Universal Radiator Pressure Tester & Vacuum Cooling Kit - Compact

In this review the Astro Tools 78585 Universal Radiator Pressure Tester & Vacuum Type Cooling System Kit is evaluated for backyard mechanics and professional techs who need a single kit to test cooling system leaks and perform coolant changes. The bottom line: it is a practical, well-built toolset that combines reliable pressure testing with a capable vacuum purge and refill function, making it a strong all-in-one option for servicing both domestic and import vehicles.

Key Features

• Universal fit: The kit is suitable for domestic and import vehicles, so one set handles most cars and light trucks without hunting for separate tools.
• Vacuum purge and refill: The special vacuum connection lets you evacuate and refill cooling systems cleanly, reducing air pockets and speeding the coolant change process.
• Wide radiator compatibility: The vacuum purge and refill tool connection is designed to fit nearly all types of radiator openings, providing a secure seal on varied necks.
• Color-coded caps: Color coded radiator test caps make choosing the suitable cap fast and reduce trial-and-error during testing.
• Blow molded case: The sturdy blow molded case keeps adapters and gauges organized and protected for shop or mobile use.

Who It's For

This kit is aimed at independent mechanics, fleet technicians, and confident DIYers who routinely diagnose cooling systems or perform coolant service. Its combination of pressure testing and vacuum refill makes it useful when you need to confirm a leak and then perform a clean coolant change without introducing air into the system.

Those who should look elsewhere are users who need a factory-specific adapter set for uncommon heavy equipment radiator necks or large commercial vehicles outside the kit's implied coverage. Also, if a renter only needs a single test cap for one vehicle, a smaller dedicated tester may be more convenient.

Pros & Cons

Pros

• Sturdy build and tool quality make it durable for regular shop use.
• The vacuum capacity pulls a strong vacuum, aiding thorough coolant evacuation and reducing trapped air.
• Comprehensive adapters and color-coded caps simplify matching radiator openings quickly.

Cons

• Includes many adapters which can be overwhelming to sort through at first when matching obscure necks.

Specifications

Our Verdict

The Astro Tools 78585 kit is a practical, cost-effective choice for anyone who needs a single solution for cooling system leak diagnosis and coolant changes. Its solid construction, effective vacuum pull, and universal-cap approach make it good value for small shops and serious DIYers who service a range of domestic and import vehicles.

Frequently Asked Questions

Can this kit test most cars?
Yes, the kit is designed for domestic and import vehicles and includes multiple test caps to cover most radiator necks.

Does the vacuum function remove air effectively?
Customers report the vacuum capacity pulls a strong vacuum, which helps evacuate air and improves refill quality.

Is the kit easy to store and transport?
Yes, the blow molded case keeps the gauge and adapters organized and protected for shop or mobile use.