new oil pump ?
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Fleet Mechanic
Joined: Sep 2003
Posts: 1,279
Likes: 0
From: savannah,ga
new oil pump ?
96 e250 5.8 220,000 mi.
running low oil pressure for last year
installing high volume pump to extend life, i hope
no leaks no knocks no burning oil
van runs great
pulled the pan today and will put it back together tomorrow
whats the best way to prime the pump
fill with oil or fill with grease when installing
also does anyone know where to look to tell if the
main journals have been turned
do rebuilders stamp the crank if it has been turned
its been 30 years since the last time i was in an engine
running low oil pressure for last year
installing high volume pump to extend life, i hope
no leaks no knocks no burning oil
van runs great
pulled the pan today and will put it back together tomorrow
whats the best way to prime the pump
fill with oil or fill with grease when installing
also does anyone know where to look to tell if the
main journals have been turned
do rebuilders stamp the crank if it has been turned
its been 30 years since the last time i was in an engine
Senior User
Joined: Jul 2006
Posts: 144
Likes: 0
You need to pull the distributor and get a pump primer to put on the end of a drill to properly prime an oil pump. You should be able to pick a primer up at any local reputable parts store. I let mine turn for about five minutes of so to make sure that the whole engine assembly is properly oiled before start up. I figure I am better safe than sorry when it come to oil starvation.
Hotshot
Joined: May 2004
Posts: 12,170
Likes: 5
From: The hills of No. Calif.
Usually, installing a an HV pump won't cure the problem since it's usually caused by worn bearings. You may get a little more oil flow to the bearings, but I doubt you'll see much change in pressures, unless the old pump is worn out. It may simply be time for a rebuild.
When a crank is turned, the new specs are usually painted on to the front counterweight, often with a yellow paint marker.
When a crank is turned, the new specs are usually painted on to the front counterweight, often with a yellow paint marker.
Fleet Mechanic
Joined: May 2006
Posts: 1,696
Likes: 1
From: S.W. Florida
Iwouldn't opt for the HV pump, just put on the stock replacement pump, ( Melling) An HV pump would just be a band aid. You may have a cam bearing situation, or a worn out oil pump, by-passing oil thru the relief valve. I don't pull distributors and such, just pour a little oil in the new pump, insert the shaft, and give it a few spins via fingertips. If it pumps out the same way you poures it in, spin it the other way, and install. Don't forget to pick up a new pump driveshaft. (5$) AKA- PRICELESS!! Smear lots of grease on the new shaft to hold it in place in the dist. hole and install. My $.02
