Diagnosing a Bad Head Gasket: How to Spot the Telltale Signs So You're Not Ripped Off.

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Published 2023-03-29
Diagnosing a Bad Head Gasket: How to Spot the Telltale Signs.

If you suspect your car may have a bad head gasket, it's important to diagnose the blown head gasket before it causes more serious damage to your engine. In this video, I'll show you how to spot the telltale signs of a failing head gasket, including low engine compression, overheating, coolant loss, and more. I will also show you the different things a head gasket seals. In addition to that I will also show you why a bad head gasket has the symptoms that it has. Finally, I'll walk you through the basic diagnostic process, so you can determine if in fact, you do have a blown head gasket or not.

Tools used in this video:
Cooling System Pressure Tester: amzn.to/3zjrWpA
Combustion Gas Leak Test Kit: amzn.to/3JUX186
WiFi Borescope: amzn.to/3lS3QiF
Compression Tester: amzn.to/40pVa27
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00:00 Intro
00:04 Why you need to understand the symptoms of a bad head gasket.
00:42 What this video is going to cover.
1:22 Engine Teardown
1:57 What does a head gasket seal?
4:21 Symptom #1: Coolant and Oil Mixing
7:07 Symptom#2: White Smoke, Bubbling Coolant, Misfires, & Overheating
10:12 Symptom #3: External Leaks
10:51 Pressure testing the cooling system
12:08 Where my head gasket was leaking from.
13:05 Checking for coolant leaks into cylinders
14:36 Compression testing
15:00 Combustion gas leak testing
15:47 What my bad head gasket looked like.
16:34 How long can you drive with a blown head gasket?
19:22 Outro

#headgasket #autorepair #diy

Disclaimer:
The information, demonstration and any content contained in this video is for informational purposes only. The user Repair Geek makes no warranty, express or implied, regarding the effectiveness or safety of the contents of this video. In no way should the contents of the video, including the tools used, be repeated or tried by anyone. Viewers should only seek the help of a trained professional located at a licensed auto repair shop for any fix, modification, alteration, or any change to their vehicle. Repair Geek shall not be liable for any injury, damage, or loss to any person or property that may result from use of the tools, equipment, or any content contained in this video. In addition, there is no way to guarantee that the video is not altered or modified or is not in the final form submitted by Repair Geek and therefore, Repair Geek does not warrant that the video is unaltered or not modified. The links on this video to products are for informational purposes only and in no way are an endorsement of the safety or effectiveness of the particular product. Viewers understand that anything contained in this video or linked to or from this video is the sole responsibility of the viewer and in no way provides an express or implied warranty as to the safety or effectiveness of any linked tool, product, or video. Therefore, viewer agrees to release, waive, and discharge Repair Geek or anyone affiliated with Repair Geek, from any and all liability, claims, demands, actions, and causes of action whatsoever arising out of or related to any loss, damage, or injury, including death, that may be sustained by the viewer, or to any property belonging to viewer, regardless of whether the loss is linked to the use of the contents of this video, or otherwise and regardless of whether such liability arises in tort, contract, strict liability, or otherwise, to the fullest extent allowed by law.

All Comments (21)
  • I'm a little over middle age and can't believe how someone so young, can be so articulate. Your knowledge and delivery on problems are so professional. You really are a breath of fresh air on YouTube. Cheers Steve.
  • That was the most informative upper cylinder diagnosis Ive ever seen.
  • Rule of thumb is, the longer you wait to fix a problem the worse it gets. So you should stop immediately upon discovering a problem with your car. It can mean the difference between replacing the gasket or replacing the vehicle altogether. Excellent video.
  • @JimFatima-nb3fl
    Unbelievable how easy it is to understand the diagnosis of whatever the problem may be going on. So glad I came across this.
  • @TheJoeman11
    Good technician who methodically covers the range of scenarios involved with head gasket issues.
  • @user-pi8bd8hl1b
    I have watched dozens of videos about blown head gasket related and, by far, this is the best ever I watched. Congratulations.
  • Sir, I have watched so many videos trying to get a full understanding of how to diagnose a problem with my combustion. This was by far the most thorough and succinct I’ve found. Thank you thank you.
  • @josburd6429
    I drove a Nissan with a bad head gasket for 2 months and 300 miles , I just kept extra coolant and oil in my truck to top it off, but it got annoying and after 2 months I was able to save some money to put as down payment on a newer , better car, drive safe and God bless ❤
  • @ThunderbirdRocket
    Tremendous tutorial ! The amount of information , and specificity , and video shots , and simple to understand terminology ; has , without any doubt , whatsoever , made the greatest impact on my learning this particular topic . Thanks mate !! 👊🏼
  • Excellent teaching! Thank you for being so detailed and covering the essentials in terms a novice could understand. Keep videos like this coming. Thank you!
  • I am much less car stupid now . No need to ask questions because you answered them before I had the chance. Great video man for real...much thanks
  • @dihylan
    Beautiful and coherent articulation of what the head gasket's role is, and moreover, why you are leaving your engine to certain demise if not repaired in a timely manner.
  • @abdirahmanhabib398
    Man o man if you are not a professor I don't know what you are!!!!! Explanation on point. I'm a rookie lube tech on my way to wrenching, and this was absolutely gold. Thank you.
  • @ct3049
    Gone through many related content but this was the best, answered almost every question in mind!❤
  • @vanrolle710
    Thanks I think this video was on point and it explained all the symptoms' and diagnoses. I live in the Bahamas and is very much appreciative of all the equipment you use to diagnose this problem. I will continue to follow you for more mechanical videos .. Again Thanks
  • @MarkMalone-ni5nt
    Easily one of the best explanations on the types and causes of various head gasket failure modes. Excellent approach using the removed head for the explanation.
  • @garyvalto1854
    By far the best video on Youtube about this topic! congrats!
  • @ExitVelocity
    Very intelligent dude and great at explaining things. Videos are very informative. Thanks