HELLO I JUST FINISHED REBUILDING MY 1991 CHEVY ...

  • Tiny
  • Pilotbill
  • 1991 Chevrolet Lumina
  • 291,868 miles

Hello, I just finished rebuilding my 1991 Chevy Lumina motor. The car runs great, I have already put about 250 miles on it. I need a vacuum hose rounting diegram for my cars' engine (3.1 Liter V6 Motor). The car's heater, A/C, Cruise Control worked fine before the car broke down. My repair manual said that the Cruise Control and the Heater & A/C Control Assembly are CONTROLLED by vacuum. My guess is that I must of not hooked up a vacuum line right. Can you PLEASE help me with this problem? Need a Vacuum Hose Rounting Diegram. Thank You.

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Thursday, December 13th, 2012 AT 10:19 AM

2 Replies

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,556 posts

There is a hose that comes from the firewall that goes to a vacuum outlet by the alternator on the upper intake. It faces the back of the motor behind the power steering pump.

Roy

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Thursday, December 13th, 2012 AT 10:35 AM
  • Tiny
  • Wrenchtech
  • Expert
  • 20,258 posts

http://i1198.photobucket.com/albums/aa448/Wrenchtech/41888664.gif

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Thursday, December 13th, 2012 AT 10:56 AM

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