How to Depressurize Fuel Pump Before Disconnecting Fuel Filter - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 2 (permalink) Old 06-25-2018, 07:48 PM Thread Starter
Join Date: Jun 2018
Posts: 1
How to Depressurize Fuel Pump Before Disconnecting Fuel Filter

I followed this youtube tutorial pretty closely. Removed the large fuse for the fuel pump and turned engine on and then off before disconnecting one of the lines to the fuel filter. It still had a lot of pressure in it. Fuel would just go everywhere. Could the pump be direct connected to the battery or is something else going on here? I even went back and removed the smaller fuel pump fuse on the engine fuse box and tried it again. Same results.

---------- Post added at 06:48 PM ---------- Previous post was at 06:48 PM ----------

Heres the tutorial since i forgot to post the link.
LucklessLemings is offline  
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post #2 of 2 (permalink) Old 06-28-2018, 11:30 AM
Join Date: Oct 2011
Posts: 346
You can also pull the fuel pump relay. Then when you crank the engine over, it should start for about a second, then stall. You're still going to spill fuel when you disconnect the fuel filter. Just point the lines up and they should be fine until you get the new fuel filter in place so you can reconnect them.
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