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New Concept Auto Service Honest · Accurate · New Concept
Mon–Fri · 7:30am–5:30pm 5 Johnson County Shops
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№ 01
Diesel Vehicle Service

Diesel Vehicle Service

Expert Diesel Vehicle Service in Overland Park, South Overland Park, Merriam, Shawnee & Olathe, KS.

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ASE-Certified TechniciansHonest, Photo-Documented EstimatesFree Second OpinionAAA Approved
OverviewFig. 02

Diesel engines ask for a different maintenance rhythm than gas engines — and the first step is simply confirming we can service yours.

Diesel powertrains are built to work hard and run a long time, but they get there on their own schedule — different oil, different filtration, and maintenance intervals that don't match a typical gas engine. Keeping up with those basics is what protects the investment and keeps a diesel pulling the way it was designed to.

Diesel service capabilities vary by location, so before you book, please call the shop nearest you to confirm we can service your specific diesel vehicle. If it's a good fit, you get the same honest, photo-documented estimates and straight answers we're known for — and a clear recommendation on what needs attention now versus what can safely wait.

What's Included№ 03 — Scope of Work

Diesel services we handle

Our diesel work centers on the maintenance and mechanical service that keeps a diesel reliable. Capabilities vary by location, so please call to confirm your vehicle before booking.

01

Diesel oil & filter changes

Oil and filter service using the oil type and intervals a diesel engine calls for, which differ from a gas engine's.

Repair details 02

Diesel diagnostics

Reading stored codes and live data to track down a warning light or driveability complaint rather than guessing at it.

Repair details
03

Scheduled diesel maintenance

Keeping up with the filters, fluids, and inspections on the schedule your diesel's maintenance plan lays out.

04

Fuel & air filtration service

Replacing the fuel and air filters that protect a diesel's fuel system and keep it breathing cleanly.

05

Cooling system service

Inspecting and servicing the cooling system that keeps a hard-working diesel within its temperature range.

06

Belts, hoses & drivetrain inspection

Checking the belts, hoses, and related mechanical parts that wear with time, heat, and miles.

07

Diesel mechanical repair

General mechanical repairs on diesel vehicles, scoped to what we can confirm we're able to service at your chosen shop.

08

Battery & charging check

Testing the batteries and charging system, since diesels often run higher cranking demands than gas engines.

Repair details
When To Come In№ 04

When to bring a diesel in

A diesel rewards steady, on-schedule care. Before you come in, call to confirm your specific diesel can be serviced at the shop nearest you.

Watch for
  • Hard or slow cold starts
  • Excessive or unusual exhaust smoke
  • A noticeable loss of power or pulling strength
  • A warning light on the dash
If you wait
  • Stretched oil intervals wear a diesel faster than a gas engine
  • Clogged fuel or air filters starve the engine and cut power
  • Ignored warning lights can let a small fault grow
  • Deferred cooling service risks overheating under load
Stay ahead
  • Follow the diesel-specific oil and filter intervals
  • Service fuel and air filtration on schedule
  • Keep cooling-system fluid fresh and at the right mix
  • Call first to confirm your diesel can be serviced here
Safety first
  • Never ignore a warning light on a working diesel
  • Sudden power loss while towing deserves prompt attention
  • A free second opinion is always available here
  • Confirm service capability before relying on a repair date
Symptom Explorer

Common diesel warning signs

Diesels tend to tell you when something's off. These signs point to a likely cause that an inspection can confirm.

A note on symptoms — These signs point to likely causes, not a definitive diagnosis — a professional inspection confirms the real source. Please also call ahead to confirm your diesel can be serviced at your chosen location.

A diesel that cranks longer than usual before catching, especially in cold weather, can point to several things that need to be checked rather than assumed. Starting systems and fuel delivery differ from a gas engine, so the right diagnosis matters. We read the system before recommending a fix.

More smoke than normal, or a color you don't usually see, is a sign worth investigating rather than driving through. It can stem from a range of causes, which is why an inspection comes before any conclusion. We look at the actual data instead of guessing from the tailpipe alone.

If the engine feels down on power or struggles under load, something in the air, fuel, or exhaust path may be restricted or faulting. Because several systems can produce the same feel, we diagnose the source rather than replacing parts on a hunch.

