How to find a coolant leak on a LS 4.8, 5.3, 6.0 (cooling system)

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  • Опубликовано: 3 авг 2024
  • how to use a Harbor Freight radiator coolant pressure tester
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Комментарии • 95

  • @ugo90
    @ugo90 3 года назад +16

    I have a significant leak in my 2000, 5.3 L, Sierra that I couldn't locate without taking the whole top compartment apart. I saw your video today and happened to be close to Harbor Freight with my 20% Coupon in hand. It worked beautifully out of the box. I found the hole in the radiator in 3 minutes. Thanks much for sharing - the cost of the tool was about half the cost of a mechanic doing it - saved money and time !

    • @Slicpartna
      @Slicpartna  3 года назад +1

      I'm glad you were able to get your truck fixed and back on the road

  • @richardalaquinez13
    @richardalaquinez13 11 месяцев назад +3

    Been having an issue on my isuzu npr with chevy 6.0, didn't even know harbor frieght sold this kit. Thank you for your video and great explanation

    • @Slicpartna
      @Slicpartna  11 месяцев назад

      Thanks for watching,
      Let me know if you have any questions

  • @dtuiaana
    @dtuiaana Год назад +2

    Great video and thanks for the info on on the harbor freight tool!!! It'll save me time searching for the leak.

    • @Slicpartna
      @Slicpartna  Год назад

      Thanks for watching
      Let me know if you have any questions

  • @narrowminded7694
    @narrowminded7694 Год назад

    Great video! I will go to harbor freight tomorrow. Having the same problem. Keep up the good work

  • @quickchrome2012
    @quickchrome2012 11 месяцев назад +3

    Ok my 03 4.8sierra was leaking down the engine oil pan like yours. i got a new water pump and thermostat 3 years ago. So yes pump is still good good. Thankfully all i changed was the 2 water pump gaskets. The one closest to the alternator was broken in pieces and that was the source of the leak.

    • @Slicpartna
      @Slicpartna  11 месяцев назад

      Cool beans!
      Let me know if you have any other questions

  • @SomeGuyInSandy
    @SomeGuyInSandy 3 месяца назад +1

    Nice! I have the same issue. 2004, 5.3, drip drip drip! I've been smelling coolant for a while now. The leak finally got heavy enough for it to drip past the skid plate and onto the driveway. Fun!

    • @Slicpartna
      @Slicpartna  3 месяца назад +1

      Let me know if you have any questions
      Thanks for watching

    • @SomeGuyInSandy
      @SomeGuyInSandy 3 месяца назад

      @@Slicpartna I ended up replacing the water pump today. Pretty easy really, except for the coolant mess. Whoever it was at GM that made the decision to block off the radiator petcock is a grade-A idiot, lol. I ended up putting two and a half gallons of coolant into it when I was done, and after bringing it up to operating temperature, it doesn't show any signs of leaking! Fingers crossed.

    • @Slicpartna
      @Slicpartna  3 месяца назад

      @@SomeGuyInSandy hopefully that solved the problem.
      Let me know if you have any future questions

  • @Blackhammerforge
    @Blackhammerforge Год назад +1

    I'm having the same problem with mine. thank you for the video brother! 👍

    • @Slicpartna
      @Slicpartna  Год назад

      Thanks
      Let me know if you have any questions

  • @Thewordaround.
    @Thewordaround. 2 месяца назад +1

    I believe I have that issue too thank you.

    • @Slicpartna
      @Slicpartna  Месяц назад +1

      Let me know if you have any questions
      Thanks for watching

  • @danielmonkay
    @danielmonkay 3 года назад

    Thanks for the video that was a great help to me

    • @Slicpartna
      @Slicpartna  3 года назад +1

      Thanks for watching,
      Let me know if you have any questions

    • @MaryannFeenstra
      @MaryannFeenstra 11 месяцев назад

      Hi I'm Mary
      I have the same Issue .I've replace my water pump and hose just this week .I have a
      2005 Chevy Silverado V8 5.3 liter 2 wheel drive
      Crew cab .I wondering if this is a recall thing with Chevy GM .? I'm a 65 year old Lady doing all this myself .I bought in November 22 2022.

