Operation CHARM: Car repair manuals for everyone.

Cooling System: Tools and Equipment



Conventional tool





Antifreeze tester
Prestone VU-Check (Union Carbide)
e.g. Philipp Gather, D-4020 Mettmann 2

Self-fabricated tool







a Locating groove

Coupling (1), part No.002 545 49 28
approx. 1 m cable 1.5 mm2 black (b) +
approx. 1 m cable 1.5 mm2 brown (c)-
cable terminal +
1 cable terminal -


Special tools