Working Hours
  • Mon 7:00AM - 6:00PM
    Tue 7:00AM - 6:00PM
  • Wed 7:00AM - 6:00PM
    Thu 7:00AM - 6:00PM
  • Fri 7:00AM - 6:00PM
    Sat Closed
  • Sun Closed
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Heavy Duty Services: Engine Overhaul & Replacement

For the big jobs, take your vehicle to Superior Auto Service Center! Our expert services are ideal whether you have a late model import or newer domestic vehicle. And because we guarantee the work we perform, you can rest assured you are receiving the highest quality engine overhaul and replacement services in the Frederick, MD 21703 area.

Our heavy duty services include:

Diesel
Although diesel engines don't require tune-ups and tend to last longer than gasoline engines, they do require regular maintenance. Typical maintenance tasks include:

  • Changing the oil & filter
  • Changing the air filter
  • Changing the fuel filter
  • Bleeding the fuel system
  • Draining the water separators
  • Refilling the urea injection system

You can count on the experts at Superior Auto Service Center to help your diesel engine last a long time.

Engine Maintenance
Any car part manufacturer will tell you that preventive maintenance is critical to the part's lifespan. Like other auto parts, car engines aren't built to last forever. However, you can increase the engine's lifespan by performing regular preventive maintenance. The easiest way to maintain peak performance and fuel economy is to provide regular engine maintenance for your vehicle. To have your engine maintained by experts, visit Superior Auto Service Center.

Engine Replacement
The engine converts energy into useful mechanical motion. This amazing machine is what keeps your vehicle moving. Although generally reliable, a car engine is susceptible to damage and breakdown. When this happens, do not sit and stress over it. Take action. Take the vehicle to a mechanic for an engine replacement. Bring it to Superior Auto Service Center. Visit us at 4624 Wedgewood Blvd for quality engine replacement services.

Engine Repair
When your vehicle shows any sign of trouble, bring it to Superior Auto Service Center for full-service engine repair in Frederick, MD. From diagnostic check engine light repair to precision engine part repair, our expert auto mechanics are ready to help you.

Transmission Maintenance
Any car part manufacturer will tell you that preventive maintenance is critical to the part's lifespan. Like other auto parts, car transmissions aren't built to last forever. However, you can increase the transmission's lifespan by performing regular preventive maintenance. The easiest way to maintain peak performance and fuel economy is to provide regular transmission maintenance for your vehicle. To have your transmission maintained by experts, visit Superior Auto Service Center.

Transmission Replacement
In motor vehicles, the transmission usually refers to the gear box, which uses gears and gear trains to transmit speed and torque from a rotating power source to another device. You can have your car's transmission replaced with a new, rebuilt, remanufactured, repaired or used transmission. For more information contact Superior Auto Service Center in Frederick, MD. Our experienced service technicians can help you make the best decision for your vehicle and your wallet.

Transmission Repair
Our services include transmission repair on both manual and automatic transmissions. The first step in getting you back on the road is assessing your transmission to accurately determine the source of the problem. In some cases, we are able to repair your transmission simply with adjustments, replacing external seals, or replacing accessible parts. To have this done by specialists, call 301-682-3533 to talk to the mechanics of Superior Auto Service Center today.

Transmission Flush
Although most manufacturers recommend a transmission flush every 30,000 miles or every two years, some symptoms may indicate that you need a transmission flush sooner. Some of the symptoms that indicate that your car needs a transmission flush sooner are: transmission grinding or strange noises, problems shifting gears, slipping gears, surging of the car, and delay in vehicle movement. Flushing the used fluid from the transmission washes away tiny particles of dirt, clutch material, and metal shavings. For all your transmission flush needs, call 301-682-3533 or visit Superior Auto Service Center today - we are transmission experts.

Timing Belt
A timing belt is a part of your car's internal combustion engine. The belt synchronizes the camshaft and the crankshaft rotation so that the engine valves open and close at the correct timings. Also, the belt prevents the piston from striking the valves in an interference engine. A timing Belt is a rubber belt that usually features teeth on the inside surface, while a timing chain is a metal roller chain. Most cars we drive now have timing belts instead of timing chains and gears. Although different manufacturers have their recommended mileage, you need to have your car's timing belt checked regularly. To have it checked by experts, contact Superior Auto Service Center today.

Cylinder Head
A cylinder head is the closed end of a cylinder (located in a car's engine block). It sits above the cylinder block, closing the top of the cylinder and forming the combustion chamber. The cylinder head coordinates airflow in and out of the engine. Since the cylinder head's chief function is to seal the cylinders properly, insufficient compression results in the car being difficult to drive. To have your cylinder head checked and repaired, talk to Superior Auto Service Center's cylinder head repair and reconditioning specialists today.

Cylinder Block
A cylinder block is the powerhouse for the motor vehicle. The solid cast car part houses the cylinders and their components (gaskets, valves, and seals) inside a lubricated and cooled crankcase. Since it is one of the most important parts of your car, the block is designed to be extremely strong and sturdy. Although strong and sturdy, the block is susceptible to failure resulting in a vehicle that won't start. Cracked blocks, porous blocks, core plug, or freeze plug failure are some of the problems facing cylinder blocks. Call 301-682-3533 to talk to the mechanics of Superior Auto Service Center about your cylinder block problems.

