How to Break In A New or Rebuilt Engine - EricTheCarGuy

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  • Published on:  Friday, March 9, 2012
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    I'm sure there is more than one way to do this but this is the way that I was taught and it seems to work as intended. The idea is to make sure the engine is fully lubricated before you start it up for the first time as we know all too well what happens to an engine without oil, in fact I forgot to show me filling up the oil filter with oil before I installed it sorry. Feel free to add your tips and tricks in the comments.

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    Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.
  • Source: https://youtu.be/tBD-rFP7q9c
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Comment

  • sincitydude 72

    sincitydude 72

     22 hours ago

    I know this is an old vid so I'm hoping you can answer my question. I've got a rebuilt I6 4.0 engine in my 96 jgc and the instructions I got for this is to leave the oil filter open ¹/⁸" loose and use a drill and turn the pump through the distributor hole till oil comes out the filter hole,tighten filter and that's it. Does this sound kosher or should I do more? Too much pressure builds with the filter tight, made 1/2 drill smoke.

  • boostedsil40

    boostedsil40

     3 days ago

    can I turn the crank by hand to prime the engine?I was thinking about putting a rachet on the crank nut and turn this by hand with no plugs in would thise also help get oil flowing before I start the cranking process for extra protection?

  • Raeleen Mandy

    Raeleen Mandy

     14 days ago

    Is it normal to have white smoke from the exhuast ...think smoke

  • GT Godbear

    GT Godbear

     1 months ago

    I thought break in periods was 10,000 miles.

  • dale ford

    dale ford

     1 months ago

    that sounds worn out

  • Fred Flintstone

    Fred Flintstone

     2 months ago

    It's a misconception that piston rings 'break in'.. Rings don't break in, the crosshatch in the bore does. The new crosshatch in the cylinder has peaks and valleys. The purpose of the break in period is for the rings to cut into the peaks in the crosshatch which stick out of the oil film causing metal to metal contact with the rings, and leave the valleys that are necessary to maintain the oil film layer. Rings hydroplane across the thin layer of oil in the cylinders except for the bottom and top of the stroke where they come to a stop because you can't have hydroplaning where there is no movement. The ideal break in is using a good break in oil and actually running the engine harder to cause the wear on the peaks to take place as soon as possible otherwise glazing can take place in the bores.

  • Ronald W

    Ronald W

     2 months ago

    Lifter noise but yeah other than that no problem

  • Steve McIlroy

    Steve McIlroy

     2 months ago

    Don't forget to make sure there is no crap the engine will suck in on the Induction stroke around the spark plug area.

  • Ghulam Mustafa

    Ghulam Mustafa

     2 months ago

    EXCELENT

  • george bonney90

    george bonney90

     3 months ago

    Thank u etcg,I just rebuilt my 03 CRVs engine I appreciate the advice 👍

  • Glenn Manchester

    Glenn Manchester

     4 months ago

    Battery not so good eh

  • Hendrik Karsten

    Hendrik Karsten

     4 months ago

    You have no idea the damage you caused by squirting oil into the pistons. You only caused the sleeves to glasses instead of allowing the rings to seat to the sleeves.
    Go and resurge how the engines are run in with in the factories...

  • Jose Galvan

    Jose Galvan

     4 months ago

    Got new engine on my dad's 98 dodge ram 1500 and when checking oil after 200 miles oil was grey
    Why is that on a brand new engine?

  • David H

    David H

     4 months ago +1

    My best "safest" method on engine break in.

    1) Make sure all fluids filled and topped to proper amount.
    2) I never dry crank "any" motor.
    3) Run engine until warm and do not run over 1,500 rpm
    4) Check all fluids and leaks and address any issues.
    5) Check OEM specs,valve adjustment "if any".Run engine until at operating temperature. Then road test up to and no more than 80/km hr.
    6) Reinspection of leaks and then another road test.
    7) Replace oil and filter to remove any possible debris, contamination etc.
    8) Return vehicle to customet and have them return in 1,0000 to 1,500 km and stress not to drive beyond 100km / hr
    9) Reinspection, replace oil and filter and follow manufacturer into.
    10) Return in 5,000 km for service and then have at er.

    This is a never fail gaurnentee engine has a great new life.

    David

  • Mohsin Ejaz

    Mohsin Ejaz

     4 months ago

    I have rebuilt my Toyota Premio 1.8L engine .... and it started to consume more fuel and producing less power..... why is that ???

  • Richard Adamson

    Richard Adamson

     5 months ago

    can u do this all car and trucks

  • Damon Cross

    Damon Cross

     5 months ago

    These details are invaluable...my manual doesn't review this breaking in the engine. Thanks for the heads up.👍

  • hugeCRSfan69

    hugeCRSfan69

     6 months ago

    hey eric, i bought a brand new engine from a gm dealership, its a small block 5.7 liter (350) for my chevy express van. well i broke the engine in with synthetic oil, changed the oil after 100 miles then after 300 miles.. after 500 total miles i found out they recommended breaking the engine in with conventional oil before using synthetic, am i screwed?

  • Fin motolinia

    Fin motolinia

     6 months ago

    Id hate to see this guy angry

  • Jerome Oconnor

    Jerome Oconnor

     7 months ago

    Good night Eric one question honda 2002 accord I remove valve spring and got mix up 8 of them taller which for the intake or exhaust