Vacuum leak

Tiny
SECURITYBILL
  • MEMBER
  • 1997 CADILLAC SEVILLE
  • V8
  • RWD
  • AUTOMATIC
  • 110,000 MILES
I have the car listed above, I could really use a climate control cabin vacuum diagram with replacement part number for upper and lower actuator motors. The dealer and Alldata do not have the correct information.
Wednesday, May 24th, 2017 AT 9:41 AM

5 Replies

Tiny
STEVE W.
  • MECHANIC
  • 13,465 POSTS
Single zone or dual zone system? There are about twelve diagrams for the various systems so narrowing it down might help get the correct one.
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Wednesday, May 24th, 2017 AT 10:00 AM
Tiny
SECURITYBILL
  • MEMBER
  • 3 POSTS
Dual zone, I have found AcDelco 1573289 as the "lower actuator" at Rock Auto so I assume there is an "upper actuator" as well. Thanks for your immediate assistance, you have no idea how appreciative I am. I have been trying to find out this information from the dealer I bought the car from, but they have little interest or no information. I cannot tell which.
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Wednesday, May 24th, 2017 AT 10:06 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,465 POSTS
Okay, here are the diagrams that should match your car.
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Wednesday, May 24th, 2017 AT 5:57 PM
Tiny
SECURITYBILL
  • MEMBER
  • 3 POSTS
Steve, I can't tell you how many hours I spent trying to find exactly these diagrams. You are spot on. Pushing my luck a bit, are you able to source the part numbers for any of these items, especially the actuators. You have my deepest of thanks at this moment
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Thursday, May 25th, 2017 AT 3:26 AM
Tiny
STEVE W.
  • MECHANIC
  • 13,465 POSTS
This should show you all the various pieces and part numbers for the HVAC system. Being a 1997 some parts are likely used/Ebay only.

http://www.wholesalegmpartsonline.com/cars/Cadillac/1997/Seville/Air-Conditioning-and-Heating/Seville-parts.html
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Thursday, May 25th, 2017 AT 6:48 AM

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