Ford F150 Pickup. Instruction - part 1016

Fig. 10: Identifying V-Ribbed Serpentine Drive Belt With Chunks Of Rib Missing 
Courtesy of FORD MOTOR CO. 

SYMPTOM CHART 

 

2003 Ford Pickup F150 

2003 ENGINE Accessory Drive - F150 Pickup

  

Fig. 11: Accessory Drive Trouble Symptom Chart 
Courtesy of FORD MOTOR CO. 

COMPONENT TESTS 

Belt Tensioner 

NOTE:

Tensioners are shown in free-state position against arm travel stops.

 

2003 Ford Pickup F150 

2003 ENGINE Accessory Drive - F150 Pickup

  

Fig. 12: Identifying 4.6L & 5.4L Drive Belt Tensioner/Belt Length Indicator With A/C 
Courtesy of FORD MOTOR CO. 

 

2003 Ford Pickup F150 

2003 ENGINE Accessory Drive - F150 Pickup

  

Fig. 13: Identifying 4.6L & 5.4L Belt, Drive Tensioner/Belt Length Indicator Without A/C 
Courtesy of FORD MOTOR CO. 

Automatic tensioners are calibrated at the factory to provide the correct amount of tension to the belt. Unless a 

 

2003 Ford Pickup F150 

2003 ENGINE Accessory Drive - F150 Pickup