15+ Years of Repair Expertise • OEM or OEM-Equivalent Parts • Workmanship Warranty
Modern vehicles rely on complex mechanical, electrical & computer-controlled systems working together. When a warning light appears, performance changes, unusual noises develop, or drivability feels different, accurate diagnostics are critical to prevent further damage.
At ER Collision & Auto Body Shop, In addition to our collision repairs, our Huntington Beach team provides comprehensive mechanical repair services for cars, SUVs, and light trucks. We focus on proper inspection, manufacturer-recommended repair standards & long-term reliability — not guesswork or unnecessary part replacement.
Based in Huntington Beach, we proudly serve Costa Mesa, Fountain Valley, Newport Beach, Westminster & surrounding areas across Orange County.
Many vehicle issues are interconnected. A problem in one system can affect performance elsewhere, which is why our mechanical repair process always begins with accurate inspection and testing.
We use proper diagnostic procedures & manufacturer service information to identify the root cause before recommending repairs. We do not rely on code clearing or assumption-based fixes.
Whether your vehicle needs routine maintenance or advanced mechanical service, we provide clear explanations, honest recommendations, & quality workmanship.
Our team regularly services and repairs:
This system-level approach ensures your vehicle operates safely and efficiently as a whole.
If your engine is overheating, misfiring, losing power, or showing a warning light, we perform accurate diagnostics to identify the root cause — from minor repairs to more involved engine service.
If your brakes squeak, grind, feel soft, or require longer stopping distance, we inspect pads, rotors, calipers, hydraulics, and ABS components to restore safe braking performance.
If your AC blows warm air, has weak airflow, or produces unusual odors, we diagnose refrigerant levels, leaks, electrical faults, and HVAC components to restore comfort in all conditions.
Routine maintenance helps prevent costly mechanical failure. We perform oil changes using the correct oil type and inspect key systems to catch potential problems early.
Proper alignment improves tire life, steering stability, and overall safety. We align vehicles to manufacturer specifications and check related suspension components when needed.
We inspect tread depth, sidewalls, and overall tire condition, then recommend rotation, balancing, or replacement based on safety and driving needs.
If your vehicle is slow to start or shows electrical instability, we test the battery, alternator, starter, and charging system to ensure reliable starting and electrical performance.
From Check Engine lights to ABS and airbag warnings, we diagnose dashboard alerts properly and explain what is causing them before recommending repairs
Our mechanical repair process is built around transparency and accuracy:
You’ll always understand what is needed, why it is needed, and what it will cost before any work begins.
Our focus is accurate diagnosis, safe repairs, and long-term vehicle reliability.

A Huntington Beach customer brought in a Honda with rough idling, loss of power & a check engine light.
Our technicians performed a full diagnostic scan, identified failing ignition coils & worn spark plugs, replaced them with OEM Honda parts, & cleaned the throttle body.
The repair was completed same day, restored full engine performance & is backed by our mechanical repair warranty.







Yes. We perform everything from oil changes and brake service to advanced diagnostics and complex mechanical repairs.
Absolutely. Many customers visit us specifically for mechanical repair and ongoing vehicle maintenance.
When safety, reliability, or longevity require OEM components, we use them. When appropriate alternatives are available, we explain the options clearly.
Yes. Many mechanical repairs include workmanship coverage for added peace of mind.
We proudly serve Huntington Beach, Costa Mesa, Fountain Valley, Newport Beach, Irvine, Westminster, and surrounding Orange County communities
Expert insights to help you understand your vehicle’s health and repair needs.