Question about 1985 Buick Riviera

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How do I access the fuel sending unit on my 85 riviera

How do I access the fuel sending unit on my 85 Riv?

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In order to access the sending unit the fuel tank will need to come out.

  1. Remove the negative cable from the battery and have a Class B fire extinguisher near the work area.
  2. Use a hand operated pump when possible, to drain as much fuel through the filler tube as possible.
  3. If a hand-operated pump device cannot be used, or to complete the draining process, use a siphon at the main (not return) fuel pipe at the fuel pump or the fuel tank gauge sender unit.
  4. Undo the fill and vent hoses that are accessible support the fuel tank, undo the tank straps and carefully lower the tank undoing the wire harnesses and any remaining hoses as you do.
  5. Once out, remove the sender retainer ring using a brass punch (no sparks) by tapping it counterclockwise.
  6. Reverse procedure to reinstall.

Posted on May 01, 2010

Testimonial: "thanks so much. Good info. I could not find any access cover."

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