How to replace the PCV Valve Hose at the rear on Buick Enclave?

The first step to replace the positive crankcase ventilation tube at the rear requires removal of the fuel injector sight shield along with the Intake Manifold insulator. Positive crankcase ventilation (PCV) fresh air pipe must be disconnected from both the Intake Manifold and the camshaft cover along with the pcv air pipe. The pcv air pipe installation requires first connecting it to the camshaft cover valve before final attachment to the Intake Manifold. The last step brings together the replacement of the Intake Manifold insulator and the fuel injector sight shield.

How to replace the PCV Valve Hose on Buick Rendezvous?

You should start crankcase ventilation hose replacement by removing the intake manifold cover. The procedure to replace the pcv foul air tube starts by disconnecting the engine harness clip which is attached to the pcv foul air tube clip then removing the bolt and clip before extracting the tube. The first step of fresh air tube replacement includes detaching the pcv fresh air tube from the intake air duct before extracting the fresh air tube from the rocker cover. Begin by attaching the fresh air tube to the rocker cover followed by its installation to the intake air duct. To repair the pcv foul air tube you should install the tube together with the pcv foul air tube which requires following the fastener notice in service precautions before tightening the pcv foul air tube bolt to 10 nm (89 inch lbs.). Put on the intake manifold cover and fasten the engine harness clip onto the pcv foul air tube clip.

OEM Buick PCV Valve Hose

Positive Crankcase Ventilation Valve Hose

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26 PCV Valve Hoses found

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Buick PCV Tube
Part Number: 12634292
$11.49 MSRP: $20.52
You Save: $9.03 (45%)
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Product Specifications
- Other Name: Tube, PCV; Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- LaCrosse | 2012 | Base, Convenience, Leather, Premium, Touring | 6 Cyl 3.6 L FLEX
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Buick PCV Hose
Part Number: 12643296
$4.60 MSRP: $8.64
You Save: $4.04 (47%)
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Product Specifications
- Other Name: Hose-PCV; Crankcase Breather Hose; PCV Tube; Hose, Engine Crankcase Ventilation
- Replaces: 12605456, 12598189
Fits the following Buick Models:
- LaCrosse | 2011-2016 | Base, Convenience, CX, CXL, Leather | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2011-2017 | Base, CXL, Premium | 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
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Buick PCV Tube
Part Number: 12648138
$10.53 MSRP: $19.78
You Save: $9.25 (47%)
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Product Specifications
- Other Name: Tube Assembly-PCV (Fresh Air); Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- Enclave | 2012-2017 | Base, Convenience, Leather, Premium | 6 Cyl 3.6 L GAS
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Buick PCV Tube
Part Number: 12611749
$8.31 MSRP: $14.84
You Save: $6.53 (44%)
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Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- LaCrosse | 2010-2011 | CX, CXL, CXS | 6 Cyl 3.6 L GAS
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Buick PCV Tube
Part Number: 12594578
$7.48 MSRP: $11.72
You Save: $4.24 (37%)
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Product Specifications
- Other Name: Tube Assembly-PCV (Fresh Air); Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- Enclave | 2008 | CX, CXL | 6 Cyl 3.6 L GAS
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Buick PCV Tube
Part Number: 24508186
$7.20 MSRP: $10.39
You Save: $3.19 (31%)
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Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- Rendezvous | 2002-2005 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
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Buick PCV Hose
Part Number: 55510677
$51.92 MSRP: $92.72
You Save: $40.80 (44%)
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Product Specifications
- Other Name: Hose-PCV; Crankcase Breather Hose; Hose, Engine Crankcase Ventilation
- Replaced by: 12718975
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick PCV Tube
Part Number: 25202897
$84.40 MSRP: $150.72
You Save: $66.32 (44%)
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Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
- Replaces: 12674525, 25201119
Fits the following Buick Models:
- Regal Sportback | 2018-2020 | Avenir, Base, Essence, Preferred, Preferred II | 4 Cyl 2.0 L GAS
- Regal TourX | 2018-2020 | Base, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick PCV Tube, Driver Side
Part Number: 12701623
$40.60 MSRP: $63.60
You Save: $23.00 (37%)
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Product Specifications
- Other Name: Tube Assembly-PCV Foul Air; Tube, Engine Crankcase Ventilation
- Position: Driver Side
- Replaces: 12669905, 12680716
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
- Regal Sportback | 2018-2020 | GS | 6 Cyl 3.6 L GAS
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Buick PCV Tube, Passenger Side
Part Number: 12670652
$24.45 MSRP: $38.83
You Save: $14.38 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
- Position: Passenger Side
Fits the following Buick Models:
- LaCrosse | 2017-2019 | Avenir, Base, Essence, Preferred, Premium, Sport Touring | 6 Cyl 3.6 L GAS
- Regal Sportback | 2018-2020 | GS | 6 Cyl 3.6 L GAS
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Buick PCV Valve
Part Number: 12595298
Product Specifications
- Other Name: Hose, Engine Crankcase Ventilation
Fits the following Buick Models:
- LaCrosse | 2008-2009 | Super | 8 Cyl 5.3 L GAS
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Buick Vent Hose
Part Number: 22538996
Product Specifications
- Other Name: Hose-Crankcase Vent; Crankcase Breather Hose; Hose, Engine Crankcase Ventilation
Fits the following Buick Models:
- Skylark | 1994-1995 | Custom, Limited | 4 Cyl 2.3 L GAS
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Buick PCV Valve
Part Number: 12569421
Product Specifications
- Other Name: Hose, Engine Crankcase Ventilation
Fits the following Buick Models:
- LaCrosse | 2008-2009 | Super | 8 Cyl 5.3 L GAS
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Buick PCV Tube
Part Number: 14102513
Product Specifications
- Other Name: Tube Assembly-Crankcase Vent; Crankcase Breather Hose; Crankcase Tube; Tube; Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- Regal | 1988-1993 | Custom, Gran Sport, Limited | 6 Cyl 2.8 L GAS, 6 Cyl 3.1 L GAS
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Buick Vent Tube
Part Number: 25527150
Product Specifications
- Other Name: Tube-Crankcase Vent; Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- LeSabre | 1986 | Custom, Limited | 6 Cyl 3.0 L GAS
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Buick PCV Tube
Part Number: 12603991
Product Specifications
- Other Name: Tube Assembly-PCV; Tube, Engine Crankcase Ventilation
- Replaces: 12575643
Fits the following Buick Models:
- Rendezvous | 2004-2006 | CX, CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
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Buick Vent Tube
Part Number: 25522041
Product Specifications
- Other Name: Tube; Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- LeSabre | 1986-1988 | Base, Custom, Limited, T-Type | 6 Cyl 3.8 L GAS
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Buick Vent Tube
Part Number: 25533606
Product Specifications
- Other Name: Tube-Crankcase Vent; Crankcase Breather Hose; Tube, Engine Crankcase Ventilation
Fits the following Buick Models:
- Electra | 1985-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
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Buick Vent Hose
Part Number: 24572340
Product Specifications
- Other Name: Hose, Engine Crankcase Ventilation; Crankcase Breather Hose
Fits the following Buick Models:
- Skylark | 1992-1993 | Custom, Limited | 4 Cyl 2.3 L GAS
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Buick Vent Hose
Part Number: 24573841
Product Specifications
- Other Name: Hose Assembly-Crankcase Vent; Crankcase Breather Hose; Hose, Engine Crankcase Ventilation
Fits the following Buick Models:
- Skylark | 1994 | Custom, Limited | 4 Cyl 2.3 L GAS

