Daily Archives: June 2, 2011

Soap bubbles and leak detection


There’s nothing cheaper or more benign than soap bubbles for finding a leak. As a technician with a 1999 Pontiac Bonneville complained, he tried trace dye and two different electronic leak detectors with no luck, despite the fact that the system was gushing between a half-pound and a pound overnight. But when he swabbed the compressor nose with soap solution, presto, it bubbled. His conclusion: back to basics does it. Continue reading

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