SYMPTOMS OF WORN ENGINE MAIN BEARINGS

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  • เผยแพร่เมื่อ 9 ม.ค. 2025

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  • @joeaboko807
    @joeaboko807 ปีที่แล้ว +24

    This video needs more like because teaching knowledge is not free

  • @johnxmackenzie
    @johnxmackenzie ปีที่แล้ว +9

    Legend! I pray i can replace the crank and bearings rather than replacing the whole engine. 2015 Golf R! 😢

  • @velox731
    @velox731 ปีที่แล้ว +12

    Valuable information!
    Key point: Change your oil on time.

  • @DiaryOfProphecies-ff3sy
    @DiaryOfProphecies-ff3sy 3 หลายเดือนก่อน +3

    Very simple for any one to understand.Amazing ! This will help save us from some mechanics in my state .

  • @martinfarfsing5995
    @martinfarfsing5995 6 หลายเดือนก่อน +2

    I grew up hearing grease monkey was bad job to have , I am now learning all I can about engines , motors and vehicles . Your video was perfect , I listened to your every word and pictures ,thanks , and good fortune to you .

    • @littlerayofsunshine69
      @littlerayofsunshine69 6 หลายเดือนก่อน +3

      Beware the leaches. Once they find out you can work on cars, they'll be coming out of the woodwork looking for free labor.

    • @user-sk2kt1vy6y
      @user-sk2kt1vy6y 9 วันที่ผ่านมา

      I didn't exactly hear it was a bad job. Though, when we were doing job survey tests in school, my suggestions were all fabrication, automotive, and mechanical related. I just laughed it off saying, "naw I'm going to go to college and get a job from whatever I study there." Fast forward, and i didn't like college or many of the jobs I've had other than just liking to work. I'm constantly digging into my car and gaining knowledge about function and repair work on a few different vehicles. I am going to try to apply at some shops that will let me work while I get schooling and certification. I love this stuff.

  • @92yungjay
    @92yungjay 3 หลายเดือนก่อน

    This just happened to me in my 06 srt8 charger... and he just explained it better than the shop that tore it apart told me... but this guy definitely explained it better

  • @NightWolve75
    @NightWolve75 8 หลายเดือนก่อน +1

    You were the only mechanic that helped me diagnose my Toyota engine's vibration problem when coming to a stop! Needed total main/piston rod bearing replacement!! Thanks so much! ❤

  • @cy-villian
    @cy-villian ปีที่แล้ว +4

    Thanks for that. Very clear explanation. Appreciated.

  • @Stanging84
    @Stanging84 21 วันที่ผ่านมา +1

    AWESOME VIDEO! thank you for the education on topic. Much appreciated

  • @Flames-m4d
    @Flames-m4d 2 หลายเดือนก่อน +3

    Excellent presentation.
    Thank you.

  • @vincentolsen1668
    @vincentolsen1668 10 หลายเดือนก่อน +2

    Daer SIR I am from suif African 🇿🇦 I ryfe a Geely LC 1.3 tween came.i need to thank you for your video.quisten what' happen if oil WHAS lowe (oil lit came on) and then

  • @isaacgarza1069
    @isaacgarza1069 10 หลายเดือนก่อน +4

    Metal shavings could be rod bearings also

  • @Ronnie-f3e
    @Ronnie-f3e 17 วันที่ผ่านมา

    I have a 94 dodge ram 1500 318 5.2 with 286k miles and I need to know if I can put new crank and rod bearings in it and/or do I need to put a new crank in it ? I like the way you explain things

  • @davekhai2723
    @davekhai2723 6 หลายเดือนก่อน +2

    Thank you for sharing valuable knowledge

  • @juharuotsalainen6938
    @juharuotsalainen6938 ปีที่แล้ว +2

    When is crankshaft polishing appropriate? is it every time you replace the bearings or only when you can see and feel scratches on your nails and fingers or no shine at all? isn't the smoothness and relatively smoothness the most important thing?

  • @brianvickery6202
    @brianvickery6202 ปีที่แล้ว +3

    Another great video thanks for sharing.

  • @monopython8487
    @monopython8487 4 หลายเดือนก่อน

    Happened to my 93 corvette LT1 350 sbc 😅, currently going to tear down engine and pray the engine is rebuildable

  • @Youngwolf3459
    @Youngwolf3459 10 หลายเดือนก่อน +2

    Wow you are amazing my friend. This video is very informative. Thank you so much for explaining.

  • @damiropadobarglumskiperiod505
    @damiropadobarglumskiperiod505 ปีที่แล้ว +4

    Awesome explanation.thank so much

    • @damiropadobarglumskiperiod505
      @damiropadobarglumskiperiod505 ปีที่แล้ว

      I have certain sound that goes away when engine is idle .and increases with high arp specialy in low gear and uphil.can it be the the bearings

  • @孙凌峰-t9b
    @孙凌峰-t9b 11 หลายเดือนก่อน +2

    we are 20 years professional engine parts OEM manufacturer.Our quality is high and stable.

