that "mechanic" is pretty much a HACK.. never use air tool on pullers. damage to that type of Roll threads will damage the puller. also the installation of the bearing & flange are critical OR the new bearing will be damaged.."brindled"

Does show "how" but care is not a priority to that guy.

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MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
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