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Clutch, Gearbox, Transmission -> Draining, Filling and Topping Up the AM6 Automatic Gearbox for Your Citroen C6 4 Door First Generation (2005-2012)

DRAINING, FILLING AND TOPPING UP THE AM6 AUTOMATIC GEARBOX  
Tool.  
[1] Filling cylinder  
: (-).0340  
Respect the safety and cleanliness requirements.  
Draining.  
IMPERATIVE: Draining of the gearbox must be done with the oil hot (60°C minimum), in order to  
ensure that the impurities in suspension in the oil are eliminated.  
NOTE: Drainage is only partial, as the torque converter cannot be drained totally.  
Raise the vehicle.  
B1BP317C  
Remove:  
- The oil level plug (2) by means of the Torx spanner.  
- The drain plug (1) using a hexagonal spanner.  
NOTE : Around 3 litres of oil should flow out.  
Filling.  
Fit the drain plug (1) (with a new seal).  
Tighten the plug (1) to  
: 5 1 mdaN.  
Remove:  
- The air filter housing.  
- The oil filler plug (3).  
Use tool [1].  
B2CP3WZC  
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DRAINING, FILLING AND TOPPING UP THE AM6 AUTOMATIC GEARBOX  
WARNING: Do not take account of the information mentioned on tool [1].  
Oil capacity for a dry gearbox: 7 litres (approx.).  
Type of oil: JWS 3309 ESSO (red in colour).  
Volume of oil remaining after draining: 4 litres (approx.).  
Quantity of oil to be added: 3 litres (approx.).  
Refit the filler plug (3) (with a new seal).  
Tighten the plug (3) to  
Initialise the oil usage counter (follow the procedure in the diagnostic tool).  
: 4 1 mdaN.  
B1BP317C  
Checking the oil level.  
Prior conditions:  
- Vehicle in a horizontal position.  
- Check that the gearbox is not in back-up mode.  
Remove the filler plug (3).  
Add 0.5 litre of extra oil into the gearbox.  
Press the brake, change through all the gears.  
Gear lever in position "P".  
Engine running, at idle:  
- Oil temperature 60°C (+ 8 ; - 2) (parameter measures with a diagnostic tool).  
- Remove the level plug (2).  
B2CP3WZC  
115  
DRAINING, FILLING AND TOPPING UP THE AM6 AUTOMATIC GEARBOX  
Thread of oil, then "drip-drip".  
Refit the level plug (2).  
Tighten the plug (2) to  
: 0.8 0,1 mdaN.  
"drip-drip" or nothing.  
Refit the level plug (2).  
Stop the engine.  
Add 0.5 litre of extra oil into the gearbox.  
Repeat the topping-up procedure.  
NOTE: The level is correct when the thread of oil becomes "drip-drip".  
Refit the level plug (2) (with a new seal).  
B1BP317C  
Tighten the plug (2) to  
: 0.8 0,1 mdaN.  
Refit the filler plug (3) (with a new seal).  
Tighten the plug (3) to  
: 4 1 mdaN.  
A level of oil that is too high can have the following consequences: Abnormal overheating of the oil, leaks of oil  
causing a level which is too low resulting in destruction of the gearbox.  
B2CP3WZC  
116