Boost Leak Test Your Diesel Truck

[@rodm5830]

This is the best boost leak video I’ve seen so far. Thanks.

[@jaysonescoe5799]

Very informative for our younger 7.3 owners out there!!!

[@evanvancamp2781]

I got a 99. And the cold sucks my boost away. I'm 26 and love my ford f250

[@dbdman11]

Video showed exactly how fast a proper sealed system should still drop which answered my question. Thanks

[@bonafidebeatz20]

Woww the best boost leak tutorial ever. I just recently upgraded my diverted valve on my car, and wanted to make sure I didn’t have any boost leaks. Thanks

[@rigoffear]

The best boost leak video ever! Thank you, thank you, thank you!

[@KCTURBOS]

Glad we could help out!

[@frankvacanti5277]

Very simple totally overlooked critical very informative thank you

[@dirtyminerapparel]

I did this exact method with a black piece of PVC and found my turbo housing was leaking. They put the wrong gasket in when it was rebuilt by the previous owner. I got everything from RiffRaff to rebuild it and added a bunch of extras. I love my 7.3 now.

[@milldinho]

You could use a pressure regulator and leave it constantly pumping

[@Glitchedx3D]

I have been told that the pinch style connectors can adapt to heat while the hose clamps can get too tight and damage the nipples they’re attached to.

[@briandilley2590]

Thank you KC Turbos!

[@jmlane88]

Noice! I've got one of you OBS Tiger turbos. Freaking amazing😎

[@1mandrywallarmytv144]

I out that the ebp sensor was leaking badly. Replaced it as well as the pig tail. Now I also know that the boot from the inter cooler to the turbo had a small tear on it. I slid it further down to avoid the small 1/2 inch tear. Probably leaking from there.

[@KCTURBOS]

Moving it up likely helped, but if there is a tear in your boot, then you should replace it to play it safe.

[@rvps2009]

Thanks, excellent demonstration

[@rogerslone9687]

Nice video! I have been putting this off. Good info to get me started. Are those common leak areas on 7.3l? Thanks again for the video

[@wadesteph4853]

Thank you very much hope to see more video from you

[@superiorautomotive143]

Thanks for your content!

[@jorgegonzalez-pz7ik]

I just received my kc boost leak tester today😍

[@RegalVisions]

How much was it?

[@yourmama2299]

The red hose....can we just completely delete it? Cap it at the solenoid? As well as the small cap you did on the intake in the vid...Obviously leaving the green line alone.

[@andreels2962]

My Ram has a very loud high whistle when it boost. not the normal turbo sound. Must be a leak or not????

[@Crackslappin07]

Very helpful thank you!

[@jamesb1988]

What does it mean when the gauge on the tester stays at zero? It won't move at all, yet everywhere I spray with soapy water there are no bubbles. Starting to get extremely frustrated.

[@abibodlogistics]

Do you guys still sell the boost leak detector,my truck is the 2004 6.0.Where did the air supply came from,the regular air compressor I presume.

[@andreels2962]

Great video

[@jeffb6276]

If only I knew this when I had my extractor set up, I had all the spare parts to make my own :/

[@Frankstgeorge88]

What exactly do i need to buy to make that tester. That's perfect

[@audioface420]

I made one of these for around $10-$15. I used a 3" rubber boot and a 3" pvc end cap, both found at your local hardware store. Then i just drilled a hole in the cap and screwed in a tire valve stem. And use a tire inflator with gauge to monitor pressure.

[@jmoore9806]

i thought there is NO way air can get past the piston rings because diesel rings a much tighter ring clearance because they really need super tight seal for igniting the diesel.....But my diesel did the same thing and was wondering OH NO i killed my rings some how.....glad to know its normal.

[@KCTURBOS]

Nah air can indeed get past the piston rings. Thats why a crank case ventilation is needed, to vent that excess gas.

[@failingdisciple938]

2006 3500 Cummins. I just removed and reinstalled my turbo intercooler and now I have a turbo whine. Would this fix it?

[@clanaoaarmyofallah2557]

can this fit on a 2008 srt-4 caliber? what size would i order? i need to boost leak test mines i know i have a leak someplace.

[@KCTURBOS]

So this detector is for a 4" inlet and we have a smaller size that fits a 2.75" inlet. If your turbo has either of those sizes, then it will work

[@brucerazor5202]

Gonna check my 99 Cummins, thanks

[@buddha65281]

what about some info on where to get the parts to make this!

[@kingrichard_1093]

How do I explain this to a mechanic, they don’t seem to understand this

[@KCTURBOS]

I honestly wish we had a good answer for you... We run into this problem almost every day! it seems like the longer someone has been a mechanic, the more stubborn they are to take suggestions. We had a truck come into our shop from a customer who took it to 3 different Mechanics, and all 3 told him its a bad turbo. We did a very simple boost leak test and there was a HUGE hole in his intercooler. kzbin.info/www/bejne/aJa5gHWNpNijnsksi=YeFhx0fNCK0sPNPz

[@masonwaltrup6287]

i just had a good shop install y'alls 6.0 10 blade rebuild kit and now im only getting 6 lbs of boost and the truck is an absolute dog. would this be a boost leak or a turbo failure?

