Take the opportunity to check play on the fan clutch bearing bracket while you are in there.

Also replace the little rubber coolant hose between pump + head although I am guessing you probably are.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k