Power loss, excessive blow-by, smoke, knock, low compression. In-frame or out-of-frame on Cummins, Detroit, PACCAR, Volvo, Caterpillar. We diagnose hard before we open anything up. Services: diesel engine diagnostics (compression, oil pressure, blow-by, fuel delivery), cylinder head and gasket replacement, turbocharger inspection and replacement, in-frame and out-of-frame rebuild coordination, and fuel injection system repair and timing.
Engine work is high-stakes — wrong call costs you a long block or a fresh rebuild that didn't fix the real problem. We diagnose chronologically: compression and leakdown, oil pressure, blow-by, fuel delivery, cooling. We document what we found, what we ruled out, and what the OEM service info says before we open anything.
30 years on Class 4-8 diesel. ASE Master Medium/Heavy Truck Technician. The mobile rig carries what's needed to finish most repairs in one visit instead of two. Service area: Tri-Cities (Kennewick, Pasco, Richland, West Richland), Yakima Valley, Walla Walla / College Place, Moses Lake, and Hermiston / Umatilla / Pendleton (OR). I-82, I-84, I-182, and US-12 corridors. Call (541) 310-0257 to schedule.
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