  • @madkoolieindi
    @madkoolieindi 10 หลายเดือนก่อน +2

    I have a a issue with corolla 2zrfe engine when I start in the morning in Canada it’s start with a sound like belt are pulley I change the belt but still have the sound but as soon as it warm up it’s ok

  • @jpierrejr936
    @jpierrejr936 3 หลายเดือนก่อน

    Excellent educational video, xxx❤❤❤

  • @joshreynolds729
    @joshreynolds729 ปีที่แล้ว +2

    Good video man. So what is advised to use to check clearance of the bearings, plastiguage reassembled and torque to spec then recheck? Or is there a more precise way? How to find the tolerances for a vehicle or tq specs to do this process? And on say performance engines do these tolerances need to be changed if say you add about 400 whp more than it already has over stock? Sorry for the many questions but seems like you know what your talking about.

    • @Top5AutoRepairs
      @Top5AutoRepairs  ปีที่แล้ว +1

      For procedure and spec I use All Data.

    • @joshreynolds729
      @joshreynolds729 ปีที่แล้ว

      @@Top5AutoRepairs Thank you. Would you know if they have 2016 dodge hellcat specs. And is that like a monthly subscription. Your probably a mechanic so you probably have it at work.

  • @carlodonnell146
    @carlodonnell146 ปีที่แล้ว +1

    If 20w 50 is being used with old bearings....and then the bearings are replaced should I go back with 10w 40 or 30 with the new bearings? Would 20w50 cause a circulation problem if an engine has new bearings?

  • @sivucit
    @sivucit ปีที่แล้ว +1

    just subsribed. how do i tell if knok is because of rod or main bearing ?..

  • @danielpoleon
    @danielpoleon 2 หลายเดือนก่อน

    Car idle with no knocking sound. When rev to 2500 RPM and starts the ticking sound. Around 3000 RPM ticking sound stops. Oil is clean, and headers and clearances have been checked

  • @mr.hernandezdrives
    @mr.hernandezdrives ปีที่แล้ว +2

    great video sir, scary topic do you believe an oil test can help tou judge the health of my engine, what results am i looking for?

    • @johndelong5574
      @johndelong5574 ปีที่แล้ว +1

      Examine oil and filter paper for tiny shiny or grayish particles. Use a magnet to find steel

    • @Top5AutoRepairs
      @Top5AutoRepairs  ปีที่แล้ว +1

      Yes oil pressure test

  • @danielpoleon
    @danielpoleon 2 หลายเดือนก่อน

    Car idle with no knocking sound. When rev to 2500 RPM and starts the ticking sound. Around 3000 RPM ticking sound stops. Oil is clean, and headers and clearances have been checked. Last I recalled was car run out of oil and this sound started thinking of pistons

  • @bobzak9508
    @bobzak9508 5 หลายเดือนก่อน

    When u say low oil pressure, will that be always or just at idle? I have low oil pressure at idle but if I keep a rev at 1k on the tach, it goes away. But no oil light above 1k just at idle.

  • @kamranmarwat3776
    @kamranmarwat3776 ปีที่แล้ว +1

    Hy ,i have low oil light on idle only when the engine becomes hot after sometimes it goes off , is this main bearing problem?

  • @81mrlz
    @81mrlz 6 หลายเดือนก่อน

    Hello my engine when it warms up and about 30 min the engine starts to lose oil pressure slowly after about 60 minutes I have to turn off the engine because then the oil pressure becomes critically low, but when the engine cools down I get the oil pressure back or when I accelerate in neutral gear the oil pressure comes back at high rpm, I wonder if it could be the oil pump or motors worn in the cam bearings? to give more info the engine is not leaking oil and the pressure on the cylinders is quite good, the engine temperature is also good

  • @phillipforbes1173
    @phillipforbes1173 8 หลายเดือนก่อน

    If diesel fuel is going down into the oil pan, caused by fuel injector problems, how long does it take before you can lose the engine ?

  • @badboysuliman2546
    @badboysuliman2546 5 หลายเดือนก่อน

    good teacher 😊

  • @Key-z2x
    @Key-z2x 10 หลายเดือนก่อน +2

    My dad thinks he can drive with bad main bearings forever😡 He won't let me take the engine out of the car for a full rebuild😡
    I took the oil pan off and the connecting rod bearings just have minor stuff from recirculating shavings from the mains but they are definitely not the source of the knock.

  • @Rawrkee
    @Rawrkee ปีที่แล้ว +2

    Thanks for this video! What grit sand paper do you recommend using on the crankshaft journals?

    • @Top5AutoRepairs
      @Top5AutoRepairs  ปีที่แล้ว +2

      600-1,000. Super fine or ultra fine.

