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Fuel pump emission lines diagram

Tiny
RBARRITT
  • MEMBER
  • 1997 CHEVROLET VAN
  • 4.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Fuel pump replaced a year ago broke some nylon lines didn't finish and lost some lines from the emission thing at front of tank has two ports. Can't find hose routing map. Thanks
Friday, October 9th, 2020 AT 12:48 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi,

That is the EVAP canister. Pic 1 shows the two vacuum hoses to it. One goes to the fuel tank and the other goes to the EVAP purge solenoid (shown in pic 2).

Note that the line first goes to the vacuum switch (pic 3) and then the purge solenoid (pic 4)

Let me know if this helps.

Joe
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Friday, October 9th, 2020 AT 8:12 PM

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