How is fuel venting done on a GM Truck?
The gas cap is sealed, the venting is done through the line Tim mentioned. There are three lines to the tank. 3/8, 5/16, and 1/4 inch. 3/8 is the supply line. Fuel is pumped through this line from the tank to the fuel metering body. (No TBI on a 97 Vortec). The 5/16 returns excess fuel from the metering body back to the tank.
Where is the venting on a gas tank?
The gas cap is sealed, the venting is done through the line Tim mentioned. There are three lines to the tank. 3/8, 5/16, and 1/4 inch. 3/8 is the supply line. Fuel is pumped through this line from the tank to the fuel metering body. (No TBI on a 97 Vortec).
Why is my fuel tank collapsing on my GMC Sierra?
I’m also having this problem with my 2000 GMC Sierra SL c2500 5.7. It creates a vacuum and collapses the fuel tank. Im on my third fuel tank but didn’t realize at first a vacuum was crushing it. Any ideas? It seems the more I read, the more possibilities that could cause it but its getting expensive with the tanks and pumps.
Where can I buy 2003 GMC body parts?
RockAuto ships auto parts and body parts from over 300 manufacturers to customers’ doors worldwide, all at warehouse prices. Easy to use parts catalog. 2003 GMC Parts | RockAuto
Which is GM original equipment vapor canister vent valve?
This valve, when opened, allows air to pass in and out of the vapor canister vent. This original equipment vapor canister vent valve has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
How to test the EVAP vent solenoid ( 1999-2003 )?
How To Test The EVAP Vent Solenoid (1999-2002 V8 Chevrolet Silverado, GMC Sierra). The canister purge solenoid is an emissions control component of the evaporative emissions (EVAP) system of your V8 equipped Chevrolet Silverado (GMC Sierra).
How to replace GM 1997279 emission vapor canister purge valve?
With this Replacement GM 1997279 Evaporator Emission Canister Purge Solenoid Valve, you can get rid of troubles such as “Check Engine Light; Error Code Like P0440 PO455 PO442 P0446; Hard to Start After Filling Up with Gas; Bad Engine Performance and EVAP Emissions High”.