Working Hours
  • Mon 8:00AM - 5:00PM
    Tue 8:00AM - 5:00PM
  • Wed 8:00AM - 5:00PM
    Thu 8:00AM - 5:00PM
  • Fri 8:00AM - 5:00PM
    Sat 8:00AM - 12:00PM
  • Sun Closed
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Heavy Duty Services: Engine Overhaul & Replacement

For the big jobs, take your vehicle to AASTRO Transmission & Auto Repair! 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 Tucson, AZ 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 AASTRO Transmission & Auto Repair 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 AASTRO Transmission & Auto Repair.

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 AASTRO Transmission & Auto Repair. Visit us at one of our convenient locations for quality engine replacement services.

Engine Repair
When your vehicle shows any sign of trouble, bring it to AASTRO Transmission & Auto Repair for full-service engine repair in Tucson, AZ. From diagnostic check engine light repair to precision engine part repair, our expert auto mechanics are ready to help you.

Engine Repair and Rebuild
After years of use, your car's engine inevitably deteriorates. If you car needs a new engine and you are not ready to invest in a new car, consider having the engine rebuilt. This involves replacing or resurfacing all the rundown parts in an engine. Regardless of your engine replacement needs, AASTRO Transmission & Auto Repair has experienced engine rebuilders ready to assist 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 AASTRO Transmission & Auto Repair.

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 AASTRO Transmission & Auto Repair in Tucson, AZ. 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 520-325-5500 to talk to the mechanics of AASTRO Transmission & Auto Repair today.

Transmission Repair and Rebuild
When it comes to automatic transmission repair, there are several options: buying a new one, buying a remanufactured one or having yours rebuilt. Each of the above options has its own share of advantages and disadvantages. Of the three options, rebuilt transmissions are the most economical. A rebuilt transmission involves removing the transmission from the car, disassembling it, replacing worn out parts, reassembling it, and then reinstalling it. To have this done by specialists, call one of our convenient locations to talk to the mechanics of AASTRO Transmission & Auto Repair 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 or visit AASTRO Transmission & Auto Repair at one of our convenient locations today - we are transmission experts.

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 AASTRO Transmission & Auto Repair's cylinder head repair and reconditioning specialists today.

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 service, 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 AASTRO Transmission & Auto Repair 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 one of our convenient locations to talk to the mechanics of AASTRO Transmission & Auto Repair 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 AASTRO Transmission & Auto Repair can drop in a completely remanufactured JASPER gas or diesel engine, transmission or differential and get you back on the road again quickly! Call AASTRO Transmission & Auto Repair at one of our convenient locations to schedule an appointment. Proudly remanufactured in the U.S.A.


What Our Customers Are Saying

I took my car in for a problem. It was quickly diagnosed & the cost was minimal. The guys really know their stuff.


-Richard Deburmen

Just the usual great service.


-Linda Hands

I have always received great service & great advice. My questions are always answered honestly.


-Jennifer Hatcher

Your staff were very courteous & professional. They explained everything in detail and were exceptional in helping keep the repair affordable. They were honest & up front about everything. I came away feeling my repair needs were given the highest priority. Thanks.


-Tena Hawkes

Thank you for showing me my serpentine belt. I was told by others it needed replacing and you showed me that the belt was still O.K. - appreciate your honesty.


-Donna Hillner

Your staff is always very accommodating & go out of their way to help you.


-John Jinew

I am very happy because I have less worries about my car.


-Alice Limbres

Thank you for all the personal attention - I hope I can find as trustworthy & conscientious group of mechanics where I live now.


-Nola & Scott Lohman

They have been good people to deal with.


-Jim Magerino

Very courteous staff, I was taken care of right away. Staff went above & beyond.


-Mrs. Robert McCain

I was treated with care and given detailed explanations for everything.


-Jorge Rodriguez

I have been using AASTRO to service my cars for about 10 years. I have always received great service.


-H. Stanton

Your staff was awesome. Very professional, courteous, friendly & helpful.


-Paula Wright

Excellent repair personnel - nice people to deal with.


-Louis Jordan

So thankful for their assistance while traveling! Exceptional service by caring folks. Highly recommend!


-Tanya Wilson - Garner NC
  • AAA (American Automobile Association)
  • ASE (Automotive Service Excellence)
  • IATN (International Automotive Technicians' Network)
  • Automatic Transmission Rebuilders Association
  • Mitchell1
  • ASA (Automotive Service Association)
  • Automotive Training Institute
  • Enterprise
  • Interstate Batteries
  • Wynn's
  • LubeGuard
  • Royalty Rewards
  • Car Care Aware
  • Call Us For Service: 520-325-5500