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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | I would disassemble the pump and inspect it.
Most pumps will have some scoring on the gears but that is okay. The thing to watch for is loosness in the main shaft.
I also like to look at the relief valve spring, they can have a fair amount of wear on them from rubbing against the housing.
New pumps are available, even on ebay.
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