My radiator overflow tank looks like chocolate milk...WHY?

Asked by GuruRGCZH Feb 19, 2020 at 05:51 AM about the 2002 GMC Sonoma SLS 2WD

Question type: Maintenance & Repair

2 Answers

F_O_R answered 4 years ago

Probably from transmission oil leaking into the coolant but it could be from a head gasket leak.

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