Call (760) 757-9615


Services 2021-02-23T21:05:12+00:00

If you are concerned about anything regarding your car, Cornerstone Automotive is the place to be. We proudly offer thorough automotive repairs and services. Our ASE Certified Technicians are well-versed in any situation regarding your car. Each mechanic is experienced with working with all makes and models of all manufacturers. Let us comfort and advise you through the stressful situation!

Take a step inside, so we can walk you through any repair or service your car may need. From major auto repairs to factory recommended services, we are here to help! When your vehicle stresses you out, you can find confidence in Cornerstone Automotive. Our center is dedicated to taking care of your entire family. Cornerstone Automotive has over 30 years of experience in the automotive industry. Ask your friends about us, our loyal family has been with us for over a decade! We want to build off our own integrity to gain YOUR trust with us.

For example, read this review from Trang:

“Honest, Reliable & Fast service at Fair Prices! I’ve been taking my vehicles to Cornerstone Automotive for over 12 years for oil changes, routine maintenance to brake & radiator replacements, etc… his team are experienced professionals. They operate their business with integrity & I never feel like I am being upsold on unnecessary services. I would highly recommend Cornerstone Automotive looking for anyone looking for dependable mechanics. Five Stars!”

When you bring your vehicle in, you’ll receive the highest quality of service at fair prices. Our services and repairs are backed by our 24 months/24,000 mile National Warranty. Also, we offer FREE Towing Service, FREE Loaner Cars & Shuttle Rides, FREE Estimates & Consultations, and FREE Safety & Preliminary Inspections.

3965 Mission Ave Suite 7 is equipped with the latest, State-of-the-Art Computer Diagnostic Equipment to accurately diagnose any vehicle. We will provide you with a full estimate of our recommendations before we complete any work on your car and discuss which services are necessary for safety on the road. Give yourself the feeling of security and peace of mind in your car.

At your earliest convenience, give us a call at (760) 757-9615 to answer any concerns over the phone. Feel free to make an in-person appointment and drop off your vehicle at 3965 Mission Ave Suite 7, Oceanside, CA, 92058. Additionally, you can schedule an appointment online and we will reach out to you to confirm.

Oceanside Car Enthusiasts, we cannot wait to hear from you! Our goal is to restore your car back to peak performance and introduce you to our family! From the entire team at Cornerstone Automotive, we look forward to meeting you and your family!


A/C Repair

Evap Core, A/C Manifold Lines, Schrader Valves, Compressor and Coil, Blend Door Actuators, and AC Service (Evacuate, Vacuum Test, Recharge)

Cooling System Repairs

Water Pump, Radiator, Expansion Tank Reservoir, Auxiliary Fan/Fan Shroud and Thermostat Housing

Belts & Hoses

Timing Belts, Serpentine/Drivebelts, Superchargers, Cooling/Heating Hoses, Brake Hoses, Breather Hoses, Evap Hoses and Air Intake Hoses

Block Test & Compression Tests

Engine Replacements or Rebuild Engine (if the extent of damages allow)

Pistons, Rebore Block, Machine Heads, All gaskets needed, all fluids needed, crankshaft and camshaft bearings and valves, new bolt set, timing, thermostat and spark plugs

Collision Repair

Bumpers/Fenders/Rocker Moldings/Doors/Hood/Trunk/Qtr. Panels/Windshields – Sand, Prime, Paint, and Seal

Transmission Replacement or Rebuild Transmission (if possible)

Timing Components Repairs

Sprockets, Guides, Tensioner, Belt/Chain

Fluid Service

Transmission Service or Drain and Refill Transmission Fluid, Antifreeze/Coolant Flush, Bleed ABS/Brake Fluid, Differential Gear Fluid, Diesel Fluids, Washer Fluid, Motor Oil, and Freon

Tune Up

Tuning, Spark/Glow Plugs, Distributor, Fuel Injectors, Ignition Wires and Ignition Coils/Pack, carburetors, throttle body,

Electrical Malfunctions

Faulty Wiring, Dash Lights not working, Navigation Repairs, Engine Harness

LockSmith Repairs

New Cut and Programmed Keys, Unlock doors that have a lock actuator permanently engaged


Mount and Balance, Recycle Used/Old Tires, Custom Rim or Wheel installation, Tire Rotation. No used tires

Machine Work

Resurface (not brake rotors), Valve Seals, Camshaft/Crankshaft Bearings/Gears, Polish and Machine Engine Blocks

Brake Repairs

Single or double piston Calipers, Wheel Cylinders, Brake Conversion Kits (From drum and shoes to rotors and pads) Lines, E-Brake/Parking Brake shoes or Pedal Assembly, Drums and Shoes, Rotors and Pads – Performance as requested (vented rotors, noise-canceling pads, Heavy Duty [i.e RV, Motorhome, Commercial Vans…etc.]) and Hub Assemblies


Shocks/Struts, Coil Springs, Air Springs, Suspension control module, Leaf Springs, Lowering or lift kits, and control arms


Steering Columns, Tie Rod Ends – Inner and Outer, Steering Racks, Power steering lines/Pump, CV Axle Shafts, Differential/4WD Actuators, Wheel Bearings, and Alignment – 4 wheel or 2 wheel


Cylinder Head Gaskets, Valve Cover Gaskets, Intake manifold gaskets, exhaust manifold/exhaust headers gaskets, CAT gaskets, Oil pan/Transmission pan drain plugs and washers, Oil pan gasket, Valley pan gasket, Oil filter housing gasket, Crankshaft seals – Front and Rear, Turbocharger mounting gaskets, Timing Cover gaskets and O-Rings


Install headers, repair/weld exhaust pipes, new or overall current exhaust system/tailpipe, Catalytic Converter replacement, O2 Sensors/Air to Fuel Ratio Sensors, Set monitors


Fuel Rail, Fuel Injectors, Fuel Lines, Fuel Filler Neck and hoses, Fuel Tank, Fuel Pump (Add Diesel Parts, ex. Diesel Fuel Pump)

Charging System

Battery, Alternator, Positive/Negative Battery Cables or Harness if needed, Starter, and Ignition Cylinder (refer to a locksmith) – Custom push to start or Key FOB push to start


Windows (glass and motor and regulator assemblies), Door Locks – handles, actuators and window power switch, Leather/Polyester/Wool restoration, Custom Steering wheels, custom seats, Seat motor assemblies, seat adjuster actuator, and custom gauges and dashboard customization, seat belt adjustments/tensioner, seat belt buckle replacement, permanent toddler/infant/child seating installation

Cornerstone Automotive

Don’t see your vehicle’s issue here? Don’t worry. Our experienced technicians can handle your vehicle’s problem(s). Contact us via phone, email or in person for more information about the auto service you are looking for. Contact us today!