I replaced one pump about two months ago and then another about a week later. Both had cracked themselves and the fluid was coming out slowly.

When it started, I messed around with the cap and went through about a gallon of fluid. Finally just pulling off the pump to inspect closer could see where it was seeping. When I started loosing fluid again a week or so later, I immediately went to the other pump and sure enough, same deal.

Replaced both with pumps from Amazon. Thankfully it was a cheap and easy fix x 2.

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Current garage:
2006 X5 4.8is
2007 Lexus GS350
2011 Cadillac CTS-V Coupe