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Q's about priming the 3VZE oil pump before starting #448550
05/11/04 01:01 PM
05/11/04 01:01 PM
SHAD  Offline OP
Body Damage is Cool
Joined: Jun 2002
Posts: 1,698
South Burlington, VT
Ok so I am ready to start up my vehicle how exactly do I prime the oil pump?
I did squirt a good amount of lucas oil in it prior to assembly of the oil pickup tube so it does have something thick to start suction of oil do I crank the engine a few times by hand first then attempt to start it?
Anyone? I don't want to damage any of the bearings before I start it up since I just rebuilt it.

Last edited by SHAD; 05/11/04 01:05 PM.

86 Toyota 4 runner
35x12.5 BFG MT's, 4.56's XRC8 winch
My cardomain page
From the Off-Road World
Re: Q's about priming the 3VZE oil pump before starting [Re: SHAD] #448551
05/11/04 01:48 PM
05/11/04 01:48 PM
SHAD  Offline OP
Body Damage is Cool
Joined: Jun 2002
Posts: 1,698
South Burlington, VT
Anybody? Should I pull the coil wire and crank it over a few times to build oil pressure? I also heard someone say to squirt some oil in each cylinder with a syringe before I start it.
I never did this with a v8 I rebuilt.

Last edited by SHAD; 05/11/04 01:50 PM.

86 Toyota 4 runner
35x12.5 BFG MT's, 4.56's XRC8 winch
My cardomain page
Re: Q's about priming the 3VZE oil pump before starting [Re: SHAD] #448552
05/11/04 02:03 PM
05/11/04 02:03 PM
foxtrapper  Offline
Body Damage is Cool
Joined: Jul 2003
Posts: 1,262
Westminster, MD
I personally would advise against oiling up the cylinders prior to starting. That's a good way to get your nice new rings all sticky when the oil burns.

I personally have had lousy luck getting oil pressure spinning an engine slowly on the starter motor. But, if you're determined to do so, go ahead and pull the spark plugs to minimize load on the bottom end bearings. This of course does nothing for the camshafts and associated linkage.

I personally would simply fire the engine up, and axiously watch the pressure gauge or idiot light, waiting to see it go out in a few seconds. Assuming the bearings are properly pre-lubricated, they will be fine for the brief time necessary to build up oil flow and pressure.

Re: Q's about priming the 3VZE oil pump before starting [Re: foxtrapper] #448553
05/11/04 02:09 PM
05/11/04 02:09 PM
SHAD  Offline OP
Body Damage is Cool
Joined: Jun 2002
Posts: 1,698
South Burlington, VT
Well I got impatient and talked to toyota they told me pull the EFI fuse and pull the coil wire crank the engine for 3-4 minutes with a few breaks in between to all the starter to cool and watch the oil pressure guage when it starts to move you should be ready to crank.
I didn't add oil to the cylinders yet. I did lube the walls with a oiled clean cloth prior to putting on the heads though.
I did use lucas oil as a pre-lube for everything when I assembled the engine.
Thanks

Last edited by SHAD; 05/11/04 02:10 PM.

86 Toyota 4 runner
35x12.5 BFG MT's, 4.56's XRC8 winch
My cardomain page
Re: Q's about priming the 3VZE oil pump before starting [Re: SHAD] #448554
05/11/04 04:05 PM
05/11/04 04:05 PM
M
mt_goat  Offline
Body Damage is Cool
Joined: Sep 2002
Posts: 1,878
Oklahoma
I once saw a post from Bill about packing the oil pump with vaseline to prime it, but I've never done it. I never use the stuff myself. <img src="/forums/images/graemlins/butwiggle.gif" alt="" />


93 4X4 ext-cab, auto, SR5, 3.4 V6, supercharged, 2.1" pulley, URD fuel mods, Aquamist WI, IPT valve body mod, dual cases, 4" superlift, Alcan springs, 33 BFG MT, ARB locked front & rear, 5.29 US Gears, RB 1" BL, 1.5" BJ spacers, TJM T-17, Warn m8000.
Re: Q's about priming the 3VZE oil pump before starting [Re: mt_goat] #448555
05/11/04 05:17 PM
05/11/04 05:17 PM
SHAD  Offline OP
Body Damage is Cool
Joined: Jun 2002
Posts: 1,698
South Burlington, VT
Well I did it like toyota told me it worked. It took about 10 mins between breaks to let the starter cool down.


