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350matt
350matt, Engineer - BEng Hons
Category: Saab
Satisfied Customers: 21495
Experience:  Mechanical Engineer with 20 years experience in the auto industry, 8 yrs in formula 1 engine testing
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My Gearbox malfunction Light came on, what I'm to do Saab

Customer Question

My Gearbox malfunction Light came on, what I'm to do Saab 2006 9-3
JA: Sometimes things that you think will be really complicated end up being easy to fix with a Saab. The Saab Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so he can help you best.
Customer: When I'm stop my car move real slow
JA: Are you hoping to fix this yourself?
Customer: no I don't know how
JA: OK! The Saab Mechanic will help you with the diagnostics so you are sure to get this fixed right. Is there anything else the Saab Mechanic should be aware of about your Saab?
Customer: no
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Submitted: 1 year ago.
Category: Saab
Expert:  350matt replied 1 year ago.

Hello

as you have a fault light on then it would be best to get a diagnostic device plugged in to read off the stored fault code and so highlight the fault

I'd also take a look at the colour of the transmission oil it should be a dark red colour if its black then its needs changing together with its oil filter. Also check its level with the gearbox warm and just after you've moved the selector through all the positions leaving it for a few seconds in each one and then back to park.

You can top up the box through the side fill plug if required and make sure you use the correct oil for your car as the fluids are not all the same. Some manufacturers recommended a change of the type of fluid - Speak to the local dealer and parts dept - they will advise you on the updated fluid to use..

If that’s all OK then check all the electrical connections of the gearbox, remove each connector in turn and spray with contact cleaner. Check that the wiring to the gearbox is in good condition with no chafing or frayed wire

If this is OK then check the selector lever linkage / cable under the car for any broken parts and or missing bolts as if this is coming adrift then it can rub on the car body or just bind up

Then - you should top up if low and re try it - or, if its level is ok - and condition is ok - then the next step is to drain it off - open it up and clean the filters inside -- refill and retry it..

Often - just doing the above cures many troubles with these - and you certainly can't condemn the unit without doing the above...