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Engine swap. #5323114 01/15/20 06:01 AM
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D1dad Online Content OP
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My 09 altima has reached a new level of oil consumption at 125k. This car has used oil since day 1 but never enough to appease Nissan. I’m on some Nico forums and it seems like a fluke and or I just got a bad motor. Anyhow, I just had the tranny replaced under warranty and it’s approaching 30k, I found a used engine at a yard with 30k, the car was tboned hard. My only concern is this engine was pulled and has been setting in a wharehouse for almost 7yrs. What concerns should I have here? My thought process is I’ll have a mint condition altima with 30k on the drivetrain, I also have a 13 yr old who’ll be driving before long and this would be a great first car. We have a GM tech in the family so I’ll have around $1100 total in this ordeal. I already have new plugs and all the fluids I’ll need.

Re: Engine swap. [Re: D1dad] #5323122 01/15/20 06:10 AM
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cronk Offline
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I would be cautious with an engine that has sat that long. The cylinder bores could easily be rusty by now. If you could inspect the cylinders with a borescope and they were free of rust, it could be a good deal.


2008 Ford F350
2008 Kia Spectra
2011 Nissan Quest
1986 Pontiac Trans Am
1940 Ford 9N Tractor
Amsoil lubes and filters!
Re: Engine swap. [Re: D1dad] #5323123 01/15/20 06:14 AM
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D1dad Online Content OP
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The yard did mention that they fill the cylinders with oil but good point. I’ll get the engine back and check it out.

Re: Engine swap. [Re: D1dad] #5323130 01/15/20 06:23 AM
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D1dad Online Content OP
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My plan was to fill the engine to the top with oil and let it sit and turn it over by hand several times. Drain it and install it and hope for the best.

Re: Engine swap. [Re: D1dad] #5323131 01/15/20 06:24 AM
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I’ll use some used oil I have just to oil soak everything.

Re: Engine swap. [Re: D1dad] #5323141 01/15/20 06:57 AM
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jeepman3071 Offline
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If sitting in a warehouse with oil in the cylinders it should be perfectly fine. I've started engines that have sat in barns for 20+ years with no issue.


1998 Jeep Wrangler Sahara 4.0L/5MT (156k) - PHM 10w30, Wix 51085
2009 BMW 328i N51 (56k) - Castrol Edge Euro 0w40, MANN HU816X
Re: Engine swap. [Re: D1dad] #5323151 01/15/20 07:17 AM
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deanm11 Offline
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It's also relatively low risk at the costs you cite. At what rate has your oil consumption risen to? Despite the low cost, it would be nice to compression test the motor before you go through all the labor.


2012 Subie Impr 2.0 142k M1EP 0w20 7.5k
2002 Tahoe 5.3 171k 5w30 syn 7.5k
Re: Engine swap. [Re: D1dad] #5323156 01/15/20 07:21 AM
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I would wonder about throwing good money after bad.


2015 F150 2.7
2018 F350 6.2
Re: Engine swap. [Re: D1dad] #5323160 01/15/20 07:31 AM
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WyrTwister Offline
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YES , HOW MUCH OIL IS IT BURNING ?

IF YOU COULD DO A CPMPRESSION TEST , UOU COULD GET AN IDEA IF THE OIL IS GOING PAST THE RIMGS OR THE VSLVE SEALS .

HOW MUCH IS THE CAR WORTH , AS , IS ?


Wyr
God bless
Re: Engine swap. [Re: D1dad] #5323171 01/15/20 07:56 AM
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JustN89 Offline
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For $1100, this is a risk that I would take. Your car is worth more than that, even with it's current oil consumption. For the money required to swap the engine, and with the idea that it would be passed down to your son in a few years, it would be worth it to me.

Re: Engine swap. [Re: D1dad] #5323219 01/15/20 08:47 AM
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you've got a good plan. pre-lube the replacement motor and spin it by hand if it makes you feel better. a comp check would be fine too as a just-in-case, once it's in a stand with the TB wide open and jumpers to the starter. Having a couple of nissan products in the family, I've never seen their engines to be weak or frail - typically under-stressed with good materials and workmanship. We resurrected a pulsar that sat for a decade with less caution, and it ran like a sewing machine.


2018 F150
2015 crv (wifey!)
Re: Engine swap. [Re: D1dad] #5323220 01/15/20 08:47 AM
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D1dad Online Content OP
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I bought the car new. Leather, all new rotors pads as well as shocks and new cvt. The car is immaculate. Im seeing cars half as nice in the 4k range so $1100 is definitely worth the investment. As far as consumption goes, it was always 3/4 of a qt per 1k. In a quest to see if I could reduce it through a piston soak and some oil treatment its at 1.5 qts in around 1300 miles.

Re: Engine swap. [Re: D1dad] #5323241 01/15/20 09:05 AM
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Virtus_Probi Offline
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This sounds like a pretty reasonable gamble given what the OPer has said about the engines and the vehicle.
One question I would have is how much wiring is left on an engine that has been pulled from a wrecked vehicle...I'm sure any warehouse is going to have some rodents in it and they may have been chewing on insulation if the replacement engine has been sitting for 7 years. I would guess most of the harnesses would have been taken off the engine, but I really don't know for sure.


2014 Forester XT, 111000 miles
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Re: Engine swap. [Re: D1dad] #5323303 01/15/20 10:02 AM
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D1dad Online Content OP
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most yards just take a cutting torch to the mounts and cut the wiring harneses anyways.

Re: Engine swap. [Re: D1dad] #5323416 01/15/20 12:09 PM
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JTK Offline
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Problem is, if you are burning 1.5qts in 1300 miles, your catalytic converters are not long for this world. OEM replacement is probably $1000. Maybe more.


2019 Nissan Pathfinder SV
2017 Ram 1500 4x4, 3.6L.
2015 Nissan Versa 1.6 S
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