Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 191Get this manual

Mercury Mariner 8/9.9HP 4-Stroke Factory Service Manual, Page 191

4Remove guide from cover5Replace rubber seal if damaged6Replace cover if inside is grooved 9Replace seal if damaged10Remove water pump base and shift shaft from housingc a

53032GuideSealSealPump BaseShift Shaft

7Remove plate, gasket, quad-ring, bolt and washer8Replace plate if grooved