  • @gregmurphy4231
    @gregmurphy4231 2 года назад +1

    Water pump bolts have a sequence and a torque to be followed. Center bolts first then criss cross 22 ft lb not left side first then right side

    • @Slicpartna
      @Slicpartna  2 года назад

      You are correct on your observation

  • @josemarquez5247
    @josemarquez5247 2 года назад +2

    Tks really helps

    • @Slicpartna
      @Slicpartna  2 года назад +1

      Cool cool
      Thanks for watching

  • @joehillman4141
    @joehillman4141 3 года назад +3

    Thanks for the video man. I gotta figure out where mine is leaking from also.

    • @Slicpartna
      @Slicpartna  3 года назад

      No problem
      Thanks for watching
      Let me know if you have any questions

  • @FinallyOnRecords
    @FinallyOnRecords 2 года назад

    Great video!!!! Question?? Is it possible to mistake a rear main seal leak for this type of coolant leak?

    • @Slicpartna
      @Slicpartna  2 года назад +2

      negative, rear main seal has to deal with the oil seal around the rear of the crankshaft.
      now if you are talking about the rear steam tubes for the coolant then you should see the coolant come out of where the leak is. it is possible to have more than one leak.
      let me know if you have any more questions

  • @derrickscott2974
    @derrickscott2974 Год назад +2

    It works

  • @lawjo1978
    @lawjo1978 3 года назад +3

    Gonna have to pick up one of those pressure testers since their pretty decent. Definitely eliminate the guess work...

    • @Slicpartna
      @Slicpartna  3 года назад +1

      The pressure tester exceeded my expectations.

  • @donoberloh
    @donoberloh 2 месяца назад +1

    Ive always just
    Poured ground pepper and it even seals larger cracks

    • @Slicpartna
      @Slicpartna  2 месяца назад

      Interesting idea, I will have to keep that in mind
      Thanks for watching

  • @bernardoalpizar6689
    @bernardoalpizar6689 3 года назад +3

    I think I got the same problem but do U think its convenient to replace the hole water pump, or just the gasket??
    Or what did U do??
    But great video thanks for that

    • @Slicpartna
      @Slicpartna  3 года назад +2

      Be sure to verify where the leak is first
      You wouldn't go wrong by replacing the water pump especially if there are alot of miles in it
      Let me know if you have any other questions

    • @bernardoalpizar6689
      @bernardoalpizar6689 3 года назад

      @@Slicpartna yea I dont know exactly when was the last time they replaced it I barely hot it a year ago,
      I'm saying cause the water pump works just fine but it it's just the leak

    • @Slicpartna
      @Slicpartna  3 года назад

      @@bernardoalpizar6689 how many miles on it?

    • @bernardoalpizar6689
      @bernardoalpizar6689 3 года назад +1

      @@Slicpartna 253,000 so I dont know if they have replaced it before

    • @Slicpartna
      @Slicpartna  3 года назад +1

      @@bernardoalpizar6689 yea yea
      It wouldn't hurt to replace the water pump especially if you suspect it might be leaking

  • @mohdkhamis1217
    @mohdkhamis1217 2 года назад

    thanks a lot

    • @Slicpartna
      @Slicpartna  2 года назад

      Thanks for watching
      Let me know if you have any questions

  • @baronfaison2092
    @baronfaison2092 Год назад +1

    What is the name of the kit that you got from the store you're talking about and what is that to you use is digital when you was turning the tighten it it would let you know it would make a noise I'm having that same problem with my 2004 Chevy 1500 Suburban Z71

    • @Slicpartna
      @Slicpartna  Год назад

      Hey hey thanks for watching
      It is a radiator pressure tester,
      You can find it at harbor freight
      I was using an electronic torque wrench
      Let me know if you have any other questions

  • @sethturner8483
    @sethturner8483 3 года назад

    How often did you have to put more coolant in? I have to replace mine after driving about half a tank of gas out. I was wonder because idk if my leak is too small to find with the pressure test.

