Mobile Diesel Medic -Engines-Generators-Hydraulics

Mobile Diesel is a company specializing in field repair of larger diesel motors, high pressure fire suppression systems (fire pumpers), factory and field hydraulic systems, and finally industrial heat exchangers and radiators. We have a knack for solving the more difficult hard to repair jobs. Our reputation is to repair when most other companies just want to replace.

[mobiledieselmedic]

Cummins 4BT Injector Pump replaced 5 years ago. The rebuilder sold unit with defective parts.

Drill outfit replaced the injector pump five years ago and it never worked right from day 1. I checked all the usual suspects and found some age related problems but in the end it was not any of the below culprits… 1 – Loss of prime 2 – Fuel leak 3 – Wrong Fuel 4 – Defective lift pump 5 – Defective cut-off solenoid circuit 6 – Diesel backfeeding back into tank In the end it turns out the…

View On WordPress

[mobiledieselmedic]

Bobcat Tensioning a Skid Steer Track Mobiledieselmedic.com

I had to jack this bad boy off the ground to adjust and sequence left and right forward and back hydrostat settings but I thought this looked so cool I had to post it. I will post the entire sequencing of the transmission/hydrostat once I stitch theem all together. More to come. ✅ Subscribe To Our Channel For More Videos: https://www.youtube.com/@mobilediesel/?sub_confirmation=1 ✅ Important…

View On WordPress

[mobiledieselmedic]

Telehandler Cylinder Reseal $5400 vs $25,400 original repair lasted 6 months - Mobiledieselmedic.com

The customer had a leaking cylinder. They had it rebuilt. Six months later it started leaking again. My feeling was they never replaced all the seals due to the piston was impossible to remove. I’m guessing they they skipped repladceing all the seals. Six months later they brought it back to the repair shop and they were informed they needed a new hydraulic cylinder. This was a $25,000+ job. We…

View On WordPress

[mobiledieselmedic]

Amazon is deleting my honest reviews on sub standard vendors that are cheating the public

Amazon has been taking down my reviews because I’ve been calling people out on 781% price gouging during the ice storm. They were first emailing me telling me they’re going to take down my reviews and now they’re just taking them down without letting me know. I wanted a record of it. Let’s wait and see what they do. from Mobile Diesel Medic “Diesel Motors – Radiators”…

[mobiledieselmedic]

February 5, 2026

from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/shorts/r9yL42kvp24

[mobiledieselmedic]

Bobcat T650 track tensioner seal installed backwards destroy the cylinder wall

I always pull these things apart and once in a while I’ll see somebody put the seals in backwards. The high pressure rubber seal vomits between the polished stem and the cylinder wall because the plastic backer ring known as the anti-extrusion ring was put in first. Don’t do that from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics…

[mobiledieselmedic]

16+ Hours Vs. 2 Hours - De-sludging the problematic Dodge Ram heater core. Nobody does it this way!

This is a very problematic job. I’ve developed a technique to get the heater core running nice and hot without removing half the trucks interior and the air conditioning system. With jobs I do over and over I create these “labor clusters” in my QuickBooks lists function. Super helpful when you need to write invoices for the same job over and over again. on the invoices. I’m going to paste the…

[mobiledieselmedic]

Crane Company Wants $3,000 for $100 worth of hardware - Forget About It

Leaking swivel joints are causing u-joint wash out. The crane company wants an astronomical amount of money for something that should cost way way less. from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/watch?v=acMHw6Xld_8

[mobiledieselmedic]

Turning Wrenches Below Freezing

I’d rather turn wrenches below freezing than 100 degrees plus in the summer any day. from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/shorts/JDPkxaOxV3Y

[mobiledieselmedic]

6.0 Sitting 6 Months, Refusing To Be Repaired - Keeps Blowing CAC Tubes - MobileDieselMedic.com

This truck sat for 6 months messing with all the heads of all the technicians that looked at this thing. Took me two days to find what you are seeing in four minutes but I got it. ✅ Subscribe To Our Channel For More Videos: https://www.youtube.com/@mobilediesel/?sub_confirmation=1 ✅ Important Links: 👉 Website: https://ift.tt/RVtj1lp ✅ Stay Connected With Me: 👉 (X)Twitter:…

View On WordPress

[mobiledieselmedic]

Ford 6.0 -Was called in to solve a 6-month nightmare.

from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/shorts/WK_QeJowt7Y

[mobiledieselmedic]

January 14, 2026

from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/shorts/szkH5kecVI4

[mobiledieselmedic]

Who needs grease nipples?? Easily a million more miles, put it back together.

from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/shorts/UBcPZhsZihc

[mobiledieselmedic]

2015 Dodge 5500 - Steering Locking While Driving Down the Road

Customer complaining of steering locking up while driving down the road. checked everything out steering box power steering steering dampener and on and on everything past and I pulled these u joints even though they’re soaked in grease they were still totally rusted and seized. eureka! from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics…

[mobiledieselmedic]

Dodge Ram DPF Dumpster Fire -Is it coolant or is it too much fuel?

How to quickly identify what’s destroying the substrate. from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/watch?v=uteaeuPEcvs

[mobiledieselmedic]

Why Stop at Fuses Let's Build Roads At Different Widths

from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/shorts/So27qMMJwRk

[mobiledieselmedic]

Don't be fooled, you probably don't have a leak. Vacuum ebbs and flows like a tide going out

Lots of techs think because their vacuum gauge keeps popping back up they have an AC leak when that is not the case. from Mobile Diesel Medic “Diesel Motors – Radiators” -Engines-Generators-Hydraulics https://www.youtube.com/watch?v=xkdLUyP-orI