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Posted

my 08 C5 auto is a right pita at times and I wish i never bought the bloody thing especially with an auto box.

Does anyone else have a similar prob as me..... 

 

It is piggin slow to change up a gear. Going up a hill, it drops down to 4th, lovely jubbly, but then going over the brow and down the hill onto a flat, it'll just stay there........I have to flip it across and change to 5th....6th or I'm doing 60/65 in 4th at 4500 rpm!!!!!!!!!!!  grrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr 

Posted

If you aren't experiencing any slippage or noises from the gearbox, I would suggest 2 routes of remedy:

 

1st I would get it onto a diagnostic and see if there are any fault codes coming up for the transmission.  These vehicles are prone to valve body electronic solenoid issues and normally put up a fault code giving an indication of where to aim.  A speed sensor issue could often cause a delayed change as it cannot read the vehicle speed.

 

2nd I would consider an oil and filter change in the gearbox.  Make sure the correct grade of oil is used as they are fussy little gearboxes!

 

Hope this helps!

Posted

If you aren't experiencing any slippage or noises from the gearbox, I would suggest 2 routes of remedy:

 

1st I would get it onto a diagnostic and see if there are any fault codes coming up for the transmission.  These vehicles are prone to valve body electronic solenoid issues and normally put up a fault code giving an indication of where to aim.  A speed sensor issue could often cause a delayed change as it cannot read the vehicle speed.

 

2nd I would consider an oil and filter change in the gearbox.  Make sure the correct grade of oil is used as they are fussy little gearboxes!

 

Hope this helps!

 

I was about to suggest gearbox oil good luck

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