One shop for the whole driveway
The daily driver, the diesel pickup and the motorhome, all under one roof. Engine swaps, timing jobs, transmissions and the small stuff in between, on any make from old school to brand new.
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Johnny’s Auto. Diesel. RV. Best mechanic & repair shop in Kennewick, WA
Repairs & Maintenance
Scheduling made easy.
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Mon–Fri 8 AM–5 PM
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Check engine light?
We read the codes, then test the part before we replace anything.
Diesel truck repair
Duramax, Power Stroke, Cummins. Injectors, turbos, DPF and EGR trouble, cooling and brakes on pickups and work trucks.
RV winterizing
Chassis, engine and transmission work, oil changes and winterizing on motorhomes up to 38 feet. No more being sent to another shop.
Financing available
Synchrony Car Care and Snap Finance, so a big repair doesn't have to wait. All major cards and cash too.
Any make.Any model.
From the classics to the latest models.
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Check engine light & electrical diagnosticsDiagnosticsWe find the real problem first. Diagnostic visit $161.20.Oil changes & routine maintenanceOil changeFrom $135 for cars, $250 for diesel, $300 for RVs.Brake repair & inspectionBrakesPads and rotors, $350 to $670 per axle.Car A/C repairA/CR-134a and 1234yf systems, leak-tested first.Diesel truck repair: Duramax, Power Stroke, CumminsDieselFuel systems, turbos, DPF and EGR on diesel pickups.RV & motorhome repairRVChassis, engine, winterizing. Bays fit up to 38 ft.Engine repairEngineMisfires, leaks, timing, replacements.Transmission repair & serviceTransmissionHard shifting, slipping, leaks, service.Cooling system & radiatorCoolingRadiators, water pumps, thermostats, flushes.Suspension & steering repairSuspensionClunks, wander and rough ride, gone.Wheel alignmentsAlignmentFront-wheel and all-wheel alignments, $135.TiresTiresRepairs, rotations and new tires for cars and SUVs.Electrical & startingElectricalBatteries, starters, alternators, wiring.General repair, small to majorGeneral repairIf it's on the road, bring it in.
What is your labor rate?Labor ratePriced by the vehicle: cars, diesel and RVs. See the rates on our services page.Do you take walk-ins or same-day?Same-dayAppointments first. Call (509) 222-1200 and we'll tell you what's open today.Do you offer financing?FinancingYes. Synchrony Car Care and Snap Finance.Can I get a quote?QuotesA range by phone, a written quote after inspection. You approve before work starts.When are you open?HoursMon–Fri 8 AM–5 PM. Closed Sat & Sun. Closed for lunch 1–2 PM.Can I drop off after hours?After-hours drop-offYes. Key-drop envelope next to the red front door.How do I get there?Directions5623 W Clearwater Ave, Suite B120, Kennewick. Tap for directions.What's the warranty?Warranty2 years / 24,000 miles, nationwide.Do you work on RVs?RVsYes, up to 38 ft in the bays. Chassis, engine, winterizing.Do you work on diesel trucks?DieselYes. Duramax, Power Stroke, Cummins and more.Can I bring my own parts?Own partsYes. We'll install parts you supply.How can I pay?PaymentAll major cards, cash, or financing. Deposit on jobs over $2,000.
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Hours & location
5623 W Clearwater Ave, Suite B120 in Kennewick. Call ahead and we'll have the bay ready; after hours, use the key-drop envelope by the red front door.
| Monday | 8 AM – 5 PM |
| Tuesday | 8 AM – 5 PM |
| Wednesday | 8 AM – 5 PM |
| Thursday | 8 AM – 5 PM |
| Friday | 8 AM – 5 PM |
| Saturday | Closed |
| Sunday | Closed |
Closed for lunch 1 to 2 PM. Closed Thanksgiving, Christmas Eve and Day, and the Fourth of July. After hours, use the key-drop envelope next to the red front door.
5623 W Clearwater Ave, Suite B120
Kennewick, WA 99336
Kennewick, WA 99336