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fluids change 43k

1280 Views 9 Replies 6 Participants Last post by  kkuz
Cts 3.6 di early 2008, 43k miles. Car was used for short fast trips, so I am going to change fluids in AT, differential, engine coolant, brakes...
However, I am not sure which method for tranny fluid would be the best in this case. Should I deinstall the pan and change filter and just refill with new fluid or just drain and refill?
I am also looking for any voice convincing to not use GM fluids... Any recommendations?
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I used:
AMSOIL 5W-30 Signature Series 100% Synthetic Oil
AMSOIL Signature Series Fuel-Efficient Synthetic ATF
AMSOIL SEVERE GEAR 75W-90 Synthetic EP Lubricant
AMSOIL Slip Lock Gear Oil Additive
Prestone Dex-Cool Extended Life
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