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How do you change the fuel pump in a 1999 Cadillac De ville?
Jenn43068
Make sure it's not working before you change it out because it's a bit pricey The pump is in the gas tank. Disconnect the battery, then the fuel lines, and connectors at the tank. Remove the tank harness and drop the tank. The pump and sending unit is accessible on the top of the tank. Remove the retaining ring or lock and repace the assembly. Use the new gasket and "o" ring that should be included with a new pump. reassemble
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∙ 18y ago
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