iamdub
Full Access Member
Today, after sleeping in and dragging ass with breakfast and coffee all morning, I finally got outside around 1230 to replace the fuel pump. At 1400, it was idling on the lift as I walked underneath to check for leaks, etc.
My lift table was a little short, so I added some wooden blocks:
Only took about 30 minutes to get to this point:
Original compared to the new Delphi. I hope the change in design is an improvement:
Comfortable working height. I disconnected and blew out all the lines to ensure there weren't any remaining carbon pellets:
I replaced the pump because the Tahoe would sputter under hard acceleration, starting just under a 1/4 tank and would get progressively worse. I thought the bucket wasn't staying filled and it was losing fuel when it sloshed to the back under hard acceleration. After all this, I'm now thinking that my problem wasn't the bucket not holding fuel. When I started, my gauge was reading a hair over 1/4 tank. When I removed the original pump, the fuel level in the bucket was higher than what was in the tank, indicating that it was NOT leaking. Also, the tank was lighter than I expected. 1/4 tank of fuel should be almost 40lbs, but the tank felt much lighter than this as I wrestled it around to drop it. 40lbs isn't much, but when it's overhead and sloshing around, you'd feel it. When I backed out of the shop, running on the new pump, my gauge was reading about 1/16 tank. Now I'm thinking the level sensor was inaccurate and I was actually out of fuel- "running on fumes" as the saying goes. I went for a test drive, giving it a few WOT starts from a dig and from ~20mph so it'd downshift and accelerate at its hardest. Didn't miss a beat.
My lift table was a little short, so I added some wooden blocks:
Only took about 30 minutes to get to this point:
Original compared to the new Delphi. I hope the change in design is an improvement:
Comfortable working height. I disconnected and blew out all the lines to ensure there weren't any remaining carbon pellets:
I replaced the pump because the Tahoe would sputter under hard acceleration, starting just under a 1/4 tank and would get progressively worse. I thought the bucket wasn't staying filled and it was losing fuel when it sloshed to the back under hard acceleration. After all this, I'm now thinking that my problem wasn't the bucket not holding fuel. When I started, my gauge was reading a hair over 1/4 tank. When I removed the original pump, the fuel level in the bucket was higher than what was in the tank, indicating that it was NOT leaking. Also, the tank was lighter than I expected. 1/4 tank of fuel should be almost 40lbs, but the tank felt much lighter than this as I wrestled it around to drop it. 40lbs isn't much, but when it's overhead and sloshing around, you'd feel it. When I backed out of the shop, running on the new pump, my gauge was reading about 1/16 tank. Now I'm thinking the level sensor was inaccurate and I was actually out of fuel- "running on fumes" as the saying goes. I went for a test drive, giving it a few WOT starts from a dig and from ~20mph so it'd downshift and accelerate at its hardest. Didn't miss a beat.
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