands of our engines.

    Background
    Synthetic oil has been chosen to meet demands on service life and improved fuel economy in order to reduce the impact on the environment. The use of recommended oils will avoid the tendency to build up internal deposits in the engine, which can block the lubricating system and damage components in the engine.

    Engine performance
    Lubrication and viscosity are of the utmost importance when it comes to obtaining the best possible performance from our engines. It is therefore important that the oil recommendations are followed. The beneficial low-temperature flow properties of the oil enable it to quickly reach remote parts of the lubrication system, thereby reducing engine wear. In the same manner, oil viscosity at high temperatures has been adapted to also provide the best function when used in extremely hot markets.

    Fuel economy
    Selecting oil with low viscosity has a positive impact on fuel economy. Problems with wear may arise, however, if the oil film becomes too thin due to low viscosity. The recommended oils maintain the right viscosity at various temperatures. The synthetic oil also generates lower fuel consumption during the warm-up period after start.

    Useful life
    It is important that the oil's properties are maintained to their fullest during the entire change interval. Some oils' additives are consumed too quickly, resulting in internal, engine-damaging deposits and increased wear. The recommended oils meet today's high demands for durability provided that the service programme is followed.

    An often neglected aspect is that more frequent oil changes are necessary if the car is driven often in urban traffic with frequent starts and short driving distances. This is because more fuel and condensation blends into the engine oil in such circumstances.

    Environmental aspect
    Low fuel consumption means fewer emissions, principally of carbon dioxide (CO2).

    Service and oil change
    It is important to follow the oil change intervals specified by the service programme to guarantee the service life of all engine components and to keep engine performance optimised. Both distance driven and time between servicing are of the utmost importance. Servicing must be carried out when any of the criteria such as service messages, distance
    driven or time have been fulfilled.

    Recommendation
    Use oils as specified on the following tables as these oils fulfill the requirements specified above.

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    We strongly discourage the use of additional engine oil additives.
    The risks of using oil that does not fulfil the specifications above are great. If an oil of too low a grade is used, there is a risk or wear due to poor lubrication or coatings in the engine due to prematurely aged oil that cannot keep the engine clean. This could eventually lead to clogged oil ducts and engine damage.

    Oil capacity

    4-cylinder
    When servicing: 4.0 liters
    Total capacity including filter and oil cooler: 5.4 liters
    Difference in volume max-min: 1.0 liter

    6-cylinder
    When servicing: 4.5 liters
    Total capacity including filter and oil cooler: 5.0 liters
    Difference in volume max-min: 1.0 liter

    4-cylinder diesel
    When servicing: 5.2 liters
    Total capacity including filter and oil cooler: 5.8 liters
    Difference in volume max-min: 1.0 liter

    6-cylinder diesel
    When servicing (with filter): 7.3 liters
    When servicing (with filter): 6.6 liters
    Total capacity including filter: 8.5 liters
    Difference in volume max-min: 1.0 liter

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    Last edited by nordwulf; 09 January 2013 at 13:37. Reason: added info

  2. #2
    Juan I. Servin

    Join Date
    13 Nov 2013
    Location
    E. Los Angeles Ca
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    Saab(s)
    1999 Wagon 9-5 2.3
    Thumbs Up:   0
    Thank-you Senor Wulfers

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  3. #3
    Jeffrey
    Master SaabTech/Moderator Burnsside42's Avatar
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    25 Oct 2010
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    Point Pleasant, PA
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    Saab(s)
    - 86' 9KT - 95' 9K Custom CS - 06' 9-3 Combi - 07' 9-7X Arc - 08' 9-3 Convertible - 08' 9-3 TurboX -
    Thumbs Up:   3
    the 2.3L 9-5 engine actually takes about 4.5qts - the 2.0L takes closer to 4. They all leak with age so a little extra isn't a bad thing.

    The newer ecotec 2.0L takes 6.2qts and the 2.8L V6 takes 6.5qts


    On the older cars with the lesser capacity I change them every 4-6,000 miles.
    On the newer cars with the larger capacity I will change them every 5-8,000 miles.

    I use 0W-40 most of the time and use BG MOA additive for my oil - as they are now the warranty on the powertrain if used.

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    European Motor Services, LLC - Point Pleasant, PA 18950 - www.europeanmotorsvc.com

 

 

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