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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!

Diesel Engine Repair, AC Repair, Car & Truck Care, Electronic Services, Engine & Transmission, Alignment, Heating and Cooling Services, and Brakes

  • 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

Where do i start.. Wednesday afternoon 3pm before Thanksgiving on way home to Phoenix, car goes into limp mode, got referred to Protrans. Called them they agreed to take a look. Diagnosed, parts ordered and Throttle Body replaced and road tested. So very excited to know that there are still Honest shops out there that actually care about their clients. Highly recommend Protrans.
J
, 11/28/2022

Very friendly! They checked our car and gave us professional recommendations for free! Will surely go back to them when next oil change needed.
Y
, 11/19/2022

Went in for transmission repair, after diagnosing the problem they told me I didn't need a full rebuild saving me well over $1,000.00. They found some safety issues I wasn't aware of and I had them take care of all of them. The truck is running great! Thank you Protrans.
R
, 11/18/2022

Professional, clean, courteous, helpful and reasonable.
K
, 11/09/2022

Jeff, Matt and Hayley and the team at Protrans did an incredible job and went above and beyond for us. We had a one of a kind, 1970 Ford Chinook Motor Home that made it down to Joshua Tree from Homer Alaska. It sat during the pandemic and we finally rescued her almost 3 years later. She did not deal with the transition to desert life smoothly and was leaking badly and ran terribly. We had her towed to Riverside and found Protrans from a referral from another shop. The team at Protrans rebuilt the transmission and went through the engine to get us back on the road without breaking our budget. Jeff was good about communicating and Matt even drove over the day after we picked it up to help assess some issues that came up on the way home. Can't say enough about the professionalism, care, and service we received and would recommend them to anyone for all car repairs!
J
, 10/18/2022

Customer service is excellent! Job was completed promptly. Price was reasonable. They were honest and courteous. I would definitely use their services again, and I highly recommend them.
G
, 10/03/2022

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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