Transmission fluid & filter kit
Cools and lubricates the gears. Old fluid is the top killer of automatics.
Signs it's worn: Slipping, late or harsh shifts, dark burnt-smelling fluid.
What's wrong with my car? · Transmission
Transmission slipping, or shifting hard or late?
Usually: Automatic transmission trouble.
Slipping, late or harsh shifts often start with old, burnt fluid. A car stuck in one gear with a check-engine light can be a shift solenoid.
The parts that fix it
Shift solenoid
Electric valve that tells an automatic when to change gear.
Signs it's worn: Stuck in one gear, check-engine light with a shift code.
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