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1994 ram 2500 2wd
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Discussion Starter · #41 ·
When I was searching to see where the weep hole might be I saw them in the same place as in your picture and also higher up on the side of the pump. The weep hole looks like a drilled hole. Waiting to hear back from the seller. Not going to get my truck running today. Bummer
 

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1994 ram 2500 2wd
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Discussion Starter · #42 ·
Did not get a response from the seller. I have started the refund process with Ebay. None of my local auto parts stores have one in stock. Will be ordering another pump tomorrow. Get it sometime next week.
 

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1994 ram 2500 2wd
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Discussion Starter · #43 ·
Crazy idea. What if I disassembled the pump and then drilled a weep hole in the same place as in GAmes' picture and in the pictures I have seen online. Clean out any chips and put it back together. I wonder if it is just a hole. Or if there is something inside. I bet the housing is pretty soft and would be easy to drill. Or I could chuck it up in my mill and use a small end mill to drill the hole.

Some Ebay sellers don't like to mess with paying to have an item returned. Too costly. So you get the refund and also keep the item. I have had that happen in the past. Not often.
 

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What really surprised me was the housing was barely finger tight. It came off with no force at all.
I believe you have stumbled on the cause. If the filter bowl wasn't tight it probably was the air leak.

edit; I see YogiBayor beat me to it. Lift pumps don't normally fail without warning. I wouldn't be surprised the engine will start if you reinstall the old one.
 

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1994 ram 2500 2wd
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Discussion Starter · #46 ·
My thought also about the preheater. I am going to take it totally apart today. The center section also doesn't look to be on all the way. The lift pump that I took off my engine was made by AC in England. Probably a replacement pump. Not OEM. It had part #3925709. Searched for that and found listings for lift pumps for my truck with that part number.
 

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Once again I'm not sure you read Joe G's write-up. The "center section" is the heater that most of us discard.
 

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Any time GAmes agrees that is a go.
 

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1994 ram 2500 2wd
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Discussion Starter · #51 ·
The new lift pump arrived today a 2:30 this afternoon. Just finished getting it installed. Took 5 1/2 hours. The new pump is just like the pump that GAmes posted a picture of. It pumps like champ. Took no time at all to bleed the system and the engine fired right up. Only took a couple of cranks and it started. I am a happy camper tonight.
 

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So was it a lift pump? or the heater/strainer not being tight do you think? I thought in my case it was extremely odd (especially because I have a FP gauge and it was 25-30 psi right before filter change) that the bad lift pump suddenly showed because of a filter change, but I did want people to know that was absolutely the case with my truck.
 

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1994 ram 2500 2wd
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Discussion Starter · #54 ·
I don't know if it was a bad lift pump. But that is what I suspect. The new pump pumps lots of fuel. Didn't take any time at all to bleed the system and the truck started right up.

I have another problem that I started a new thread on today. Driving into town the truck made a clunk noise and now I don't have any gears. No R, D, 2, or 1. Park still works. From what I am reading on the forum is that the input shaft may have broken. I found a trouble shooting guide and will go through the steps tomorrow. Have no idea what a rebuilt trany might cost me or if I can rebuild it myself.
 
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