FORD F-150 1999 WORKSHOP MANUAL Pdf.. WebPage 29 1999 F-150/250 Workshop Manual Page 29 of 30 follows: Inspect for evidence of coolant leakage at the heater water hose to heater core attachments. A coolant leak in the heater water hose could follow the.

Web  295K views 7 years ago. this video goes over how to replace a leaking heater core line on your late model 90’s early 2000’s Ford F150. The leak in this case was.