Toyota 3.4L harmonic damper pulley holding tool SP Tools' Toyota 3.4L harmonic damper pulley holding tool, No. 64400, has a unique two-pin design that holds the harmonic damper pulley on Toyota 3.4 liter V6 engines for crank bolt removal and repair. This tool allows factory torque to be attained to seat the pulley properly. Works with 4-Runners 1996-2002, T100 pickups 1996-1998, Tacoma pickups 1996-2004 and Tundra pickups 2000-2004.