Honest-1 Auto Care Diamond Bar

Honest-1 Auto Care Diamond Bar Honest-1 Auto Care® is an Eco-Friendly Auto Care® chain that offers a full range of automotive ser

Honest-1 Auto Care offers premium features and benefits!
• Honest, Reliable, Quality Full-Service Auto Repair on All Makes & Models of Vehicles
• We offer a 3 Year/36,000 Mile Warranty
• Eco-Friendly Auto Care® - The Only ESA Compliant business in the area
• Service by ASE Certified Technicians
• Comfortable Lounge, Clean Restrooms, Free WiFi and Complimentary Beverages and Snacks
• Free Customer

Shuttle Service
• Our Open Service Commitment, which means we explain every step of the process before we start any work
• Free 12-Month Roadside Assistance on Services of $25

09/06/2026

Every pull, squeal, and shudder has a meaning. If you’re experiencing any of these, your car is definitely trying to tell you something.

You can run, but you can’t hide from the signs.
09/03/2026

You can run, but you can’t hide from the signs.

09/01/2026

Here's the thing about car repairs: they don't start big.
🚗 Worn brake pads? Ignore those squeaks long enough and you’ll be paying for pads AND rotors AND calipers.
💦 Low fluid? Run anything on old or no fluid for too long and you're adding on a full repair or replacement.
🛢️ Old oil? Skip it too long and metal starts grinding on metal… that's how an $80 fix turns into an $8,000 one.

08/28/2026

That was a close one 😅

08/26/2026

Ever notice how your favorite shoes wear down differently over time? Your tires do the same thing, leading to uneven tread wear, a shorter lifespan, and imperfect handling.

08/24/2026

If something feels off with your A/C, let us take a look—we'll help get you back to cool in no time.

08/21/2026

If you hear this sound you may need a wheel bearing replacement. Though seemingly small, this kind of imbalance can lead to expensive and unexpected breakdowns. We recommend replacing them in pairs since they share the same mileage.

08/19/2026

Are you playing ‘hide-and-seek’ from your oil change light? 👀

08/17/2026

NO BETTER FEELING! PS–if you’ve got a light on, make an appointment, and we’ll get you feeling like this guy.

Address

780 N. Diamond Bar Boulevard
Diamond Bar, CA
91765

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm
Saturday 7am - 4pm

Telephone

+19093969700

Website

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