    • @jeremyjones8872
      @jeremyjones8872 7 หลายเดือนก่อน

      ​@@Top5AutoRepairsThank you for your videos,.question,ive been trying to figure out my oil pressure issue on 07silverado,3mechanics later and over $1k i didnt know until watchn you.but can my bearings be issue if NO NOISE but round shavings in pan and no oil pressure after 5mins running?? Any info greatly appreciated

  • @koftec07
    @koftec07 4 หลายเดือนก่อน

    This guy is right 👍

  • @harrisonclark4382
    @harrisonclark4382 6 หลายเดือนก่อน

    Could using too thin of oil in a built Coyote engine cause smoke to come through the ac vent?

  • @preacher031163
    @preacher031163 4 หลายเดือนก่อน

    Very well done..and ty for no cussin

  • @freddyalfarodavilla2463
    @freddyalfarodavilla2463 10 หลายเดือนก่อน +1

    amazing video

  • @tirnistirnis9009
    @tirnistirnis9009 ปีที่แล้ว +1

    Hey, i wanted to ask. I got aluminium in my oil filter only. I went to change rod bearings and found that they look like brand new. There also was no metal in oil or pan, only in oil filter. Is it likely my oil pump is giving up? It looks scored. I didnt check main bearings tho, but when rod bearings looks good, mains should be good too as rod gets oil from main, right?

  • @ishwariametoo7336
    @ishwariametoo7336 ปีที่แล้ว +1

    Hi why or what cause my crankshaft to bind when i thighten the connecting rid on the journal. It werent spin by hand or even using a rachet

    • @zakiramjan9822
      @zakiramjan9822 9 หลายเดือนก่อน

      Bearings clearances are too tight

  • @christinad3425
    @christinad3425 ปีที่แล้ว +2

    Can I access main bearings from under the car? i have a Mazda CX5

    • @blazem2400
      @blazem2400 9 หลายเดือนก่อน

      It would be hard because it’s upside down

  • @kellyjohna
    @kellyjohna 8 หลายเดือนก่อน

    I'm rebuilding motorcycle engine. The crank bearings have colors but bottom crank bearings are black and top are blue ? Shouldn't the colors match on bottom and top crank bearings ?

  • @jacquelinechellis4036
    @jacquelinechellis4036 6 หลายเดือนก่อน

    Many different motors. Usually if the main bearings are worn out so are.the rods. When the mains wear out often times the rod will.starve for oil. The one thing that usually holds up is the main bearings.

  • @deepikasingh2461
    @deepikasingh2461 23 วันที่ผ่านมา

    Hello sir,My main bearing got jammed within a week of servicing.
    New engine oil was put after servicing.
    And when the engine oil was removed it was tar black within a week of adding.
    The car was hardly driven 5kms..
    Was the engine oil of bad quality probably?
    Because no such issue was there earlier
    Kindly reply

  • @mitchjones8694
    @mitchjones8694 4 หลายเดือนก่อน

    If the main bearings go out and the engine stops can you still repair it??

  • @jasontrammell4674
    @jasontrammell4674 ปีที่แล้ว +1

    Hey none of these symptoms just hear a whining and car dies? Opinions

  • @eriksatterfield4755
    @eriksatterfield4755 2 หลายเดือนก่อน

    Ok so my understanding is that the main bearing is just like a seat cushion. To me i still don't see why it would cause an engine to stop running if all it is is just a cushion to rests between the piston and the journal. Like i dont see why its important and why it will cause an engine to fail can someone help me understand please?

  • @DiaryOfProphecies-ff3sy
    @DiaryOfProphecies-ff3sy 3 หลายเดือนก่อน +1

    Excellent

  • @tonyjosephs1396
    @tonyjosephs1396 5 หลายเดือนก่อน

    great video thanks

  • @pietjan2650
    @pietjan2650 ปีที่แล้ว +2

    Ive rebuild 1980s dirt bike engines and wear on transmission shafts from bearing was severe therefore i dont buy high milage cars. Engine wear down

  • @mokhtarbachir3601
    @mokhtarbachir3601 7 หลายเดือนก่อน

    Hello, nobody talks about the main and rod bolts ? Reusable or not ?

    • @Top5AutoRepairs
      @Top5AutoRepairs  7 หลายเดือนก่อน

      Reusable as long the engine did not overheat

  • @chriscarey1291
    @chriscarey1291 7 หลายเดือนก่อน

    I have a 1974 carb-converted Porsche 914-4 that came to me with grossly contaminated engine oil; the drained oil looked had a white 'mocha' coffee appearance when I removed it...evidence to me that some unknowing person had perhaps pressure-washed the engine bay and the dual Weber carbs entrained water into the oil sump. The engine has a low sort of variable 'rumbling/grinding' sound that suggests to me that it may have sustained main engine bearing damage from being run with that contaminated oil. Does this sound like a reasonable hypothesis? Is it possible to accurately confirm or rule-out main bearing damage other than a tear-down for direct inspection, if there doesn't appear to be any metal shavings in the oil and the oil pressure seems to be within normal limits? A 914 engine main bearing replacement procedure would be EXPEN$IVE, needless to say... Thanks. Excellent instructional video, by the way!