    • @Slicpartna
      @Slicpartna  3 года назад +2

      I was adding coolant maybe every 2-3 months. I kept putting off fixing the leak
      Let me know if you have any other questions

    • @sethturner8483
      @sethturner8483 3 года назад

      Thanks sir. I’ll let you know if I get it fixed.

  • @boyleheightscollective4097
    @boyleheightscollective4097 2 года назад

    Thanks gee

  • @eb6736
    @eb6736 3 года назад +1

    Any videos on repairing a rear main seal leak 😅. I have a leak in my 6.0

    • @Slicpartna
      @Slicpartna  3 года назад

      Na, no videos on a rear main seal repair

    • @HOTRODRICO
      @HOTRODRICO 2 года назад

      damn thats brutal... sorry to hear you have to do that monster of a job

  • @SergioGarcia-lu5yo
    @SergioGarcia-lu5yo 2 года назад

    Were you getting any coolant odor through the a/c vents,when your coolant was leaking?

    • @Slicpartna
      @Slicpartna  2 года назад +2

      No I didn't a coolant odor through the vents but I could smell it outside the truck

    • @wrenchone5003
      @wrenchone5003 2 года назад

      If you smell it in the vehicle it's most likely the heater core inside the truck behind the dash/glove box.

    • @Slicpartna
      @Slicpartna  2 года назад

      @@wrenchone5003 yea yea
      That is a strong possibility
      Thanks for watching

  • @mailonwilliams6864
    @mailonwilliams6864 2 года назад

    My buick century was leaking coolant bad and i could not figure it out and today i look behind the coolant tank on passenger side and it's soaking into the back of the glove box ?? It's dripping down to the ground i did not see it or saw it getting soaked i tried to reach to see if its a cracked or a hole I'm not a car guy i don't know what to do i had another leak i know it was a head gasket it

    • @Slicpartna
      @Slicpartna  2 года назад

      Is it wet inside the car?
      Is the carpet wet?

  • @dirtyboy8336
    @dirtyboy8336 2 года назад

    This is exactly what's going on with my old lady truck she haves a 03 GMC Yukon and I told her she need to service her truck because I think she was losing coolant two weeks before it came to this problem. I have this sense that I can smell when the car is having a problem. I know what transmission fluid smells like I know what oil smells like I know what coolant smells like I know what gear oil smells like so I know when it's that time to service a vehicle. She never believe me so I just watch her get upset about😂

    • @Slicpartna
      @Slicpartna  2 года назад +1

      Might want to get those issues checked and corrected before there is serious damage.

    • @dirtyboy8336
      @dirtyboy8336 2 года назад

      @@Slicpartna That's a bet it's been at the house about a week now she's waiting for me to fix it or take it to an shop

  • @gbpgbp9992
    @gbpgbp9992 3 месяца назад

    Added a dye to my coolant to find my leak but this would be quicker method for-sure

    • @Slicpartna
      @Slicpartna  3 месяца назад

      yep yep, it doesn't take much time for the leak to reveal itself
      let me know if you have any future questions
      thanks for watching

  • @triplebbb2862
    @triplebbb2862 2 года назад +2

    I’m having exactly the same problem I just don’t know where it’s leaking from I’ve changed. Pretty much everything

    • @Slicpartna
      @Slicpartna  2 года назад

      Did you check the steam tubes on the heads?

    • @jeffreysolie197
      @jeffreysolie197 Год назад

      Did you figure it out? A ghost leak unfortunately makes me check my oil right away! Check if its clean good looking oil, or is it frothy and whiteish?

