What are the vacuum pump pulley torque specs?

Tiny
TILECRUNCHER
  • MEMBER
  • 1994 FORD F-350
  • 7.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 220,000 MILES
Does anyone know the torque specs on the vacuum pump pulley? I installed a reman pump and the pulley is chattering and my belt is squealing.
Friday, July 14th, 2023 AT 4:02 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,854 POSTS
Here are the torque specs they offer but by looking at the diagram the pulley looks pressed on.

Vacuum Pump to Bracket Bolts. 24-31 Nm (18-23 ft lb)
Low Vacuum Indicator Switch bracket screws. 8-11 Nm (6-8 ft lb)

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem so we can see what's going on.
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Saturday, July 15th, 2023 AT 11:16 AM

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