how do I add coolant

Asked by May 14, 2017 at 04:48 PM

Question type: Maintenance & Repair

91 s10 overheats constantly

2 Answers

257,685

to the radiator or expansion tank.

70,945

With the engine cold and off, fill the radiator to the very top then start the engine. If the coolant drops down top it off with the engine running. Replace the radiator cap and fill the plastic recovery tank about halfway or to the "full cold" line. HTH. -Jim

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