86 Toyota 4 runner
35x12.5 BFG MT's, 4.56's XRC8 winch
My cardomain page
Re: Q's about priming the 3VZE oil pump before starting [Re: mt_goat] #448556
05/11/04 05:59 PM
05/11/04 05:59 PM
Red_Chili  Offline
Toyota Section Staffer
Joined: Aug 2001
Posts: 5,986
Littleton, CO
I was just quoting Darrin.... I plead ignorance. <img src="/forums/images/graemlins/shiner.gif" alt="" />


-Bill
'87 4Runner w/ '96 5VZ-FE, 'Red Chili II'
'97 Taco XtraCab 3RZ-FE, 'BlackBean'
TLCA # 13257, Rising Sun 4x4 Club Land Use Coordinator
"He who stops being better stops being good." -Oliver Cromwell
Re: Q's about priming the 3VZE oil pump before starting [Re: Red_Chili] #448557
05/11/04 06:29 PM
05/11/04 06:29 PM
SHAD  Offline OP
Body Damage is Cool
Joined: Jun 2002
Posts: 1,698
South Burlington, VT
Toyota told me that squirting oil in the cylinders before starting it would just burn oil on the rings and gum things up.


86 Toyota 4 runner
35x12.5 BFG MT's, 4.56's XRC8 winch
My cardomain page
Re: Q's about priming the 3VZE oil pump before starting [Re: SHAD] #448558
05/11/04 06:40 PM
05/11/04 06:40 PM
Red_Chili  Offline
Toyota Section Staffer
Joined: Aug 2001
Posts: 5,986
Littleton, CO
IMHO, FWIW, etc... rings aren't the biggest potential dry-start problem, main and big-end bearings are.

Along those lines, when I worked with a BMW motorcycle mechanic in his off hours to rebuild my wife's swapped in R100 motor, I was horrified to see he was careful to keep the rings DRY and start the motor DRY... he said ring break-in was helped by it being dry, it took forever otherwise. Probably not same/same.... Seemed wrong to me, but that motor is exceptionally healthy to this day.


-Bill
'87 4Runner w/ '96 5VZ-FE, 'Red Chili II'
'97 Taco XtraCab 3RZ-FE, 'BlackBean'
TLCA # 13257, Rising Sun 4x4 Club Land Use Coordinator
"He who stops being better stops being good." -Oliver Cromwell
Re: Q's about priming the 3VZE oil pump before starting [Re: Red_Chili] #448559
05/11/04 06:59 PM
05/11/04 06:59 PM
Esquire812  Offline
Trail Leader
Joined: Apr 2002
Posts: 5,688
Port Orchard, Washington
Quote
I was just quoting Darrin.... I plead ignorance. <img src="/forums/images/graemlins/shiner.gif" alt="" />


Dont listen to DaRRin, take it from me instead! Darin...the other white meat. <img src="/forums/images/graemlins/ignore.gif" alt="" /> I have no clue what the oiling system is like on the 3.0L engine. But on the 22R series engines- the pump needs to be primed for the pickup to draw oil immediately. I agree on the mostly dry cylinder walls for breakin. There should be enough lubricant in there from when the pistons were installed and too much WILL gum up the rings. When getting the rings to seal, all thats pretty much happening is they are shaving the peaks off the honing ridges leaving a nice platue shape. This shape is how the bore retains oil for the complete cycle. Kinda interesting cutting open the break-in oil filter after its been changed out. Lots of pretty shiny stuff in there!
~Darin <img src="/forums/images/graemlins/baby.gif" alt="" />


88' 4x4 *22R-EB Gen II*
87' $Runner *22R-EB Gen I*
85' Sillyca 22R-Esq

"I LIVE IN MY OWN WORLD...THEY KNOW ME WELL THERE"
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