What Our Customers Say
Welcome to Castro Valley Union 76,
your car service in Castro Valley, CA!
If you’re looking for auto repair in Castro Valley, CA, you’ve found us. Here at Castro Valley Union 76 we work hard to earn your trust and loyalty. We know how important it is to find a Castro Valley car service you can rely on, so your satisfaction is our top priority each and every day.
Here at Castro Valley Union 76 we understand what makes customer service truly outstanding. You will feel the difference exceptional customer care makes when you work with us. We know auto repair in Castro Valley offers you lots of choices, and we aim to provide the kind of caring customer service that will bring you back.
Our professional automotive service offers you years of combined expertise from our well-trained technicians. We treat our auto repair professionals well because we value their skill and can-do attitude. We know our team sets us apart, saving you time and money, not to mention worry. When it comes to auto repair in Castro Valley, we are totally confident that Castro Valley Union 76 is the best option in town!
Address
Castro Valley Union 76
2445 Castro Valley Blvd
Castro Valley, CA 94546-5119
(510) 581-6700
Shop Hours
Mon-Fri: 7:30am-5:30pm
Saturday: 7:30am-2pm
Sunday: Closed
Directions
Payment Types
Affiliates & Certifications
About Castro Valley Union 76 Castro Valley, CA
Since 1984 Castro Valley Union 76 has been there for the people of Castro Valley, CA. We love what we do, and that basic fact fuels our business. We are dedicated to our customers, and that’s why they stick with us—the best auto repair Castro Valley has to offer.
Our family of technicians and service staff sees their work here at Castro Valley Union 76 as more than a job. It’s their vocation and livelihood. Each member of our team is invested in your satisfaction.
Castro Valley Union 76 was founded on the basic idea that everyone deserves respect. It is our mission to treat each person that comes through our door with dignity and sensitivity. We believe this attention to detail has paid off by providing us with our loyal, friendly family of customers. That’s what makes Castro Valley Union 76 the best car service in Castro Valley, CA!
Are you ready to experience the best Castro Valley, CA car service available? Please give us a call or make an appointment here.
The Absolute Best Car Service in Castro Valley, CA
What sets Castro Valley Union 76 apart from all of the others in Castro Valley, CA?
Trust: When it comes to auto repair in Castro Valley, it’s all about earning loyalty and trust by doing our very best every day. We are determined to earn and keep your trust.
Talent: At Castro Valley Union 76, you can rest easy knowing that our highly-skilled, experienced auto service professionals are handling your car. Our technicians bring years of experience, skill, and education to the Castro Valley auto repair table.
Time: We take the time we need to provide you with top quality car service in Castro Valley, and we take the time to talk to you about what that means. We listen to you so we understand your needs and goals for your auto repair.
Recently Serviced Vehicles
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2006 Saturn Ion Red Line
Mileage192,240Service Date2/27/2025Services Performed- Found customer battery to be completely dead, and battery would not take a charge even after charging for 4 hours. Replace battery and vehicle started after unflooding fuel injection system. Perform rest of repairs requested by customer.
- BATTERY – Remove & Replace – [Includes: Test.]
- Haz disposal fee
- Engine flush
- Change engine oil and filter with customer parts after using engine flush chemical.
- Flush cooling system, add fresh coolant and test drive the car.
- Run monitors for smog inspection
- DMV ID# 7549K600U382
- Includes installation of all four brake pads. Clean and lubricate caliper slide mechanisms. Clean and repack wheel bearing if required. Adjust parking brake.
- CLUTCH MASTER CYLINDER – Remove & Replace
- Mount and balance four new tires
- California disposal fee
- Federal disposal fee
- Remove clutch pedal and install clutch master cylinder rod properly in to the pedal assembly
BRIAN E. gave our service a 5 star review on 2/27/2025 -
2017 Audi Q7
Mileage60,878Service Date2/24/2025Services Performed- Smog inspection and certificate if passes
- Haz disposal fee
- Lubricate and check chassis. Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures. Preform basic safety inspection. Road test vehicle.
- AUTOMATIC TRANSMISSION FLUID – Drain & Refill – [Includes: Additional time for use of scan tool to perform this procedure.]
