Amana dishwashers are generally value-focused, so repair decisions should be especially disciplined to avoid spending close to replacement cost on an older unit. Using Consumer Reports' estimate of about 10 years of dishwasher life, repairs under the threshold can be worthwhile for straightforward component failures like an inlet valve, drain pump, latch, or float switch-particularly if the unit is under half its expected life and the tub area is dry with no signs of leakage.
Replacement becomes more conservative when the dishwasher is older and you're facing multiple parts or recurring drain issues that return after service. Also weigh energy and noise: newer dishwashers are often quieter and more efficient, which can justify replacement when the old unit is already near end-of-life.
The replacement price benchmark reflects a typical mid-market dishwasher listing at a major retailer; many Amana models cost less, so keep repairs conservative when age is high.