A dash light on a diesel can point to anything from a stored fault to a maintenance reminder, and the only honest way to know is to read it. We pull the codes and live data to see what the vehicle is actually reporting before recommending work.

An idle that feels uneven, or a knock or rattle you haven't heard before, is worth checking early. Catching it while it's minor is almost always cheaper than waiting. We inspect to find what's behind the change rather than assuming the worst.

Why Diagnostics Matter

Diagnosed, then confirmed we can help

Diesel systems overlap with gas engines in some ways and diverge sharply in others, so the same symptom can trace back to very different parts. Reading the stored codes and live data is how we separate a maintenance reminder from a real fault — and how a quote reflects what your vehicle actually needs instead of a guess.

Just as important: diesel service capabilities vary by location. Before you count on a repair date, call the shop nearest you so we can confirm we're able to service your specific diesel vehicle. It takes a minute and saves everyone a wasted trip.

  • 01Codes & live data read before any recommendation
  • 02Maintenance reminders separated from real faults
  • 03Honest, photo-documented estimate of what's needed
  • 04Call ahead so we can confirm we can service your diesel
The Process

How a diesel visit works

It starts with a phone call to confirm we can service your vehicle — then follows the same careful, transparent workflow we use on every car.

  1. 01

    Initial inspection

    We start by listening to how the vehicle is behaving, then put it on the lift for a hands-on look at the system you came in for.

  2. 02

    Diagnostic testing

    Where a fault is electronic or intermittent, we scan control modules and test live data instead of guessing at parts.

  3. 03

    Findings & explanation

    You get a plain-language rundown of what we found — often with photos — so the problem is clear before any work is quoted.

  4. 04

    Repair recommendations

    We separate what needs attention now from what can safely wait, with an honest written estimate.

  5. 05

    Your authorization

    Nothing happens until you approve it. No surprise add-ons, no pressure.

  6. 06

    Professional repair

    ASE-certified technicians complete the work with quality parts, torqued and fitted to spec.

  7. 07

    Quality verification

    We re-test and road-check the repair, then hand the vehicle back backed by our nationwide warranty.

Related ServicesKeep exploring
MaintenanceOil Changes DiagnosticsAuto Diagnostics FleetFleet Services
QuestionsFAQ

Frequently asked questions

It depends on the vehicle and the location, because diesel service capabilities vary from shop to shop. The honest answer is to call the New Concept location nearest you and tell us what you drive, so we can confirm we're able to service your specific diesel before you book. We'd rather tell you up front than have you make a trip for nothing.
Diesels generally use a different oil specification and often run on different change intervals than gas engines, and their filtration needs differ too. Using the right oil and keeping to the correct interval is one of the biggest things you can do to protect a diesel. We service it to the specification your vehicle calls for.
A warning light is the vehicle telling you something needs to be read, and the only way to know how urgent it is is to pull the codes. Some lights are maintenance reminders; others point to a fault that's better not driven on. Call us, and if it's something we can service, we'll scan it and give you a straight answer.
We handle general diesel maintenance and mechanical repair, but what we can take on varies by location and by vehicle. That's why the first step is always a call to confirm your specific diesel can be serviced at your chosen shop. We'll be honest about what we can and can't do rather than overpromising.
Yes — if another shop gave you an estimate, we're glad to take a look and provide an honest written estimate for comparison, at no charge, on vehicles we're able to service. Call first to confirm we can service your diesel, and present the coupon from our Specials page at check-in.
Find A LocationFive Johnson County shops

Service near you

Book at the New Concept shop that's most convenient — same ASE-certified standards and nationwide warranty at every location.

01

Overland Park

9573 W 87th St, Overland Park, KS 66212
Book Call (913) 557-8344
02

Merriam

6032 Merriam Dr, Merriam, KS 66203
Book Call (913) 346-8169
03

Shawnee

4119 Bonner Industrial Dr, Shawnee, KS 66226
Book Call (913) 586-2430
04

Olathe

128 N Mahaffie St, Olathe, KS 66061
Book Call (913) 586-2660
05

South Overland Park

7601 W 119th St, Overland Park, KS 66213
Book Call (913) 398-3402
Book an Appointment

Ready when you are.

Book online in under a minute, or call and talk to a real person. Honest estimates, no pressure — your dealership alternative in Johnson County.

Book Service Call (913) 557-8344