Question about 1997 Buick Park Avenue
Regarding the repair of the rear window defroster. There is a "electric ACD module" on the inside rear driver side roof sail that connects to the rear defroster and antenna. I had the same problem and found the connector for the defroster had overheated and melted resulting in a failed connection. The NAPA part numbers for the module and replacement connector are 25623688 and 15305949.
Posted on Oct 20, 2009
Check fuse first if ok check connection at window than check defrost wire for a break on window if a break visible auto stores sell a repair kit to fix the cracks or breaks
Posted on Oct 07, 2009
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Posted on Jan 02, 2017
I just accessed mine. It is under the rear seat. You just lift up on the seat, and it pops right out. If you are having problems with the rear defroster, it could very likely be the control module. This is a combination module which the rear antenna, and the defroster grid plugs in to.
When mine went out I smelled a "burnt wire" smell, then it went out.
To access the module, sit in the back seat, drivers side. There is a trim panel that will be by your left ear as you are looking forward. It is the panel that flares down from the ceiling to the rear deck. Gently pull at the edge of this panel, working around the edges, and the small strip which continues over the top of the door.
The seatbelt goes through this panel, so it will be hanging from the seatbelt at this point. There is a ~3" square, black module with the defroster input and output wires, and the antenna wire plugged into it.
You just unplug the wires, pull the one mounting screw, and voila!
On mine the module was obviously melted, as was the wire going into it. I got the replacement from a salvage yard, as the new one was over $50, and the replacement wire was $18. The salvage yard was unable to look it up, so I had to go out to the yard with them and pull it myself. The final cost was $17 (they tried to charge me $40, and I told them I could get it online for that, and they dropped the price).
You can use a crimp on **** connector to put in the replacement wire, but because of the heat in that area I chose to solder the wires together.
BTW, this module fits a wide range of Buicks, and full size Olds.
Hope this helps.
Posted on Jan 20, 2009
1997 Buick park avenue ultra
The radiator is in the front of the car under the hood behind the grille. It will be rectangular shaped and have a fan set to blow against it. It will have a cap on the top. DO NOT REMOVE THE CAP WHILE THE ENGINE IS HOT. Beside the radiator is another rectangular shaped item that looks like the radiator but is the condensor for the air conditioner. It does not have a cap on top and is in front of the radiator.
The drain for the radiator is on the lower part. After draining be sure to close the drain before refilling.
Refill the overflow bottle as well.
AFTER you refill, let the engine run for about a minute while topping off the radiator so any air will work out of the system.
Then install and tighten radiator cap.
When you drain the radiator, dispose of the fluid according to local regulations or recycling center. Do not allow animals to drink any of it. It's poisonous.
You can get an auto repair manual from library, auto parts stores or the internet.
Posted on May 12, 2009
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