Tag cooling system pressure tester

Use Guides

How to Use AUTOOL SC301 Conical Adapter Fittings

AUTOOL SC301 Conical Adapter Fittings illustrated tutorial cover

Select, seat and verify the three AUTOOL SC301 conical adapters for cooling-system pressure or vacuum work without forcing an unstable seal into a radiator or expansion-tank neck.

Neo
July 14, 2026

Equipment Comparisons

One Cooling-System Cart, Three Jobs: Pressure Test, Vacuum Hold, Refill

A technician using a cooling-system pressure tester and vacuum refill cart

Separate three related jobs—cold pressure testing, vacuum holding and vacuum refill—before choosing one kit or cart.

Neo
May 16, 2026