Oil Changes
Regular oil and filter changes to keep your engine running smoothly. Quick service while you wait.

Killeen, TX. Se habla espanol.
Full-service mechanic and electrical specialist on W Sprott St in Killeen. Omar has been fixing what other shops miss for years. Four out of five customers find us through a referral.
What we do
From a quick oil change to electrical diagnostics that four other shops could not figure out. We are on W Sprott St in Killeen, open six days a week.
Regular oil and filter changes to keep your engine running smoothly. Quick service while you wait.
Brake inspections, pad replacements, and rotor resurfacing. Stopping power you can count on.
Engine diagnostics and tune-up service to restore performance and fuel efficiency. We find what four other shops missed.
Radiator flushes, coolant system repairs, and thermostat replacement. Keep your engine from overheating in a Texas summer.
Strut and shock replacements, suspension inspections, and alignment. A smoother ride for your daily drive.
Battery testing, replacement, and starter motor repairs. We install the battery and make sure it starts every time.
Omar specialises in electrical and computer diagnostics. Most shops miss what we find. Se habla espanol.
Whatever is going on with your vehicle, we will take a look. Honest assessment, fair labour rate, no upsells.
Recent work
A small selection of what comes through the bay doors. Most of our new customers arrive on a recommendation from someone we already helped.

The shop
Castillo Auto Repair, W Sprott St

Under the hood
Diagnostic and repair work

The bay
Lift service and diagnostics

On-site
Canopy service area
What customers say
Verified reviews from real customers in Killeen, Fort Hood, and across Bell County.
“Best shop I have ever been to. It is not very often you find a mechanic you can trust but here you absolutely have that. Most honest shop I have ever had my vehicles worked on at. Prices are pretty low, liked it a lot.”
“I was having misfires while accelerating and he diagnosed the problem was a vvt sensor that four other mechanics were missing. His labour rate is very reasonable and he was very good with communicating throughout the job.”
“I came in and spoke to Omar about replacing the struts on my 2010 Prius and he gave me a very good price for labour, and just told me to buy the parts and come back to get them installed. Let me tell you, the work was excellent and done in a timely manner.”
“Huge thank you to Omar and his wife for going above and beyond when fixing my rear valve cover gasket and in such a timely manner. The work was great and the problem was fixed swiftly. You guys are very professional and I will be back.”
About Castillo Auto Repair
Castillo Auto Repair has been on W Sprott St in Killeen for years, built almost entirely on word of mouth. Most new customers arrive because someone they know already used us and said to go there.
Omar and Emmie run the shop together. Omar handles the mechanical and electrical work, Emmie handles the front desk and customer communication. That combination of specialist skill and clear communication is what comes up most often in the reviews.
One review described finding a vvt sensor problem that four other mechanics had missed. Another praised the communication throughout the job. A third said the labour rate was very reasonable. None of those things happen by accident.
Se habla espanol. For Spanish-speaking customers in Killeen and Fort Hood who have had trouble getting a clear explanation from other shops, that matters.
Get in touch
Call us directly or fill in the form and we will get back to you. If you are not sure what the problem is, describe what is happening and we will talk through it over the phone first.