I suspect my rear pump to have failed. Sounds like rocks in the rear housing.

Is this a procedure commonly performed by shops? Or is my shop guy gonna say "might as well rebuild it"? I don't want it rebuilt if it doesn't need it. it's just noisy.

1979 450 SEL.

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RIP: 80 300SD
RIP: 79 450SEL
2002 E430 4matic (212,000km)
2002 ML500 'sport'

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