117 Regency Dr., Wylie, TX 75098 Mon–Fri 8AM–6PM · Sat 8AM–2PM
Now accepting same-day drop-offs citylineauto601@gmail.com
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HoursMon–Fri 8AM–6PM
Sat 8AM–2PM · Sun closed
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Our services

Everything under the hood,
under one roof.

Engines, transmissions, brakes, A/C, electrical and diagnostics — all handled in-house by the same technicians, on the same 2-year / 24,000-mile warranty. Plus a complimentary multipoint inspection with every single visit.

Free multipoint inspection2yr / 24k warrantyOEM-quality parts
Browse by service

Pick the system — we’ll handle the rest.

Every service page explains what’s included, the warning signs worth acting on, and exactly how we approach the job.

At a glance

What’s included, service by service.

Misfires, oil consumption, overheating, timing components, head gaskets and full rebuilds — diagnosed properly before a single part gets quoted.

Misfire and rough-idle diagnosis with li…Timing belt and timing chain serviceHead gasket replacement and cylinder hea…Oil leak diagnosisCooling system repair: radiatorsIntake

Slipping, harsh shifts, delayed engagement or a transmission warning light — diagnosed honestly, because plenty of “transmission failures” aren’t.

Transmission fluid and filter service to…Road-test diagnosis with live data on sh…Shift solenoidTorque converter diagnosis and replaceme…AxleClutch replacement on manual transmissio…

The two systems that decide whether your car stops and stays pointed where you aimed it. We measure, we show you, and then we quote.

Brake pad and rotor replacementCaliperBrake fluid flush and moisture testingABS diagnosis and wheel-speed sensor rep…StrutControl arms

In North Texas, A/C isn’t a luxury. We find the leak instead of topping it off and sending you back out into August.

A/C performance testing and pressure dia…Evacuate and recharge to manufacturer sp…Electronic and dye leak detectionCompressorExpansion valveBlower motor and resistor replacement

A code is a starting point, not an answer. We pull live data, test the circuit, and verify the failure before anything gets recommended.

Full-system scanLive data capture and analysis under rea…Bidirectional testing: commanding compon…Electrical circuit testing with a meter …Emissions and readiness monitor diagnosi…Intermittent fault and no-start diagnosis

Fluids, filters, tune-ups, timing belts and factory-scheduled services — done to manufacturer spec, without dealership pricing.

Oil and filter serviceEngine air and cabin air filter replacem…Spark plugsTiming belt replacement with tensionerSerpentine beltsTransmission

No-starts, dead batteries, parasitic draws, alternators and wiring faults — traced circuit by circuit instead of guessed at.

Battery testingStarter and alternator diagnosis and rep…Charging system testing under loadParasitic draw testing for batteries tha…Wiring repairPower window

Every visit includes a complimentary multipoint inspection. And before you buy a used car, spend a little to avoid spending a lot.

Complimentary multipoint inspection with…Brake measurementFluid levelsBeltsSuspension and steering component inspec…Full pre-purchase inspection for vehicle…
Not sure what you need?

Describe the symptom. We’ll take it from there.

You don’t need to know what’s wrong — that’s our job. Call and tell us what the car is doing, and we’ll tell you what it likely is and what it takes to find out for certain.

Ready when you are.

Tell us what your vehicle is doing. We’ll tell you what it actually needs — and what it doesn’t.

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