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Buick PCV Valve Hose Parts Questions & Experts Answers

PCV Tube
12630279
Q: How to replace the PCV Valve Hose at the rear on Buick Enclave?
A: The first step to replace the positive crankcase ventilation tube at the rear requires removal of the fuel injector sight shield along with the Intake Manifold insulator. Positive crankcase ventilation (PCV) fresh air pipe must be disconnected from both the Intake Manifold and the camshaft cover along with the pcv air pipe. The pcv air pipe installation requires first connecting it to the camshaft cover valve before final attachment to the Intake Manifold. The last step brings together the replacement of the Intake Manifold insulator and the fuel injector sight shield.
PCV Tube
12581194
Q: How to replace the PCV Valve Hose on Buick Rendezvous?
A: You should start crankcase ventilation hose replacement by removing the intake manifold cover. The procedure to replace the pcv foul air tube starts by disconnecting the engine harness clip which is attached to the pcv foul air tube clip then removing the bolt and clip before extracting the tube. The first step of fresh air tube replacement includes detaching the pcv fresh air tube from the intake air duct before extracting the fresh air tube from the rocker cover. Begin by attaching the fresh air tube to the rocker cover followed by its installation to the intake air duct. To repair the pcv foul air tube you should install the tube together with the pcv foul air tube which requires following the fastener notice in service precautions before tightening the pcv foul air tube bolt to 10 nm (89 inch lbs.). Put on the intake manifold cover and fasten the engine harness clip onto the pcv foul air tube clip.

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