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407 automatic transmission

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mariyom

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Discussion Starter • #1 •
Hi, I have a problem with my Peugeot 407 automatic gear transmission.
When I put the car on reverse I get loud cranking sound, when its on drive sometimes it enters smoothly and sometimes it make the cranking sound.
The major problem is when the car is on drive and on motion it refuses to change gear, I think it get stuck on first gear and refuses to change to second, third or other gears.
Please can someone help me with the best fix for this problem?
Thanks
 
mariyom

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Discussion Starter • #2 •
I got mechanic to check the fault thinking it was a gearbox fault but they said my gear box has no problem but they could not figure out the actual problem. Could it be that I need to change the whole transmission oil, check the engine and gearbox fittings or could there be a problem with the electric brain?
Please I need help.
 
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mariyom
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