Weak pump will flow the coolant slower making the car run hotter decreasinghorsepower. it's a good idea to replace your old weak pump with a new unit. New Bosch / Ford intercooling system pump.
New supercharger pulley bridge bracket / tensioner 1999-04 SVT F150 Lightning
MP supercharger pulley bridge bracket with tensioner 1999-04 SVT F150 Lightning
Stock replacement supercharger pulley bridge bracket 1999-04 SVT F150 Lightning
New supercharger pulley bracket / tensioner VMP 1999-04 SVT F150 Lightning
1999-2004 Ford SVT F150 Lightning OEM Supercharger Bolts Full Set Of 8
2001-2004 Ford SVT Lightning Midplate 02 03 Harley F150 Mid Plate SVT F150 OEM