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Best Auto Repair, Riverside
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Protrans Automotive & Transmission Specialists, The Best Truck and Car Repair Service in Riverside

Get top-notch auto repair services today at Protrans Automotive & Transmission Specialists. From AC repair to transmission services, our goal is to offer expert auto repairs at an affordable price. We are conveniently located near you in Riverside. Come by our shop at 3420 Gato Ct or call today to schedule an appointment at 951-367-7400.

Quick and Trouble-Free

We know your time is money. Most truck or car maintenance services can be completed while you wait. Many repairs such as AC repair, brakes, and transmission repairs will be performed that day. Straight forward or complicated, our mechanics will get your auto repairs done quickly and get you back on the road right away.

Get A Clear Estimate With No Hidden Costs

We will provide you with an easy to understand estimate before beginning any services. Ask us about options to keep auto repair costs low or upgrades to keep your car in top shape. We stand behind all of our work with a guarantee you can count on. Call today to schedule an appointment at 951-367-7400.

Our Mechanics Can Handle It

Our certified mechanics and highly skilled auto repair specialists provide the best in auto repair services for domestic and import automobiles of all makes and models.

Call today to schedule an appointment at 951-367-7400 or email us.

See What We Do!

Car & Truck Care, Electronic Services, Electrical Services, General Services, Heating and Cooling Services, Engine & Transmission, Miscellaneous Services, Towing, Transmission Services, and Undercar Services

  • Comfortable Waiting Area
  • Free coffee
  • Discount Programs
  • Factory Scheduled Maintenance
  • Scheduled Maintenance Program
  • Schedule Online
  • Free Snacks
  • Text Message Reminders
  • Watch TV While You Wait
  • Free WiFi
  • Certified Technicians

Financing Available




what our customers say

My family and I love this place! Our car had a leak and started smoking the day we had to leave Riverside and we found this place through amazing reviews. They were super fast and were understanding that we had to leave town urgently. The service was amazing and everyone we met were super friendly. They are also super attentive considering they remembered us and our situation even though we only spoke on the phone about it! They were also transparent about prices and fees so you don't have to worry about hidden charges and they made sure to get our approval before proceeding. This has to be a go to place if you are within range!
D
, 06/20/2022

My alternator went out on my car while I was driving to Arizona with my 3 dogs and a cat, to say I was stressed is an understatement and they had my car up and running before lunch time!! I can't tell you how much I appreciated the service and their kindness.. Thanks Jeff!!
L
, 06/20/2022

Great business, very friendly, professional, and up-front about anything related to your vehicle. Have been going to them for multiple different vehicles because of the quality.
J
, 06/09/2022

We were very impressed with their professionalism. They kept us informed at every step of the process. We will definitely be coming back.
C
, 06/08/2022

They did a diagnostic on my car and found that my transmission wasnt working anymore. They also found that my transmission was still under warranty and they sent it to a nissan dealership to get it replaced for free. I didnt even know it was atill under warranty so that was nice what they did.
S
, 05/25/2022

The folks at Protrans did a great job on my 2008 Ram trans rebuild!!! The service went way above and beyond!!! Jeff was great to work with and kept me well informed on all my options and progress!! Will be taking all my vehicles there for all work!!!
C
, 05/23/2022

Auto tips from our experts
  1. According to recent studies, 5 percent of all motor vehicle fatalities are clearly caused by automobile maintenance neglect.

  2. The cooling system should be completely flushed and refilled about every 24 months. The level, condition, and concentration of coolant should be checked. (A 50/50 mix of anti-freeze and water is usually recommended.)

  3. Never remove the radiator cap until the engine has thoroughly cooled. The tightness and condition of drive belts, clamps and hoses should be checked by a pro.

  4. Change your oil and oil filter as specified in your manual, or more often (every 3,000 miles) if you make frequent short jaunts, extended trips with lots of luggage or tow a trailer.

  5. Replace other filters (air, fuel, PCV, etc.) as recommended, or more often in dusty conditions. Get engine drivability problems (hard stops, rough idling, stalling, diminished power, etc.) corrected at a good shop.

  6. A dirty windshield causes eye fatigue and can pose a safety hazard. Replace worn blades and get plenty of windshield washer solvent.

  7. Have your tires rotated about every 5,000 miles. Check tire pressures once a month; let the tires cool down first. Don't forget your spare and be sure your jack is in good condition.

  8. Check your owner's manual to find out what fuel octane rating your car's engine needs then buy it.

  9. Keep your tires inflated to the proper levels. Under-inflated tires make it harder for your car to move down the road, which means your engine uses more fuel to maintain speed.

  10. Lighten the load. Heavier vehicles use more fuel, so clean out unnecessary weight in the passenger compartment or trunk before you hit the road.

  11. Use the A/C sparingly. The air conditioner puts extra load on the engine forcing more fuel to be used.

  12. Keep your windows closed. Wide-open windows, especially at highway speeds, increase aerodynamic drag and the result is up to a 10% decrease in fuel economy.

  13. Avoid long idling. If you anticipate being stopped for more than one minute, shut off the car. Contrary to popular belief, restarting the car uses less fuel than letting it idle.

  14. Stay within posted speed limits. The faster you drive, the more fuel you use. For example, driving at 65 miles per hour (mph) rather than 55 mph, increases fuel consumption by 20 percent.

  15. Use cruise control. Using cruise control on highway trips can help you maintain a constant speed and, in most cases, reduce your fuel consumption.

  16. Keep your engine tuned. A fouled spark plug or plugged/restricted fuel injector can reduce fuel efficiency as much as 30 percent.

  17. Inspect the engine's belts regularly. Look for cracks or missing sections or segments. Worn belts will affect the engine performance.

  18. Have the fuel filter changed every 10,000 miles to prevent rust, dirt and other impurities from entering the fuel system.

  19. Change the transmission fluid and filter every 15,000 to 18,000 miles. This will protect the precision-crafted components of the transmission/transaxle.

  20. Inspect the suspension system regularly. This will extend the life of the vehicle's tires.

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