[@davidfrank2824]

Will this work with all diesels or just single turbo trucks?

[@2000Diesel250]

Should you check the intake Plenum’s that bolt to the head for leaks as well just curious?

[@racerschmeckpeper9043]

Those are a common place as they use rtv and it can blow out of certain areas and leak.

[@yourmama2299]

@@racerschmeckpeper9043 is that rtv only??? No o-ring or gaskets? I'm assuming you need to pull the turbo to get the drivers side off?

[@chingwow2671]

Thx for the info

[@adrianugalde5633]

damn were is your shop located?

[@KCTURBOS]

1255 s Pasadena, Mesa Arizona

[@1mandrywallarmytv144]

can i do this at the intake elbow

[@KCTURBOS]

Yes, it would work there. But if there is a leak where the boot meets the turbo inlet, its fine because the intake does not need to be air tight.

[@TaylorTEK]

does this work on a 2003 6.0l f250?

[@tomskimcdouglegaming806]

no way

[@jaybajan]

mate, i have a turbo diesel, and sometimes my boost gauge will read negative 10 at idel and other days it wont, do you think that could be a boost leak?

[@KCTURBOS]

Where are you reading your boost from?

[@reggiekitchens3536]

Why did you cap off the waste gate hose? Is it not necessary?

[@Guzmans06]

Following

[@miker0257]

id like to know too?

[@marcustavolacci537]

Do you have to remove/plug the red line to do a boost leak test?

[@jamesb1988]

You can just plug the little red lines boot onto the end of your intercoolers pipes clamp bolt, it fits perfectly. As far as the green hose that plugs into black air filter pipe, just pop that out and cover the end with a piece of tape.

[@jonathansullivan7091]

Could you just leave the engine idling and use the soapy water if you don’t have a tester?

[@justinpettersen7190]

They generally don't make any boost at idle, only under load.

[@aaroninks]

Be damn careful running that much pressure. I blew off the boost leak detector and was awarded with a hole in my ear drum. Took a year for my ear to heal itself. Sounded like a shotgun going off.

[@KCTURBOS]

Yeah gotta make sure the clamp is good N tight.

[@cesmegillccesmegillc8333]

Have you considered using a smoke a machine?

[@KCTURBOS]

We did think about it, but we like this method for the simplicity and reliability. Plus with our experience using soapy water and just listening for air has yielded great results. Maybe in the future we will develop something like that though

[@zhongxina5595]

Does a boost leak cause excessive turbo bark?

[@Frankstgeorge88]

That's what I'm chasing also

[@KKthebeast.Swolestick]

Same here on my 6.0... Although mine has been from excessive EBP failures. Getting wet before we realized one of the hoses going to the coolant reservoir was leaking under pressure.

[@KKthebeast.Swolestick]

Causing low power, high boost and erratic reading under throttle. And barking if getting off the throttle while loaded up

[@Frankstgeorge88]

@@KKthebeast.Swolestick exactly my symptoms in my 04 5.9 cummins

[@hewasdeadwhenigotthere7109]

Are you located in kansas city? It is that just the name of the company?

[@KCTURBOS]

Just the name, sorry. It’s the owner and his wife’s first initial.

[@Chase_01]

My truck leaks so bad it sounds like a spaceship taking off

[@Cp3659]

Will this work without modification for the 6.0?

[@KCTURBOS]

Yes

[@GetBusyDrift]

where'd you get that tester n how much ??

[@KCTURBOS]

We have them available on our website for around $90, same style and parts we use in our shop.

[@markbroad119]

Um is it just me or the intake valves are not all sealed.

[@Gonecheenin]

That's what I was trying to figure out as well. Took me a minute to think it through. If the intake valve is open, the exhaust valve will keep the air in the cylinder. If the intake valve is closed, then it will keep the air out of the cylinder.

[@duncanb9177]

Do you have to plug your exhaust?

[@KCTURBOS]

No, the exhaust doesn't need to be touched

[@Gonecheenin]

Took me a minute to think that through as well. If the intake valve is open, the exhaust valve will keep the air in the cylinder. If the intake valve is closed, then it will keep the air out of the cylinder.

[@moisessanchez9294]

Why do I get air coming from. My dipstick

[@vcummins]

A little air and smoke coming from the engine oil dipstick is normal.

[@smaksymiv4950]

Smoke ... test with smoke .

[@KCTURBOS]

In our experience, the most common leaks are only found under pressure. Most smoke tests are not pressurized. In order to accurately test for leaks, you have to apply "boost" equal to that your turbo will be putting out.