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Message: [QUOTE="Big Bore, post: 152835, member: 760"] I seriously could not believe my ears when the tech said that over the phone. I really expected to see a lot of scoring on the gerotor parts. But of course I was under the impression there was no filtration before the pump per my conversation with the AD tech. It certainly makes more sense to me to filter the fuel before it gets to the pump. Agreed I googled AD 100 blowing fuses and around the time this pump was purchased there was a rash of failures being talked about on the forums, and AD reps telling the owners the motor was bad and they would send out a new pump right away. They were failing within 10K miles. I'm not for sure but I'm pretty certain mine did too. In fact as I keep looking back and thinking about when I changed filters the first time, I think it was not working then because I remember thinking how quiet it was and I would constantly comment on how quiet the AD was. When I found the popped fuse after losing my Walbro, and replacing the fuse, the pump ran for about 2 seconds and I know I haven't heard that noise in a couple years/30K. Batteries are 1 year old Interstates holding good charge, alt putting out what it's supposed to, I check regularly on the AIC. Wires are whatever is supplied by AD in the harness. I know it's an assumption but wouldn't AD have sized the wires appropriately for line drop? However along those lines, theres about two feet of wire and plastic loom coiled up and stuffed in front of the battery that I hadn't noticed till I began trouble shooting the prob. Just to reiterate, the truck came with the AD installed and around 7K on it IIRC. Those run around $190. AD will sell me a new pump with lifetime warranty for $175. I wish AD had treated me better on this because I'm willing to accept they got a bad batch of pumps from their supplier. However the way they've limited the lifetime warranty leaves me cold. Decisions. Good advice, a gauge would have saved me a lot of heartache. Now that the pain of my ordeal is wearing off I'm really considering getting a 150 pump to replace the 100 and running it again with a gauge. By the time I go through all the trouble of setting up a water separator pre-pump I'll probably spend the cost of a AD pump and have more labor into it. It won't make me feel any better about AD and the warranty and my ordeal, but it will make me feel better about my Walbro. [/QUOTE]