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pearlwhite91
Amateur


Name : Kris Carpenter
Age : 40
Location : Sherwood Park Alberta
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oil pump.. Empty
PostSubject: oil pump..   oil pump.. EmptySun Feb 07, 2010 11:08 am

Has anyone taken apart the oil pump and packed it full of petroleum jelly like the Haynes manual has stated to prime it? This seems like a wierd step..just wondering if anyone has done this? By the way the new timing set is in with the new sensor interupter!!Cant wait to get it back together now.... canada hi
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Eldo
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Eldo

Name : Mark
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Location : West Salem, Oregon... FINALLY
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptySun Feb 07, 2010 4:31 pm

Yes... We've built a few motors over the years, and we always packed the oil pumps with vaseline. I also did it a couple years ago when I replaced the gears & springs in the oil pump on the 430 in my Wildcat.
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Rickw
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Name : Rick
Location : Lancaster, MA
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptySun Feb 07, 2010 6:32 pm

There is also engine assembly grease that has the consistency of Vaseline that can be used. Made by most of the oil manufacturers.
I think the last tube that i had was made by Valvaline. Bought it at a speed shop because I couldn't find it at the big box auto parts stores.
Maybe NAPA still carry's it. We also would pack the oil pumps on reassembly, but they were gear type pumps, which the early engines have, not gear-rotor type (later design). Don't know if there is any difference in pre-packing requirements.
If you plan on priming the engine before starting with a priming pump then you don't need to pack the pump.
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deekster_caddy
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Name : Derek
Age : 47
Location : Reading, MA
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptySun Feb 07, 2010 8:11 pm

Rickw wrote:
If you plan on priming the engine before starting with a priming pump then you don't need to pack the pump.

Actually this is what the pump packing is for. All motors should have the oil system primed before initial startup. There can be a lot of metal on metal wear during that initial suction creation that will cause damage if the pump has not been packed. Especially on the older Buick motors, where the oil pump gears were right against the aluminum timing cover.

Not sure how the 3800's oil pump is layed out, if it's steel on steel it's not as critical as the steel on aluminum...
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pearlwhite91
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Name : Kris Carpenter
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptySun Feb 07, 2010 10:03 pm

I've built quite a few small block chevs and fords.....i've primed them by spinning the pump drive shaft thru the distributor. I wait until oil comes out at the rockers..Never had a problem with any of them. Mind you none of the drives were on the timing cover either..I'm just starting to learn about the buick v-6's...different but very cool.
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Rickw
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Name : Rick
Location : Lancaster, MA
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptySun Feb 07, 2010 10:12 pm

pearlwhite91 wrote:
..i've primed them by spinning the pump drive shaft thru the distributor. I wait until oil comes out at the rockers..Never had a problem with any of them.
This is exactly what i was referring to when I said priming the engine.
If it is done this way then packing the pump wasn't necessary.
But on our 3800 there is no distributor, so the only way to pre-prime the engine is with an external pump plumbed into the oil ports at the oil filter with an adapter.
I assumed you didn't have that equipment, so packing the pump with a light petroleum jelly will keep the pump from cavitating until oil pressure is built up while cranking it.
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Eldo
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Eldo

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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptySun Feb 07, 2010 10:28 pm

Rickw wrote:

This is exactly what i was referring to when I said priming the engine.
If it is done this way then packing the pump wasn't necessary.
But on our 3800 there is no distributor...

Whoops, that's right! Good point...
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deekster_caddy
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Name : Derek
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyMon Feb 08, 2010 9:48 am

Eldo wrote:
Rickw wrote:

This is exactly what i was referring to when I said priming the engine.
If it is done this way then packing the pump wasn't necessary.
But on our 3800 there is no distributor...

Whoops, that's right! Good point...

Oh yeah, forgot about that. I guess you have to pack the pump since you can't prime it. oops oops
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BMD
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BMD

Name : BMD
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyWed Feb 18, 2015 8:06 pm

Checked all over the site and unless I missed it, I haven't been able to find a write-up for an oil pump replacement. Is it pretty straight forward? I seem to recall that there is an adapter that our engines use? Do you need to replace the adapter with the pump?
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AA
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AA

Name : Aaron
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyFri Feb 20, 2015 12:22 pm

Not sure if it can be done with engine in the car; maybe it can. I know the front engine cover comes off, so crank pulley (harm balancer) needs to come off. You'll be in where the timing chain is. I could be wrong, but think this to be a pretty involved job.

_________________
'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'05 GTO • 85k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe • 116k miles • 455 Rocket V8
Because cool


'95 Celica • 152k miles • 0-60: yes
Because free
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http://www.cardomain.com/ride/657082/4
Abaddon
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Abaddon

Name : Scott
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oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyFri Feb 20, 2015 1:14 pm

AA wrote:
I could be wrong, but think this to be a pretty involved job.

You aren't wrong. The entire front cover assembly needs to come off. All the oil pump is, is a gear set and pressure valve that's mounted in the front cover, connected to the Camshaft. It's quite a job to tackle....
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AA
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AA

Name : Aaron
Age : 42
Location : C-bus, Ohio
Joined : 2007-01-13
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Merit : 241

oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyFri Feb 20, 2015 2:04 pm

If only our cars had "service position" like the Audis! clap

_________________
'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'05 GTO • 85k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe • 116k miles • 455 Rocket V8
Because cool


'95 Celica • 152k miles • 0-60: yes
Because free
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http://www.cardomain.com/ride/657082/4
BMD
Aficionado
BMD

Name : BMD
Location : Canada
Joined : 2009-04-28
Post Count : 1161
Merit : 36

oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyFri Feb 20, 2015 3:27 pm

Ok, thanks for the response guys. Wow, sounds like a decent size job. On my 68 Charger its right on the side of the block, three bolts. I guess when you go in that far for the oil pump you might as well get everything done, chain, crank sensor, cam sensor etc
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Abaddon
Expert
Abaddon

Name : Scott
Location : Macomb, Michigan
Joined : 2010-02-24
Post Count : 4309
Merit : 185

oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyFri Feb 20, 2015 4:08 pm

BMD wrote:
Ok, thanks for the response guys. Wow, sounds like a decent size job. On my 68 Charger its right on the side of the block, three bolts. I guess when you go in that far for the oil pump you might as well get everything done, chain, crank sensor, cam sensor etc

Yep. Worst part about it is that it's mounted on the inside of the Front Cover. You literally have to take it out of the car and put in on a bench. Then you have to remove the plate that holds it all in. Definitely not easy by any means.
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AA
Administrator
AA

Name : Aaron
Age : 42
Location : C-bus, Ohio
Joined : 2007-01-13
Post Count : 18369
Merit : 241

oil pump.. Empty
PostSubject: Re: oil pump..   oil pump.. EmptyFri Feb 20, 2015 6:50 pm

When I had my engine out, all accessories off, flywheel, blower and LIM removed, I still didn't get to the oil pump. I thought they lasted forever.

_________________
'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'05 GTO • 85k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26
Because fun


'70 Olds Ninety-Eight Holiday Coupe • 116k miles • 455 Rocket V8
Because cool


'95 Celica • 152k miles • 0-60: yes
Because free
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http://www.cardomain.com/ride/657082/4
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