fuel tank and putting in new one with fuel pump

1998 CHEVROLET CAVALIER
260,000 MILES • 2.4L • 4 CYL • 2WD • MANUAL
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FRANK EVERETT
  • MEMBER
  • 1 POST
After taking out the fuel tank and putting in new one with fuel pump replaced the old connection lines were rusted and got broken. is there any way to tell were the two similar lines go to which line?
Jan 2, 2021 at 2:39 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

The large line or 3/8 line, is the supply line to the front. From the pump, it goes to the fuel filter and then to the motor fuel rail.

https://www.2carpros.com/articles/how-to-replace-an-electric-fuel-pump

The return line goes directly from the pump to the fuel rail. It is a 5/16 line.

Roy
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May 12, 2021 at 7:12 AM
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FRANK EVERETT
  • MEMBER
  • 1 POST
I would like to know where the two 5/16 lines go.
May 12, 2021 at 7:12 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,309 POSTS
this video show the job being done:

https://www.youtube.com/watch?v=Lhd0vd8pdBU&t=416s

Please run down this guide and report back.
May 12, 2021 at 7:12 AM
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