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1983 Cadillac Deville I need help

Tiny
ROSSO987
  • MEMBER
  • 1983 CADILLAC DEVILLE
  • 4.1L
  • V8
  • RWD
  • AUTOMATIC
  • 86,500 MILES
Good evening, I need help solving a problem with my car, I noticed that the control of cruiser speed does not work, either the air conditioning, not the parking brake as I release it manually, I actually run the self-diagnosis but does not indicate any failure in these functions. Wanted to know if whether these failures have any relationship with the vacuum pump because my car is not working and must be replaced. The vacuum pump is required for the above functions?
Thanks
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Sunday, May 31st, 2015 AT 11:57 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Yes a vacuum pump would be required to these systems as the a/c and cruise all run off of vacuum and electric
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Monday, June 1st, 2015 AT 6:44 AM
Tiny
ROSSO987
  • MEMBER
  • 5 POSTS
I understand, I change the vacuum pump with a new one, and it should work again. Many thanks for the help
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Monday, June 1st, 2015 AT 8:20 PM

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