vaccum diagrams?

1992 CADILLAC DEVILLE
105 MILES
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DOMINICKLUVERO
  • MEMBER
  • 2 POSTS
is there anyway i can get a diagram of the vaccum hoses in the 1992 cadillac 4.9L? i believe i have a leak and have found some other hoses that needed replacement i want to make sure i check them all. car is idling rough and has a slight hesitation.thank you very much
Apr 11, 2012 at 5:29 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
here you go, make sue that the cannister purge valve isn't open at idle, it would have vacuum at both connections. that can be a big cause of your problem.
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Apr 11, 2012 at 7:22 AM
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