Harmonic Diesel

Jun 2024

I was buying a 2018 Ford F250 diesel and I needed someone to do a pre-purchase inspection. I called Salvador at Harmonic Diesel and he got me in a couple of days. His inspection was super thorough. I asked him to check the CP4 fuel pump because that’s a big problem in these trucks when it goes bad. He handled that plus the turbo (which requires some disassembly) and inspected every other part of the truck. He found a bad crank case ventilation filter several bad coolant O-rings. The turbo was bad, not quite finished off but close and the upper fuel filter was in bad shape. I found him to be extremely knowledgeable about diesels in general and what could go wrong with...read full review

Jun 2019

Went Harmonic Diesel after the dealer charged me $600 to tell me I might need a new turbo and NOx sensor and was not sure if that will fix the problem. Got my truck out of there and call Salvador. He diagnosed the turbo being bad as soon as the hood was open. He explained that it was starting to blow oil back into the input and demonstrated how you can easily tell. Cause was leaking seals. Then plugged into the trucks computer and sure enough the NOx sensor showed bad. Less than five minuets. Had him do a lot of other work and he completed it in three days. Cost for all the work was just about what the dealer was going to charge me for a turbo and NOx sensor. Salvador is honest, hard working and knowledgeable. His prices are very fair. Worked performed was a new Garett turbo, OEM NOx sensor, change transfer case fluid, change oil and filter, change transmission fluid and filter, air filter and cabin filter, new brake fluid, change out the OEM fuel filter for a .5 micron CAT filter, and drain and change the coolant.