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Old 05-01-2015, 19:31   #1
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Walbro Diesel Pump Rebuild

Rebuilding a discontinued Walbro pump. I will post pictures as I go. It will take a couple nights, as I have to work and commute.

Fisheries Supply in Seattle has a baffle kit for $5. Given that the new pump model is $130, I can see no reason not to try the kit. I have never done anything like this. I searched the forum and found nothing in the actual rebuild. So here we go.

Tonight I had to hit Sears for a couple tools. Heading home now to begin the removal.

Any and all helpful hints, side bar chuckles, and amusing anecdotes are welcome.

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Old 05-01-2015, 20:02   #2
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Re: Walbro Diesel Pump Rebuild

Seems easy enough to get at. Bet that's a lie.

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Old 05-01-2015, 20:07   #3
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Re: Walbro Diesel Pump Rebuild

Prepped with an absorbent pad and pinched off both lines to minimize mess in my home.

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Old 05-01-2015, 20:20   #4
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Re: Walbro Diesel Pump Rebuild

Wow, that was too simple. Now I am really scared.

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Old 05-01-2015, 20:36   #5
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Re: Walbro Diesel Pump Rebuild

Uhm, be prepared for a bunch of fuel to pour out all over your only counter top.

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Old 05-01-2015, 20:45   #6
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Re: Walbro Diesel Pump Rebuild

The instructions are pretty clear. I am trying to lay everything out in order. Good thing there is a picture.

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Old 05-01-2015, 20:46   #7
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Re: Walbro Diesel Pump Rebuild

Oops, forgot your picture.

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Old 05-01-2015, 21:03   #8
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Re: Walbro Diesel Pump Rebuild

I simply reassembled in reverse. Watch for a 3rd little nylon washer to come falling out. It is not mentioned in the instructions.

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Old 05-01-2015, 21:18   #9
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Re: Walbro Diesel Pump Rebuild

Are you kidding me? Exactly 1 hour since I put it on the bench, it is back together. Does it work? Dunno. I am out of time, for tonight. Reinstall tomorrow.

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Old 05-01-2015, 21:25   #10
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Re: Walbro Diesel Pump Rebuild

OK, I hooked up the wires and hit the switch, nothing. I really have to go to bed. Trouble shoot tomorrow night.

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Old 05-01-2015, 22:01   #11
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Re: Walbro Diesel Pump Rebuild

Upon review, I think I see what I did wrong. A little tinkering and adjusting tomorrow night. Hopefully I just saved myself $125.

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Old 05-01-2015, 22:04   #12
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Re: Walbro Diesel Pump Rebuild

In another thread, a forum member, Chuck, mentioned a screen. The screen is internal from the fuel inlet barb. I inspected visually and deem it clean and clear. But I could not actually access it.

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Old 06-01-2015, 10:46   #13
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Re: Walbro Diesel Pump Rebuild

bobby...what do you use the pump for? an oil stove, engine ful pump, i have 2 of those pumps for sale...one new, 2nd one slightly used...i changed my system, and don`t need them...cheep too!...live in port orchard, wa...clyde
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Old 06-01-2015, 15:34   #14
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Re: Walbro Diesel Pump Rebuild

Quote:
Originally Posted by clyde View Post
bobby...what do you use the pump for? an oil stove, engine ful pump, i have 2 of those pumps for sale...one new, 2nd one slightly used...i changed my system, and don`t need them...cheep too!...live in port orchard, wa...clyde
Clyde, I use it for my diesel heater and to fill the Racor.

I will PM you a little later.

Thanks, Port Orchard is close.
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Old 06-01-2015, 18:18   #15
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Re: Walbro Diesel Pump Rebuild

IT WORKS!

Last night I read the diagram wrong and put part of the electrical circuit inside the pump housing.

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