95.1% would refer friends and family to us

5 stars Customer since 2006

Duke and the boys did a great job.

5 stars Customer since 2004

Had an oil change and ,as usual, Master Tech did a good job. We have been customers for over 12 years.

MASTER TECH replied:

Ahhh, my loyal customers James and Carol Polhemus. We love you guys and look forward to serving for a long time to come

Duke

5 stars Customer since 2004

I found Master-Tech to be honest and trustworthy. I did NOT need my belts replaced, only adjusted. I would recommend them.

MASTER TECH replied:

It was our pleasure to service your car Rudy. We do not like to spend money anymore than the next person so we treat your car as if it were ours.

Thanks

Duke

5 stars Customer since 2017

Fair, Friendly, Fast service... Have always had good experience with Master Tech

MASTER TECH replied:

Thank you again for being one of our customers ANN. We like to think of our customers as an extension of our family. You can always count on us.

Duke Smith

5 stars Customer since 2016

Master Tech, as usual, was AMAZING!! My car is a 2005 Ford and I LOVE it (it's awesome and it's paid off). Anytime I bring my car, whether for simple questions, routine maintenance, or something bigger, Master Tech and their mechanics are respectful, diligent, and efficient. It is incredibly difficult to find mechanics that are trustworthy, so finding Master Tech is like striking oil. Thanks for everything fellas!!

MASTER TECH replied:

Wow ! Would I ever like to strike oil ! I will have to say the same thing about having you as a customer. You can always count on us.

Duke Smith

5 stars Customer since 2017

Thanks for checking the air conditioning on my car. You were friendly and prompt as usual. However, a strange thing happened. The next day, a neighbor with lots of self taught mechanical experience was explaining generally how the ac's work. We were looking at the ac in the car. He had mentioned to me about the possibility of the expansion valve possibly being stuck or blocked in some way. He traced the high and low pressure lines to find the area where the expansion valve was probably located. Then he asked me to start the car and turn the ac on full blast. I did so, and he pointed out the the high pressure line was hot to the touch and the low pressure line was cold. He said it looked like it was working fine. The air inside was cold. I told him, " Yeh, but just wait until it gets a little warm and it will quit cooling. We waited with the car running for 10 minutes or so, and it was still cooling. We took it for a test drive of about 10 or 15 miles, and it just kept on cooling. We have been driving the car since with no signs of a problem. I drove it to Georgetown and back today, and it is still working normally.

I know the car had not been cooling well at all prior to the time I brought it in to you. You surmised that the compressor was failing internally and producing only small partial spurts of cooling on an intermitant basis. My neighbor and I did nothing to the car except look at it , except that we did attach the little cheapie guage that I have here at the house just to see how the pressure would register. It was in the high normal range.

It is a mystery I cannot explain, but am happy that it is working again. Just hope it continues to do so.

MASTER TECH replied:

Thank you for your input on this. I am glad your system is working at this time. No one wants to spend money, including myself. Please let me explain our reason for our recommendations.

Your ac system does not have an expansion valve. It has an orfice tube that is protected by a fine wire mess screen. Should this screen become clogged then the freon cannot flow, producing the same symptom as a restricted expansion valve. What can cause the restriction ? I will also explain this in detail. If the disaccant bag in the drier ruptures it will release particles into the system which cannot pass through the orfice which in turn will create a constant blockage. The same goes for particles being released from the compressor due to internal failure. These particles are generally much smaller in size compared to the disaccant material. They can however cause a blockage once enough particles have built up on the orfice screen.

The compressor used in your car is a Variable Displacement Compressor. These were designed to aid in less fuel consumption and run quieter. The V7 compressor in your car does not use a low pressure cutout switch. Instead it uses an Refrigerant Control Valve (RCV). These can and will fail which will produce the symptoms you are having. Some shops will replace just the valve and let it go that way. Sometimes this works and sometimes it does not. We have tried replacing these in the past and have had negative and positive results. I do not want any negative results so I have decided that we will not replace just the RCV because I do not want to inconvenience my customers by them having to come back for the same problem. When this happens, not only does the customer have to do with out the car but we have to return the money collected for trying to side step the correct fix which is compressor replacement. When the compressor is replaced the orifice tube, the drier are replaced along with a system flush to insure that the system in clean and free of any debris that may damage the new compressor.

I hope this helps explain our recommendations and also helps you make a decision if your system should start acting up again.

Duke Smith

5 stars Customer since 2007

I have been visiting Master Tech since they opened in Kyle. I have always received the ultimate care and service. I would recommend Master Tech to anyone. I have one car that I call Dukes project car because I think he has repaired just about everything on the car that could be repaired. Deffinately the best place to go. Thanks again.

5 stars Customer since 2017

They were fast and fair.

5 stars Customer since 2017

Matt and the Team are always great and the pricing is very fair.

MASTER TECH replied:

Thank you for your review Andrew. We rely on feedback to keep the level of our customer service as high as possible.

Duke Smith

5 stars Customer since 2014

DUKE AND MATT ARE VERY FRIENDLY AND HONEST. BEEN COMING HERE FOR A COUPLE OF YEARS AND WILL TELL EVERYONE ABOUT THEM.

MASTER TECH replied:

Thank you for the review Linda. We appreciate your visit to us and look forward to seeing you again if the need should arise.

Duke Smith

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