dads6x6
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Any tips on rebuilding my M37 fuel pump?
my oil smells like gas, may have burned the barings.
my oil smells like gas, may have burned the barings.
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M-37 fuel pump rebuild
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kdaniels
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That is one of the greatest fears for me with these trucks and why I keep a check on the oil level closely. As far as rebuilding a fuel pump goes I have sent several to John @ Mid-West Military to be repaired so the internals will take the new gas. I'm sure there are others on this site that can do the same, but I've bought from John over the years and he's always stood behind his work. You would have to really thinned out that oil bad to kill the bearings unlike antifreeze which is almost an instant death sentence.
Rebuild your pump, change your oil and filter and keep a check on the oil pressure and any new engine noise. You'll notice it soon enough if it's BAD.
John Bizal /Midwest Military..952-440-8778...he knows tons more than I do and you can trust his word.
SEMPER FI !!
keith
Rebuild your pump, change your oil and filter and keep a check on the oil pressure and any new engine noise. You'll notice it soon enough if it's BAD.
John Bizal /Midwest Military..952-440-8778...he knows tons more than I do and you can trust his word.
SEMPER FI !!
keith
dads6x6
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kdaniels
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That's NICE work there!!
Semper Fi !
keith
Semper Fi !
keith
point
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I gave up on my stock pump and put in an electric. I still have the pump and will figure it out one day.
GUNNY 155
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If you want to do it your self check out Then and Now Automotive. I believe they are in CA. I got a couple of kits for mine and for my spare. They specialize in parts that will stand up to today's fuels and oils. Mine has been in service now for about 3 years.
dads6x6
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Midwest military has kits as well
the pump itself isn’t really that complicated, it’s just the old rubber goes bad. My new when from Midwest has better rubber that is 50 yrs newer as well.
the pump itself isn’t really that complicated, it’s just the old rubber goes bad. My new when from Midwest has better rubber that is 50 yrs newer as well.
cucvmule
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How was the inside of the fuel pump on disassembly? Looks really great all clean, rebuilt and ready for install. The baked on dirt, oil, grease, gasoline is like a type of finish all its own. With old carburetor, fuel pump nos kits I use a little talc or baby powder on gaskets meeting surface to keep from sticking gaskets, for easier rebuild or inspection. Chapstick works good also. Out of habit I also check before disassembly the screws, bolts, fittings for being tight, no stripped threads. And I will focus on repair before rebuild.
The newer rebuild kits sometimes use gaskets adapted to todays fuels to last longer. I also use a lead additive in my fuel on my older pre 75 equipment to help with lubricating moving friction parts, like valves for increased wear protection.
A little information too late.
The newer rebuild kits sometimes use gaskets adapted to todays fuels to last longer. I also use a lead additive in my fuel on my older pre 75 equipment to help with lubricating moving friction parts, like valves for increased wear protection.
A little information too late.