OTC Tools OTC 6068 Ford Diesel Fan Clutch Wrench. Designed for use with OTC No. 7205E1 holding tool to remove fan clutch assembly. Has the same size opening as the OTC No. 7205E2 wrench, but has a special bend in the handle to provide clearance for accessories, found on some vehicles. Application: 1998-2002 Ford vans and pickups with 7.3L direct-injected turbocharged (DIT) diesel engine. Similar to Ford 303-591. .