you change the tranny when it goes out if that's what you mean, other than that you should change the oil and filter in it between 30 and 50 thousand miles.
The 2004 Chevrolet Impala has a 4-speed automatic.
The bottom of the transmission is the reservoir.
For best performance it would be best to do so every 30,000 miles.
It is in the transmission.
how do you replace a transmission pressure control solenoid in a 2003 chevrolet impala
Automatic trans, 50K, standard trans, 100K.
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4t65e with 2.86 gear ratio and 4RDB,3RDB ON ID. TAG.2003-2004 monte carlo,impala with 3.4 engine.
They recommend 30,000 miles.
You should probably change a Chevy Impala transmission fluid every 3000 miles. This also applies to most vehicles on the road today. It is also important to check your transmission fluid at least twice a month.
Time to change your oil in your engine!
change the oil pump sensor.