Cheap Way To Check For Bent Valves Without Removing Cylinder Head

How to check for bent valves after timing belt or chain jumps or breaks and hits the pistons.
❗️If you find this video helpful, I would appreciate a $uper Thanks that can be found below the video.
🛠Endoscope:
www.amazon.com/dp/B07PBF6DX5/...
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⚠️Disclaimer:
The videos on Motorcarnut channel are posted with informational purpose only.
Information posted in this video does not guarantee any particular result. Use this information provided in the video with caution and at your own risk. It is the responsibility of the viewer to take this risk.
Motorcarnut is not responsible or liable for property damage, any loss damage, or injury related to or resulted from information posted in this video.

[@wildwoodtop]

Sir you need to be celebrated for your expertise straight-to-the-point minimal talk-to-itiveness 🤟

[@Motorcarnut]

Thank you very much!! Really appreciated!!

[@chriscusick6890]

I agree, very user friendly!

[@Motorcarnut]

Thank you !

[@tylorcline3638]

So hard to find with most videos lmao. 28 minute video with 28 seconds of information lmao

[@arfeenmalik8331]

This is an awesome idea. Thanks!

[@Motorcarnut]

No problem, glad to hear

[@jayburd1875]

That was great. Thanks.

[@Motorcarnut]

You're welcome!

[@michaelbaltimore4099]

Nice one 2 thumbs up....definitely hitting subscribe

[@Motorcarnut]

Awesome thank you!

[@lilmixdboy]

This is a useful technique for sure, especially if the valves are obviously bent But there are some valves that are slightly bent but you wouldn't be able to tell using this inspection camera. But those same valves that may look fine will fail the water test I'm thinking maybe spray wd40 though the Intake or exhaust valves and using the camera to see if oil seeped on top of the piston. Yes you would have to take off the intake and or exhaust manifold, but that's way easier than taking off the whole head

[@Motorcarnut]

Thanks for the comment and you are correct. This method is only one way but as you mentioned, there are other ways as well.

[@TripSaddie]

This was great its also funny I have the exact same engine Im currently working on (Volvo C30)

[@Motorcarnut]

Thank you! Good luck with your project

[@jamesbrightbill-zy1vn]

Is the TAKMLY USB endoscope on amazon that this link takes me to the same one as you used in the video, it looks a bit different. I want to make sure it is so that I can bend it over 180 degrees the way you did.

[@Motorcarnut]

.

[@jamesbrightbill-zy1vn]

I found 2 links to the endoscopes, one was a Nidage and the other was TAKMLY. Is one better than other or will either work?

[@Motorcarnut]

They both should work just find the one with the smallest head diameter to go into the spark plug hole.

[@andrewmartinez7330]

Where's the link for the bore scope? I have a 99 tahoe with low compression on cylinder 1

[@Motorcarnut]

www.amazon.com/NIDAGE-Automotive-Inspection-Semi-Rigid-Smartphones/dp/B07C9C6P5D/ref=sr_1_7_sspa?crid=28BY1IORROTH2&keywords=cylinder+borescope&qid=1666106142&qu=eyJxc2MiOiI0LjI5IiwicXNhIjoiMy40NyIsInFzcCI6IjMuMDEifQ%3D%3D&sprefix=cylinder+bore+scope%2Caps%2C89&sr=8-7-spons&psc=1

[@mikelowrey2156]

It would be nice to see what a bent valve looks like.

[@Motorcarnut]

I have many videos on bent valves check them out

[@tedjohnson64]

Is it possible to use this technique with the intake valves open, to assess the amount of VW EA888 (2.0 TSI) carbon buildup due to direct injection? Maybe not, as the carbon buildup is on the valve stem and back of the valve. Perhaps there’s a way to snake the endoscope through the intake manifold? Your thoughts?

[@Motorcarnut]

You could see some through the spark plug hole but if you take off the intake you can see carbon build up without the camera

[@rubenortiz3171]

Do you need to place it in every spark plug hole or can you see them all through one

[@Motorcarnut]

Every cylinder bore, yes.

[@derekkchung]

Like a fish hook, when u can't get it out, u are in bigger trouble.

[@Motorcarnut]

Just have to be careful.

[@kirbytabor9956]

Or just run a compression test and replace valves in affected cylinder as im doing😁

[@Motorcarnut]

You can have a hole in the piston, burnt or bent valves and it’s nice to see what you’re in for before hand. Compression test won’t tell you that as easy.

[@kirbytabor9956]

@@Motorcarnut true but my timing belt broke a block from my house and i was only going 15 mph👍

[@ridingincircles]

@@kirbytabor9956 Then how are you doing a compression test with no timing belt?

[@kirbytabor9956]

@@ridingincircles Duh easily put one on, but first new oil pump and fixing stripped motor mount bolts that a previous dummy messed up👍😁😁

[@markmann2521]

Like i tell all my friends, "scope it out!" MarkMannM2

[@Motorcarnut]

Yep

[@musclefactory9181]

Kol Hakavod 🙏🏼

[@Motorcarnut]

Thank you!