Authorized Jasper Dealer
Give Your Vehicle a New Lease on Life with JASPER. That big oil slick in your driveway or those strange noises from under your hood don't have to mean you'll be saddled with a new car payment soon. Instead, your trusted installer at Superior Auto Service Center can drop in a completely remanufactured JASPER gas or diesel engine, transmission or differential and get you back on the road again quickly! Call Superior Auto Service Center at 301-682-3533 to schedule an appointment. Proudly remanufactured in the U.S.A.


What Our Customers Are Saying

I've got 3 cars and I take all of them there when work is needed. These guys are thorough and honest! I've been a customer since 2006.


-Tom L

Fantastic and Honest people that go above and beyond to help you... Can't recommend them enough...


-Lenny A.

The best customer service, transparency and honesty I have ever experienced when working with an auto repair shop. They will be upfront, and go the extra mile. My vehicles will never be serviced elsewhere.


-Daniel K.

I have been with Superior for 3 years with my 2001 Jeep. They do all my work and I am 100% satisfied with they work and I like the way I'm treated, not like a customer but a good friend. They show me what is wrong so I don't have to take their word for it. If I need a ride home or be picked up to get my car they are there for me. I think I'll be with them for many more years.


-Tom R.

Absolutely the Best! Superior and the team is like family, trustworthy, a clean shop and a pleasure to work with. As a single lady, choosing a good mechanic can be daunting. I don't even want to take my truck anywhere else. The guys at Superior drove my vehicle with me and listened for problems. They described the problem to me so that I could really understand, and their service was fast! They will help with regular maintenance so I won't have to worry about missing important upkeep. They really are SUPERIOR!


-Diana O.

Very knowledgeable and honest guys. Was able to get an estimate before the work was even done. Very friendly. Pricing is not the cheapest around town but reasonable (There is also the old adage you get what you pay for). Would recommend and will do business with them again!


-Timothy W.

These guys are awesome! I was treated like family from the minute I walked in the door. They listened to my concerns, gave me a detailed description of what was needed, found other maintenance concerns, gave me a detailed estimate and even told me what could be differed until next time. Integrity comes to mind when I think about my experience. You can trust these folks with your ride. Highly recommended!


-Mac C.

These guys rock. Recently I started my car (while parked in the garage) and it was leaking fuel. Then, died on me. After calling these guys, within two hours they arranged to have the car towed and by that afternoon provided me with an update. The next morning they called with an estimate for the repairs. Ironically, this happened the DAY BEFORE I left for vacation. Not only did they provide amazing service from the very beginning, but they took care of the repairs and the car was ready for pickup upon my return. This gave me peace of mind while I was away. They even came to my house to pick me up to get my car when I returned! Reasonable prices for work performed (replaced fuel filter, PCV valve, etc.) and the car's been running smoothly ever since. So happy with Superior and highly recommend them.


-Nicole R.

I just want to say that Superior Auto Services are awesome! They have a great professional team. They always greet you with a smile and work around your schedule. Usually it is the same day service. One time I was there I was having a problem with my Subaru acting like it wanted to shut off but not all the time. They drove the car 13 miles before it would act up. How many auto services would do that.? Probably zero to one. I highly recommend them to anyone!! I will never take my car anywhere else. Also they were highly recommended to me. Thanks for keeping my Subaru running greatly appreciate everything you have done for me!!!!


-Margaret H.

After living in the Frederick area for several years I was happy to find Superior! I was coming off an experience where getting my oil changed at a high volume oil change business didn't tell me I needed an alignment and had to purchase a new set of tires prematurely. Superior has great customer service. I really appreciate the time they spend explaining repairs and repair options. I appreciate and use their shuttle service. I appreciate that they are a full service shop and can take care of any repairs my cars need. The only small nit I have is that their price on parts can be a bit high. I also appreciate that their price for an oil change/tire rotation is reasonable- that's big for me!


-Ben L.

If I can take my car there..... you can to, because I'm picky.


-Travis P.

Outstanding in every way, couldn't be more pleased, they live up to their name. Will be a loyal customer from now on; highly recommended.


-Diane D.

Dealer service can be frustrating. So when that happens try Superior Auto Service just off of English Muffin Way. They're friendly, courteous and thorough. Reasonable pricing too. Got that at your dealer? Just a thought!


-Mike M.

Excellent shop, highly recommend. I went into the shop on MLK day around 10:30am to inquire about having an aftermarket exhaust I had purchased installed. They said as long as everything lines up and no issues, 1 hour labor, they scheduled me for the next day. Next day I dropped it off in the morning and picked it up at the end of the day, same price I was told 1 hour of labor. These guys did a great job and were able to fit in my exhaust without needing to wait a long time for an appointment. They also have a shuttle service that dropped me off at work and picked me up when the car was ready. I know where I will go when I have other automotive needs, go there with confidence.


-Adam D.
  • ASE (Automotive Service Excellence)
  • IDENTIFIX
  • Jasper
  • AAA Approved Auto Repair
  • Bosch Service
  • Castrol
  • CarFax
  • Repair Pal
  • Car Care Aware
  • Call Us For Service: 301-682-3533