What are the signs that I need major engine or transmission repair?

Common signs include clunking noises, slipping gears, loss of power, warning lights, fluid leaks, or a vehicle that won't start. If you notice any of these, schedule a diagnostic right away.

How does Big Q ensure transparency on major repairs?

We send you photos and videos documenting all findings and explaining every recommendation. No repair begins until you fully understand and approve the work.

Is my engine or transmission repair covered by a warranty?

Yes. All major engine and transmission repairs are backed by our nationwide warranty, including free towing within 3 miles. Ask for the current terms at your visit.

Do you service both imports and domestic vehicles?

Absolutely. We handle major repairs for Mercedes, BMW, Chevy, Acura, and most domestic and import models. Diesel and small motorhome repairs are also available.

Can I get an estimate before committing to repairs?

Yes. After our diagnostic, you’ll receive a detailed estimate with full cost breakdowns, so you can make an informed decision without pressure.

How long does a typical major engine or transmission repair take?

Most major repairs are completed within 3–7 business days, depending on parts availability and the complexity of the job. We’ll keep you updated every step of the way.

Engine, Transmission, & Major Repair

Major engine or transmission failure demands experience and precision. At Big Q Auto Repair, we specialize in restoring powertrain performance for drivers across Santa Monica and Signal Hill. Whether you’re facing a failed timing chain, slipping transmission, overheating engine, or internal component damage, our team provides thorough diagnostics and clear documentation. Every inspection includes high-resolution photos and video so you understand exactly what’s happening before approving repairs. We service domestic, European, diesel, and small motorhome vehicles using proven procedures and quality components. Each major repair is backed by a nationwide warranty for lasting confidence.

Engine and transmission repairs are significant investments, and accuracy matters. Our technicians use advanced diagnostic equipment and structured inspection protocols to identify root causes—not just symptoms. We document findings digitally and explain the risks, options, and costs before moving forward. No work begins without your approval. Whether your vehicle requires a targeted internal repair, full rebuild, or complete replacement, we focus on cost-effective, long-term solutions. Every service includes a safety review and fluid integration check to protect surrounding systems. Open seven days a week, we minimize downtime while protecting your vehicle and your budget.

Our major repair process begins with a complete digital diagnostic and consultation. We evaluate performance symptoms such as shifting issues, power loss, overheating, warning lights, or abnormal noises. If teardown is required, we document internal wear, contamination, and failed components with detailed visuals, which are sent directly to you. You receive a transparent estimate outlining parts, labor, and optional upgrades—clearly separating urgent repairs from future recommendations. Throughout the job, we provide updates and verify all work through testing and road validation. Before delivery, we review the repair, warranty coverage, and preventative maintenance steps with you.

At Big Q Auto Repair, integrity drives every major engine and transmission repair. We understand the concern that comes with high-dollar repairs, which is why education and accountability are central to our process. We show you what failed, explain why it happened, and outline how to prevent it from happening again. Our team never recommends unnecessary work and stands behind every repair with a nationwide warranty. If something isn’t right, we fix it—period. With Sunday availability and two convenient locations, we make major repairs manageable while building long-term relationships rooted in trust and transparency.

What are the signs that I need major engine or transmission repair?
Common signs include clunking noises, slipping gears, loss of power, warning lights, fluid leaks, or a vehicle that won't start. If you notice any of these, schedule a diagnostic right away.
How does Big Q ensure transparency on major repairs?
We send you photos and videos documenting all findings and explaining every recommendation. No repair begins until you fully understand and approve the work.
Is my engine or transmission repair covered by a warranty?
Yes. All major engine and transmission repairs are backed by our nationwide warranty, including free towing within 3 miles. Ask for the current terms at your visit.
Do you service both imports and domestic vehicles?
Absolutely. We handle major repairs for Mercedes, BMW, Chevy, Acura, and most domestic and import models. Diesel and small motorhome repairs are also available.
Can I get an estimate before committing to repairs?
Yes. After our diagnostic, you’ll receive a detailed estimate with full cost breakdowns, so you can make an informed decision without pressure.
How long does a typical major engine or transmission repair take?
Most major repairs are completed within 3–7 business days, depending on parts availability and the complexity of the job. We’ll keep you updated every step of the way.