Boost leaks, turbo trouble and intercooler piping diagnosed and repaired so your truck pulls like it should.
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A diesel lives on air. The turbo packs it in, the intercooler cools it, and the piping carries it to the engine. A leak or a restriction anywhere along that path means less air, so the truck feels flat, smokes more and burns more fuel. Boost leaks are easy to miss because a split boot or a loose clamp can seal at idle and only open up under load, when the pressure is highest. An oily film around a coupler is often the giveaway. Pressurizing the system is the way to make a leak show itself, instead of guessing at which connection let go.
Turbos rarely fail for no reason. A lot of those failures come back to oil: not enough reaching the bearings, dirty oil, or oil cooked by shutting down hot. Many diesel trucks also run variable vane turbos, and soot can make the vanes stick, especially on trucks that see a lot of short trips and idling. Bolt on a new turbo without finding out why the old one quit, and the new one starts life with the same problem. If a turbo has shed pieces of itself, the intercooler and piping need checking too, because that debris can sit in there on its way to the engine.
A few signs are worth a call: a new whistle or siren sound under boost, blue or black smoke, more than a light film of oil in the intercooler piping, or a truck that loses power when you get on it. If the turbo has gotten loud or the truck is smoking hard, stop pushing it, because a failing turbo can hurt the engine. After a hard pull with a trailer, especially in summer heat, let the truck idle a minute or two before you shut it off so oil keeps moving through a hot turbo. Call (530) 320-4702 and tell us what you hear and when.
Low power under load, black smoke, worse mileage and a new whistle or hiss are the usual signs. Oily residue around a boot or clamp is another good clue.
Not always. A turbo makes some noise when it is healthy. A sound that is new, louder or closer to a siren is the one to have looked at, and the sooner the better.
A light film is common on a lot of diesels. Pooled oil is not. It can point at the turbo or at other trouble upstream, so tell us what you found when you call.
Diesel repair, diagnostics, EGR and emissions repair, turbo and intake work, performance upgrades, and routine maintenance. If you're not sure, just ask.
Yes. Bring in one truck or several. We'll keep your work trucks maintained and on the road.
Always. We explain what we found and what it will cost before any work starts, so there are no surprises.
We are at 1750 Lincoln Newcastle Hwy, Lincoln, CA 95648. Truck owners come in from Roseville, Auburn, Sacramento and everywhere in between. Call (530) 320-4702 before you head over.