Ray's Auto Service

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Ray's Auto Service Our goal is to ensure the complete satisfaction of every customer, while offering knowledgeable and Welcome to Ray's Auto Service.

We guarantee our work, covered by a nationwide warranty through Confidence Plus. ASE Certified Master Technicians. Services: Foreign and Domestic
Scheduled Maintenance
• Tune-Ups
• Oil Changes
• Coolant System Service
• Transmission Service
• Timing Belts / Chains
• Belts, Hoses, Filters
• Tire Inspections
-Rotation & Balancing

Brakes:
• Pad & Shoe Inspection & Replacement
• In-House Rotor & Drum Resurfacing
• ABS Systems
• Hydraulic Systems
• Brake Fluid & System Flush

Air Conditioning Services:
• Check & Recharge Air Conditioning System
• Leak Detection
• Cabin Filter Replacement
• A/C Compressor / Condenser Repairs
• System Conversion To New Refrigerant
• A/C Hoses Replaced

Smog Check / Emissions Systems
• Smog Check Station
• Testing & Repairs
• Pre-Inspection Available
• “Check Engine” Diagnostics & Repair
• RVs, Medium – Duty Trucks (Gas Engine)

Engine Diagnostics & Repair

“Check Engine” Diagnostics & Repair
• Driveability Diagnostics & Repair
• Check “No-Start” Conditions & Repair
• Scheduled Tune-Ups & Maintenance
• Scheduled Timing Belt / Chain Replacement
• Engine Rebuilds & Valve Jobs
• Head Gasket Repairs
• Overheat Diagnostic & Repairs
• Cooling System Service & Repair
• Fuel-Injection Diagnostic & Service
• Motor Mounts
• Water Pumps

Electrical System Diagnostic & Repair
• Alternators, Starters, Ignition Coils
• Wires
• Battery Check

Chassis & Suspension
• Replace Shocks & Struts
• Replace Ball Joints & Bushings
• Replace Power Steering, Rack
& Pinion Systems
• Chassis L**e
• Tire Balancing

Transmission – Drivetrain
• Drivetrain “Noise” Diagnostics
• CV Axles Service & Repair
• Wheel Hub Bearings, Service & Replace
• Clutch Adjustments & Repairs
• V-Joints & Driveline Replacements
• Differential Service
• Transmission Fluid Change & Service
• Seals, Gaskets Replaced
• Transmission Mounts
Fleet Maintenance Program

We offer some of the FINEST fleet maintenance programs available!

• Full Service, All Repair & Diagnostics
• Net / Invoice Billing
• Saturday Appointments & Repair Available
• Free Pick-Up At Your Location (10 Mile Radius)
• Roadside Assistance
• Emergency Towing Service Available (To Our Shop)

A common misconception about air conditioning systems is that they simply blow cold air. In reality, a vehicle's A/C sys...
10/12/2026

A common misconception about air conditioning systems is that they simply blow cold air. In reality, a vehicle's A/C system works by cycling refrigerant through a compressor, condenser, and evaporator - removing heat from the cabin air rather than generating cold air. When cooling performance drops, it is often a refrigerant or component issue rather than a filter problem.

What actually happens during an oil change? The process involves draining the old engine oil, replacing the oil filter, ...
10/10/2026

What actually happens during an oil change? The process involves draining the old engine oil, replacing the oil filter, and refilling the engine with fresh oil that meets the manufacturer's specification. Technicians also typically perform a visual inspection of surrounding components - belts, hoses, and fluid levels - as part of the same visit.

Colton has been home to Ray's Auto Service for over 30 years. The shop sits along East Valley Boulevard, a stretch of ro...
10/09/2026

Colton has been home to Ray's Auto Service for over 30 years. The shop sits along East Valley Boulevard, a stretch of road that connects several Inland Empire communities. Serving neighbors from Rialto to Riverside, the shop has become a familiar stop for families who prefer a local, community-rooted alternative to franchise service centers.

Behind the counter at Ray's Auto Service, every service request starts with a conversation. Technicians take time to und...
10/08/2026

Behind the counter at Ray's Auto Service, every service request starts with a conversation. Technicians take time to understand what the customer has noticed - unusual sounds, dashboard lights, or changes in how the vehicle handles - before any inspection begins. That first exchange shapes the entire diagnostic process.

Steering and suspension systems are engineered to absorb thousands of small impacts over a vehicle's lifetime. Potholes,...
10/07/2026

Steering and suspension systems are engineered to absorb thousands of small impacts over a vehicle's lifetime. Potholes, speed bumps, and uneven pavement all contribute to gradual wear on components like shocks, struts, and tie rods. When a car starts pulling to one side or the ride feels rougher than usual, the suspension system is often the first area worth examining.

Tire pressure is one of the most overlooked aspects of vehicle maintenance. For every 10-degree drop in ambient temperat...
10/05/2026

Tire pressure is one of the most overlooked aspects of vehicle maintenance. For every 10-degree drop in ambient temperature, tires typically lose about one PSI of pressure. As fall settles into the Inland Empire and mornings get cooler, checking your tire pressure regularly becomes a simple habit that pays off in handling and fuel efficiency.

Many drivers assume their brakes only need attention when they hear squealing, but brake wear is often a silent process....
10/02/2026

Many drivers assume their brakes only need attention when they hear squealing, but brake wear is often a silent process. Brake pads can wear down gradually without any obvious noise until friction metal contacts the rotor. Regular visual inspections and routine maintenance checks are the most reliable way to stay informed about brake condition.

Fall is here, and cooler temperatures across the Inland Empire bring a fresh set of demands on your vehicle. From tire p...
10/01/2026

Fall is here, and cooler temperatures across the Inland Empire bring a fresh set of demands on your vehicle. From tire pressure shifts to cooling system changes, autumn is one of the best times to give your car a thorough look-over. Staying ahead of seasonal changes keeps you safe and your ride running smoothly all the way through winter.

Drivetrain service covers the components that actually transfer power from the engine to the wheels - including the axle...
09/30/2026

Drivetrain service covers the components that actually transfer power from the engine to the wheels - including the axles, driveshafts, differentials, and CV joints. Each of these parts operates under significant stress during normal driving, and the fluid and seals that protect them have service intervals just like engine oil. Understanding what the drivetrain does makes it easier to appreciate why its maintenance matters.

Cabin air filters are one of the most commonly overlooked items during routine maintenance. These filters capture dust, ...
09/29/2026

Cabin air filters are one of the most commonly overlooked items during routine maintenance. These filters capture dust, pollen, and particulates before they enter the vehicle is interior ventilation system. In areas with high dust levels or seasonal pollen - common across the Inland Empire - replacing a clogged cabin filter noticeably improves airflow through the vents.

Address

523 E Valley Boulevard
Colton, CA
92324

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 2pm

Telephone

(909) 370-3578

Website

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