Thao Auto Repair Auto repair & auto body · San Diego
Bring this in Oil change $45 · full synthetic $60

Bring this in

Oil change

Conventional$45up to 5 qt
Full synthetic$60up to 5 qt

Plus sales tax and any disposal fee, itemized on your invoice. Not an out-the-door price.

  • New filter, every time
  • Multi-point inspection on the lift
  • Tire pressures set, tread measured
  • Fluids topped to the correct spec
Expires 12.31.26 Thao’s Auto Repair
(619) 640-4606
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Expires December 31, 2026. One vehicle per visit. Most cars and light trucks.

Quarts beyond five, diesel engines, and European engines that require a specific manufacturer approval are priced separately — the extra cost may be substantial. We tell you before we start, never after. Some engines must have full synthetic; if yours is one we will say so rather than put the wrong oil in it.

You get a written estimate and you authorize it before any work is done. If the job changes, you get a revised figure to approve.

Home / Services / Pre-purchase inspection

Pre-purchase inspection

The cheapest hour you will ever spend on a used car is the one before you buy it.

A technician leaning over an open engine bay during an inspection
What passes, what fails, and what it will take

What we look at

On a lift: structure, leaks, suspension, brakes, tires and exhaust. On the scan tool: stored and pending codes, readiness monitors, and whether anything has recently been cleared. On the road: how it drives, shifts and stops.

Time requiredAbout 90 minutes
ReportWritten, with costs
AppointmentRecommended
Pre-purchase inspection
Time requiredAbout 90 minutes
ReportWritten, with costs
AppointmentRecommended

What you get

A written report with the faults, the measurements, and an estimate of what it would cost to put right — so you can walk away, or negotiate with a number in your hand.

What we will not do

We do not tell you whether to buy it. We tell you what it needs. The decision is yours and we have no interest in the sale either way.

Before you buy, not after

A pre-purchase inspection is the cheapest hour anyone spends on a used car. You get what passes, what fails, and what it would take to put right — in writing, so you can decide with numbers instead of a feeling. We have no interest in whether you buy the car.

Thao Auto Repair is on El Cajon Blvd in North Park, San Diego, and has been family run for over forty years — started by Le’s father and run by Le ever since. Most of the cars that come through are from the neighborhoods around the shop: North Park, University Heights, Normal Heights, South Park, Hillcrest and City Heights. All makes, domestic, Asian and European. Repair, auto body and a full machine shop are on the one site, which is why a job needing two of the three never leaves the building.

Book a slot

Tell us the symptom. We will tell you the next opening.

The chat narrows the symptom down with you so the call is short and the desk knows what to pull before you arrive. It will not diagnose your car in a chat window, and it does not book for you — the last step is a phone call, to a person.

Call (619) 640-4606

Where we are

3400 El Cajon Blvd
San Diego, CA 92104

Mon–Fri · 8:00 AM to 5:30 PM

Get directions

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Other services

Everything else we do.