What are the steps involved in servicing the catalytic converter, including the replacement of the muffler and tailpipe on Buick Park Avenue?

The full one-piece combination of Muffler and tailpipe needs replacement during Catalytic Converter servicing. To start your work remove the Oxygen Sensor followed by supporting the converter. Start by removing nuts attaching the front pipe to Catalytic Converter then proceed to detach intermediate pipe hangers located at body mounts before finally removing the rear hanger at the tailpipe to chassis mount. Remove the entire exhaust system from the vehicle once you finish that step. The exhaust system needs support at the converter point before setting it in line with the vehicle's underbody. Begin screwing the converter studs' nuts through the front pipe flange alignment by following the fastener notice from service precautions. Connect the center Exhaust Hanger to the underbody and fasten it with torque of 30 nm (22 ft. Lbs.), before connecting the rear Exhaust Hanger to the rear compartment rail and tightening to 50 nm (37 ft. Lbs.). Apply torque to the front pipe converter nuts until they reach 25 nm (18 ft. Lbs) before finally installing the Oxygen Sensor (Heated Oxygen Sensor (HOS) replacement).

OEM Buick Park Avenue Catalytic Converter

Cat. Converter

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12 Catalytic Converters found

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Buick Park Avenue Cross Over
Part Number: 24503125
$437.51 MSRP: $654.11
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Product Specifications
- Other Name: Pipe, Exhaust Pipe; Crossover Pipe; Front Pipe; Cross Over Pipe; Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2005 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 25174346
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 25165285
Product Specifications
- Other Name: Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 25165284
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Converter & Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-1999 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 25145752
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 25143483
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1994 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 25130333
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1994 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 25128981
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1992 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 24505383
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 24505382
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Front Pipe; Converter & Pipe; Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Catalytic Converter
Part Number: 24503527
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Exhaust Pipe
Part Number: 10371540
Product Specifications
- Other Name: Pipe, Catalytic Converter; Front Pipe; Pipe, Exhaust Pipe
- Replaces: 24507357, 25763981
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2005 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS

Buick Park Avenue Catalytic Converter

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Buick Park Avenue Catalytic Converter Parts Questions & Experts Answers

Cross Over
24503125
Q: What are the steps involved in servicing the catalytic converter, including the replacement of the muffler and tailpipe on Buick Park Avenue?
A: The full one-piece combination of Muffler and tailpipe needs replacement during Catalytic Converter servicing. To start your work remove the Oxygen Sensor followed by supporting the converter. Start by removing nuts attaching the front pipe to Catalytic Converter then proceed to detach intermediate pipe hangers located at body mounts before finally removing the rear hanger at the tailpipe to chassis mount. Remove the entire exhaust system from the vehicle once you finish that step. The exhaust system needs support at the converter point before setting it in line with the vehicle's underbody. Begin screwing the converter studs' nuts through the front pipe flange alignment by following the fastener notice from service precautions. Connect the center Exhaust Hanger to the underbody and fasten it with torque of 30 nm (22 ft. Lbs.), before connecting the rear Exhaust Hanger to the rear compartment rail and tightening to 50 nm (37 ft. Lbs.). Apply torque to the front pipe converter nuts until they reach 25 nm (18 ft. Lbs) before finally installing the Oxygen Sensor (Heated Oxygen Sensor (HOS) replacement).

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