Services at Glenn’s Auto Service – Downey Auto Repair You Can Trust
At Glenn’s Auto Service, we offer complete, honest, and high-quality auto repair services for drivers throughout Downey and the surrounding communities. Since 1954, our family-owned shop has provided the kind of care that makes people feel safe, respected, and confident about their vehicles. Whether you need maintenance, diagnostics, or a major repair, our ASE-Certified technicians are here to help with the communication, transparency, and accuracy we’re known for.
A Message From the Owner – Mike Grosse
“Our goal is simple: tell you the truth, explain everything clearly, and do the job right. At Glenn’s Auto Service, we repair cars the way we’d want someone to repair our own family’s car — with honesty, safety, and real care.” – Mike Grosse, Owner & Technician
Mike grew up around the automotive industry and saw firsthand how some shops rushed customers or hid information. That’s why he built a shop where conversations matter, written estimates are standard, and every customer is treated like a neighbor.
Complete Automotive Services for American & Asian Vehicles
We specialize in servicing most 2000-and-newer American and Japanese vehicles, including Toyota, Honda, Ford, Chevrolet, Nissan, Hyundai, GMC, and more. Our modern diagnostic tools allow us to identify issues accurately, fix them efficiently, and ensure your vehicle stays safe and reliable.
Here’s an overview of what we can help you with:
Brake Repair & Brake System Inspection
Your brakes are your most important safety system. We perform:
- Brake pad and rotor replacement
- Caliper and hydraulic repairs
- ABS troubleshooting
- Brake fluid services
- Brake warning light diagnostics
If your brakes squeak, vibrate, or feel weak — we’ll take care of it quickly and correctly.
Check Engine Light & Advanced Diagnostics
Today’s vehicles depend heavily on sensors and electronics. When something goes wrong, we use dealership-level equipment to pinpoint the real cause.
- Misfires
- Emission failures
- Fuel system issues
- Sensor malfunctions
- Computer communication problems
No guessing—just accurate answers and honest recommendations.
A/C & Heating Repair
Driving in California means your A/C needs to perform. We provide:
- A/C recharging and performance checks
- Compressor, condenser, and evaporator repair
- Heater core and blend door service
- Climate control diagnostics
Stay comfortable no matter the weather.
Cooling System, Radiator & Water Pump Services
Cooling system issues can lead to major engine damage. We handle:
- Radiators
- Water pumps
- Thermostats
- Cooling fans
- Coolant leaks
- Complete cooling system fluid exchange
We help ensure your engine stays at the right temperature year-round.
Steering, Suspension, Shocks & Struts
Your comfort and safety depend on a healthy suspension system. We provide:
- Shock & strut replacement
- Power steering repairs
- Ball joints, control arms & bushings
- Vibrations and noise diagnostics
- Full front-end inspections
If your car feels bouncy, shaky, or unstable, we’ll restore a smooth, safe ride.
Engine Repair & Preventive Maintenance
We help extend the life of your vehicle with:
- Timing belts & serpentine belts
- Spark plugs & ignition repairs
- Oil leak repairs & gasket replacement
- Tune-ups
- Engine performance diagnostics
Our goal is long-term reliability, not quick fixes.
Transmission Service & Repair
Transmission issues worsen quickly, so early attention is key. We offer:
- Transmission fluid service
- Transmission diagnostics
- Drivetrain & differential service
- Clutch repair (where applicable)
If your car hesitates, slips, or shifts roughly, let us take a look.
Factory-Recommended Maintenance
Routine maintenance prevents expensive breakdowns and keeps your vehicle running smoothly. We provide:
- Oil changes
- Air & cabin filters
- Battery testing
- Tire rotation
- Fluid inspections
- Multi-point safety inspections
Let us help you stay ahead of problems before they become stressful and costly.
Why Drivers in Downey Trust Us
At Glenn’s Auto Service, you’re always treated with fairness and respect. We proudly serve the community with the kind of honesty and communication that takes the fear out of auto repair.
Our customers choose us because we offer:
- A 3-year / 36,000-mile nationwide warranty
- Free local shuttle service
- Loaner vehicles for major repairs
- Clear, honest estimates
- Friendly, knowledgeable technicians
- Transparent explanations—never upselling or pressure
We take the time to talk with you, walk through your options, and help you make informed decisions. That’s why so many families stay with us for years.
Customer Review
“Very friendly honest staff. reasonable prices and great work.” – Michelle C.
Reviews like this mean everything to us. They reflect the work ethic, communication, and care we bring to every repair.
Frequently Asked Questions & Answers
What services does Glenn’s Auto Service offer in Downey?
We provide full-service automotive care including brakes, A/C repair, diagnostics, oil services, suspension work, engine repair, and manufacturer-recommended maintenance for most 2000+ American & Japanese vehicles.
Do you have ASE-Certified auto mechanics?
Yes, every repair is performed by trained, ASE-Certified technicians who focus on accuracy, safety, and clear communication.
Do you diagnose check engine lights?
Absolutely. We use advanced equipment to identify the exact problem and explain the solution clearly.
Is there a warranty on repairs?
Yes, most repairs include a 3-year / 36,000-mile nationwide warranty for your peace of mind.
Schedule Your Auto Service Today
If you’re looking for a dependable auto mechanic in Downey who values honesty, communication, and long-lasting quality, Glenn’s Auto Service is here for you. Whether you need routine maintenance or a complex auto repair, our friendly team will walk you through every step so you feel confident and informed.
Schedule your visit to Glenn’s Auto Service today and drive with confidence.