  • @luckjoy69
    @luckjoy69 Год назад

    I am having the same issue large amount of coolant liquid under the engine, I changed the input out put hoses and the V hose then the coolant reservoir and still a leak that I can't find.😢

    • @Slicpartna
      @Slicpartna  Год назад

      Could be the water pump (weep hole)

  • @keving1774
    @keving1774 3 года назад +1

    How many hours did it take to replace the water pump?

    • @Slicpartna
      @Slicpartna  3 года назад +3

      It only takes about 30 minutes to replace a water pump

    • @jeffreyluna8627
      @jeffreyluna8627 4 месяца назад

      My goodness no way 30 minutes ur kidding me even for ur first time u think or maybe 90 minutes for a rookie ?

    • @ricpla6930
      @ricpla6930 4 месяца назад

      90 minutes because you’re going to be meticulous in what you’re taking off and where, 30 min if you know what you’re doing

  • @23steph13
    @23steph13 17 дней назад

    Were those the original gaskets or were they replaced before?

    • @Slicpartna
      @Slicpartna  17 дней назад +1

      @@23steph13 those were original gaskets
      Let me know if you have any questions
      Thanks for watching

  • @luckjoy69
    @luckjoy69 Год назад

    2007 4.8 gmc 1500 seirra

  • @victoravila2566
    @victoravila2566 2 года назад +1

    I have a 2007 Chevrolet Suburban 2500 6.0 I just change the water pump, temperature coolant sensor, termostat , fan clutch, head gaskets and radiatior was replace maybe 2 and half year ago but still overheating 🥵 because in the heat 100 degrees my ac just go off and start blowing hot air I don’t know what else to replace

    • @Slicpartna
      @Slicpartna  2 года назад +1

      How long does it take for the engine to overheat?
      Does the air for the heater come out hot?
      What type of coolant are you using?
      Make the sure there isnt a blockage
      When the engine starts to overheat, the top hose should be hot and the lower hose should be warm. I suspect that there is a blockage in the system. I would suggest doing a coolant flush.
      Let me know if you have any other questions

    • @jammy46235
      @jammy46235 2 года назад +1

      May have air in you coolant system that would cause that too

  • @DemoN_6196
    @DemoN_6196 2 года назад

    Did you replace the pump as well ?

    • @Slicpartna
      @Slicpartna  2 года назад +1

      Negative, the pump was still good
      Let me know if you have any other questions

    • @HOTRODRICO
      @HOTRODRICO 2 года назад +3

      If you have the money do it, so you don't have to go thru the job twice... "a cheap man pays twice".. peace

  • @Rook814
    @Rook814 4 месяца назад

    I have questions my Yukon Denali xl gmc leeking ain't freeze

    • @Slicpartna
      @Slicpartna  4 месяца назад +1

      Whatz up doc

    • @Rook814
      @Rook814 4 месяца назад

      @@Slicpartna my Yukon Denali XL GMC leaking antifreeze under the car but car not smoking or overheating

    • @Slicpartna
      @Slicpartna  4 месяца назад +1

      @@Rook814 I would recommend pressuring the system to Identify where the leak is coming from
      It could be a hose, the water pump, the radiator etc.
      Let me know if you have any other questions
      Let me know

    • @Rook814
      @Rook814 4 месяца назад +1

      @@Slicpartna I will thank you your video help me

    • @Rook814
      @Rook814 4 месяца назад

      Another question how would you know if it's the water pump I think it's a bad whose wen you pour it in the line goes down rite away but the antifreeze comes out in seconds but still don't over heat no smoking

  • @timothyking3201
    @timothyking3201 5 месяцев назад

    Coming out the weep hole??

    • @Slicpartna
      @Slicpartna  5 месяцев назад

      Na, it was the gasket that failed
      Let me know if you have any other questions
      Thanks for watching

  • @HardWorkpaysofff
    @HardWorkpaysofff 2 года назад

    So eventually you just had water

    • @Slicpartna
      @Slicpartna  2 года назад

      Im not sure I understand your question