Thread: W124 603 Slight pressure in Overflow tank question
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Old 07-08-2010, 04:34 PM
jonbobshinigin jonbobshinigin is offline
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Join Date: Sep 2009
Location: Ocala, FL
Posts: 539
What I heard is to check the top radiator hose for pressure while vehicle is cool and off. Make sure it is soft. Leave hood open and crank car up and see how longs it takes for the hose to pressurize. Apparently if it pressurizes in under 2 minutes, you have problems.
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