Oil & Lube Services

Castrol Edge - Rainbow Car Care

At Rainbow Express Oil & Lube, we provide a wide range of preventive maintenance services following your manufacturer’s guidelines. Additionally, we keep a computerized record of all services performed for warranty purposes.

To show our appreciation for your patronage, we offer a Free Car Wash with Full Service Oil Change*. In addition, we are happy to check and adjust your tire pressure and fluid levels* between your scheduled oil changes to ensure your car is running smoothly and safely.

*(some restrictions apply – please call or see store for details)

Each vehicle manufacturer recommends certain services at specific intervals to help keep your vehicle performing at peak levels and to maintain warranty coverage. Please consult your owner’s manual for specific manufacturer recommendations.

All Oil Changes utilizing bottled oil will incur an additional charge. Please ask us for details.


(starting at)

  • FREE Full Service Car Wash
  • Up to 5 quarts of conventional bulk oil
  • Replace oil filter
  • Lubricate the chassis (when applicable)
  • Includes 19 Point Top Off and Preventive Maintenance Check List

Castrol - Rainbow Car CareValvoline - Rainbow Car Care
Ask us about the incredible warranties offered by Castrol and Valvoline Professional Series.


We use the following bulk oil:

  • Castrol GTX 5W20
  • Castrol GTX 5W30

Add $5.99 per quart after 5 quarts.

For Conventional Bottled Oil instead of bulk oil, add $5.00 for up to 5 quarts, plus $6.99 for each additional quart.

For Diesel Oil, add $6.49 (and up) per quart after 5 quarts.

We carry a variety of Conventional, Synthetic Blend, High Mileage and Full Synthetic Oils for your Convenience.


(starting at)

  • Everything from the Full Service Oil Change
  • Use base full synthetic or high mileage oil instead of conventional oil
  • Add $8.49 per quart after 5 quarts

(starting at)

  • Everything from the Full Service Oil Change
  • Use select select full synthetic oil instead of conventional oil
  • Add $9.99 per quart after 5 quarts

(starting at)

  • Everything from the Full Service Oil Change
  • Utilize Castrol EDGE Extended Performance Full Synthetic Oil
  • Castrol EDGE with Titanium exceeds the world’s toughest industry-agreed standards
  • Includes Extended Performance Oil Filter
  • Add $11.49 per quart after 5 quarts
VALVOLINE Professional Series® Power Steering Service

Buildup in old fluid can cause stiff steering, squealing, fluid leaks and eventual system failure.

  • Helps to achieve optimal steering performance by cleaning away damaging deposits with specially formulated detergents
  • Replace old fluid with a premium full synthetic power steering fluid
  • Required Service interval to maintain Warranty: 30,000 miles
VALVOLINE Professional Series® Fuel System Service

New EasyGDI™, a first-of-its kind professional treatment that can help remove hard-to-reach carbon deposits and restore your GDI fuel system performance in just over an hour.

  • Greatly Improves Fuel Injector Flow
  • Helps Restore Fuel Economy, Emissions & Power
  • Works to Eliminate Rough idle, Hesitations and Knocking
  • Required Service interval to maintain Warranty: 15,000 miles

Prices Vary. Please click on this link for details.
Official Vehicle Inspection Station - Rainbow Car Care


All services includes a Limited Lifetime Guarantee from Valvoline of up to $4,000.00. Go to valvolineserviceplus.com for details.
Valvoline - Rainbow Car Care

Engine Cleaning Service  
– Oil System Cleaner (2 oil filter process$79.9530,000
– Top Treat Oil System Cleaner$19.9515,000
– Engine Additive$14.955,000
Fuel System Services  
– New EasyGDI™ Complete Fuel System Service$99.9515,000
– Complete Fuel System Treatment$19.9515,000
– Diesel Fuel Treatment$19.9515,000
– Super Concentrated Fuel Injector Cleaner$14.955,000
Transmission and Gear Box Services
(most services utilize synthetic fluids)
– Complete Automatic Transmission Flush$129.9530,000
– Automatic transmission Drain and Fill$79.9530,000
– Manual Transmission Drain and Fill$49.9530,000
– Automatic Transmission Additive$19.9515,000
– Transfer Case/Transaxles$49.9530,000
– Differential/Gear Box Service$49.9530,000
Cooling System Services  
– Complete Cooling System Flush$79.95
& up
– Cooling System Additive$19.9515,000
– Power Steering Service$79.9530,000
– Battery Terminal Service$14.95n/a
  • Extended Performance Oil Filter starts at $15.99
  • Air Filter Replacement starts at $9.99
  • Cabin Air Filter Replacement starts at $19.99
  • Fuel Filter Replacement starts at $34.95
  • Rain-X® Wiper Blades (each) starts at $9.99
  • Halogen Head Lights starts at $19.99
  • Drain Pan Plug and Gasket Replacement starts at $7.99
  • Light Bulb Replacement starts at $4.99

* All Prices Do Not Include Environmental Fee or Tax (on parts only).
* Skid Plates And Specialty Oil Filters Subject To Additional Charge.
* All Prices include Labor.
* In Accordance with the State Inspection Act from the Texas Department of Public Safety, the Statutory Fee for Inspection Must be Charged Whether the Vehicle Presented for Inspection Passes or Fails.
* Prices are subject to change without notice.

Every effort has been made to ensure the accuracy of the prices and description of the services contained in this website. However, in the event of discrepancies, in-store information will take precedence.

Rainbow Car Care is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call Rainbow Car Care (281) 363-0021 if you have any issues in accessing any area of our website.
318 Sawdust Rd, The Woodlands, TX 77380 (281) 363-0021