CAROL M. gave our service a 5 star review on 2/25/2025 -
2014 Jeep Cherokee
Mileage244,002Service Date2/21/2025Services Performed- HEADLAMP BULB AND FOG LIGHT BULB – Remove & Replace – w/Halogen Headlamps,Left Side for both bulbs
DARRELL B. gave our service a 5 star review on 2/21/2025 -
2020 Honda Accord
Mileage46,992Service Date2/19/2025Services Performed- Follow auto care safety inspection form provided by dealer
MAUREEN D. gave our service a 5 star review on 2/20/2025 -
2012 Dodge Avenger
Mileage179,591Service Date2/7/2025Services Performed- Found code P0442 for very small evap leak, code P0456 for evap leak, code P0198 for oil temp sensor circuit high voltage, code P0523 for oil pressure sensor circuit high voltage, code P0882 for TCM power input low, and code P083B for transmission pressure switch rationality. Found oil filter housing with cooler and oil temp and pressure sensors to be bad, recommend remove and replace oil filter housing for codes P0523 and P0198. Found transmission fluid low for codes P0882 and codes P083b. Recommend add 2 quarts of transmission fluid. Found leak detection pump and fuel cap bad for codes P0456 and P0442. Recommend replace leak detection pump, gas cap and road test for emission monitors.
- ENGINE OIL COOLER – Remove & Replace – V6 – [Includes: R&I Intake Manifold Gaskets.]
- Haz disposal fee
- Lubricate and check chassis. Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures. Preform basic safety inspection. Road test vehicle.
- NATURAL VACUUM LEAK DETECTION PUMP – Remove & Replace
- Smog inspection and certificate if passes
CYNTHIA P. gave our service a 5 star review on 2/8/2025 -
2016 Nissan Rogue
Mileage67,831Service Date2/6/2025Services Performed- Haz disposal fee
- Lubricate and check chassis. Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures. Preform basic safety inspection. Road test vehicle.
HELOISA S. gave our service a 5 star review on 2/6/2025 -
2005 Toyota Sienna
Mileage212,061Service Date2/5/2025Services Performed- Smog inspection and certificate if passes
- Haz disposal fee
- Lubricate and check chassis. Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures. Preform basic safety inspection. Road test vehicle.
- Remove and reinstall four wheels and rear brake drums to inspect brake condition. Inspect entire system for leaks. Lining remaining is: Front ( 80 %) Rear ( 70 %) Clean dust from rear brakes and road test the vehicle.
- Rotate tire from front to back, check brakes
ELIZABETH B. gave our service a 5 star review on 2/5/2025 -
2011 Ford Fiesta
Mileage135,757Service Date1/18/2025Services Performed- Found battery to be bad, only holding 200 out of 590 cca. Recommend remove battery and test. After replacement found code P0101 for mass air flow sensor circuit fault, and code P0123 for throttle position sensor circuit fault. Found long term fuel trim at 23 percent at idle after running for 2 minutes. Found oil separator to have vacuum leak causing code P0101. Also found throttle plate not to close all the way causing long term fuel trim to be high. Recommend remove and replace oil separator (crankcase vent valve), replace throttle body assembly, clear check engine light and road test. Long term fuel trim at 2% now at idle, within specs.
- BATTERY – Remove & Replace – [Includes: Test.]
- Haz disposal fee
- Lubricate and check chassis. Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures. Preform basic safety inspection. Road test vehicle.
- OIL SEPARATOR – Remove & Replace – [Includes: R&I Intake Manifold.]
- THROTTLE BODY ASSEMBLY – Remove & Replace
LANCE B. gave our service a 5 star review on 2/4/2025 -
2007 Nissan Maxima
Mileage63,786Service Date2/1/2025Services Performed- Haz disposal fee
- Lubricate and check chassis. Change oil and oil filter. Check air filter and breather filter. Check all fluid levels and tire pressures. Preform basic safety inspection. Road test vehicle.
- Install and program all four tpms sensors
PATRICIA H. gave our service a 5 star review on 2/1/2025 -
2015 Lexus RX 350
Mileage108,921Service Date1/31/2025Services Performed- Smog inspection and certificate if pass
ANITA D. gave our service a 5 star review on 1/31/2025 -
2017 Toyota Corolla
Mileage68,116Service Date1/24/2025Services Performed- Smog inspection and certificate if pass
NOLI V. gave our service a 5 star review on 1/25/2025 -
2006 Mercedes-Benz CLS500
Mileage211,599Service Date1/21/2025Services Performed- 1. Pressure check vehicle and found leak from radiator. Recommend remove and replace radiator, thermostat due to age, add coolant and re pressure check cooling system. 2. Found both batteries bad in the vehicle. Main battery in trunk 400 out of 760 cca and front battery for starter will not take a load test. Rear battery production is 06/2016 and front battery is 03/2014. Recommend remove and replace both batteries to get battery light off on dash. Customer has refused battery repair at this time.
- RADIATOR – Remove & Replace
- THERMOSTAT – Remove & Replace
ANNETTE T. gave our service a 5 star review on 1/22/2025
