How to replace the throttle body coolant pipe on Buick Century?

The process starts with throttle body air inlet duct removal followed by cooling system drainage. First disconnect the throttle body inlet hose's clamp from both the coolant pipe and throttle body before taking out the throttle body inlet hose. Begin installation by putting in the throttle body inlet hose followed by attaching it to the throttle body then the coolant pipe . Reinstall the throttle body air inlet duct after filling the cooling system with fluid.

How to replace the throttle body coolant pipe on Buick LaCrosse?

To replace the Throttle Body heater hose/pipe, you should start by draining the cooling system partially. Relocate the brake booster hose and the wiring harness from the remote power steering fluid reservoir. Unscrew the mounting bolts (1, 3) of the remote power steering fluid reservoir and it should be placed aside. Remove the Wiper Motor module to expose the rear of Throttle Body heater inlet hose. For you to remove the heated oxygen sensor connector, clear the backside of the Throttle Body heater inlet hose/pipe of the sensor and use a 90 degree needle nose pliers to remove Throttle Body heater inlet hose from the water crossover. Remove the electrical connector at the coil pack , then remove the cam shaft position (CMP), the left knock sensor connector, and the front thottle body heater inlet hose/pipe vacuum pipe retainer. Unplug the vacuum brake booster hose from the vacuum source and extract the bolts holding the Throttle Body heater inlet hose/pipe to the intake plenum and the engine rear lift bracket out. Unplug the Throttle Body heater inlet hose from the Throttle Body, and remove the hose/pipe from the engine. For installation, place this Throttle Body heater inlet hose/pipe to the engine (where) and connect it to Throttle Body (where). Mount the retention bolts for the hose/pipe to the intake plenum and the engine rear lift bracket, and tighten to 9 n.m (80 lb in). Reattach the vacuum brake booster hose to the vacuum source and attach the cmp sensor connector, the left knock sensor connector, and the vacuum pipe retainer to the front of the Throttle Body heater inlet hose/pipe. Services the thread the coil pack and Throttle Body heater inlet hose back to the water crossover with 90 degrees needle nose pliers. Connect back the heated oxygen sensor connector to the rear of the Throttle Body heater inlet hose/pipe, reconnect the Wiper Motor module and tighten securing the remote power steering fluid reservoir using its mounting bolts (1, 3), tightening the reservoir to intake plenum bolts to 9 n.m (80 lb in) and the reservoir to cylinder head bolt to 25 n.m (18 lb ft). Eventually, reattach the brake booster hose and the wiring harness to the remote power steering fluid reservoir and top up the cooling system.

How to replace the outlet coolant pipe (RPO LY7) on Buick Rendezvous?

To bleed out the coolant outlet pipe (RPO LY7), drain the cooling system. Reposition the radiator outlet hose clamp at the coolant outlet pipe and remove the radiator outlet hose from pipe. Then temperature sensor cable while supporting the camshaft carrier should be undone.next, you should remove the coolant outlet pipe bolts and then you also remove the coolant outlet pipe itself and then throw the old o-ring seal. For installation, you will connect a new coolant outlet pipe o-ring seal on the outlet pipe and put it on. Make sure to tighten the outlet pipe to thermostat housing bolt to 23 n.m (17 lb ft) as well as the outlet pipe to engine bolt to 50 n.m (37 lb ft). Recouple the radiator outlet hose to the coolant outlet pipe, relocate the hose clamp, and fill up the cooling system.

OEM Buick Coolant Pipe

Engine Cooler Pipe

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142 Coolant Pipes found

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Buick Water Pipe
Part Number: 12590279
$51.39 MSRP: $91.76
You Save: $40.37 (44%)
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Product Specifications
- Other Name: Pipe, Engine Coolant By-Pass; Radiator Hose; By-Pass Hose; By-Pass Pipe; Pipe; Pipe, Engine Coolant By - Pass
- Replaces: 10182341
Fits the following Buick Models:
- Century | 1997-2005 | Custom, Limited, Special Edition | 6 Cyl 3.1 L GAS
- Rendezvous | 2002-2005 | CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS
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Buick Coolant Line
Part Number: 12679313
$16.83 MSRP: $27.73
You Save: $10.90 (40%)
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Product Specifications
- Other Name: Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling; Coolant Pipe; Cooling Pipe; Water Inlet Pipe; Water Return Tube
- Replaces: 12627076
Fits the following Buick Models:
- Envision | 2016-2020 | Premium, Premium II | 4 Cyl 2.0 L GAS
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
- 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 Water Return Tube
Part Number: 55569226
$48.74 MSRP: $83.00
You Save: $34.26 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling; Coolant Pipe
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Connector Hose
Part Number: 12627054
$16.27 MSRP: $30.56
You Save: $14.29 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; By-Pass Hose; Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
- 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 By-Pass Hose
Part Number: 12702515
$43.68 MSRP: $78.00
You Save: $34.32 (44%)
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick Drain Hose
Part Number: 9438373
$59.89 MSRP: $118.44
You Save: $58.55 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose, Fuel-Oil Evaporator 3/8"X24'; Power Steering Hose; Multi Purpose Hose; Power Steering Return Hose, Overflow, Canister, Radiator, Fuel, Crankcase, Steering
Fits the following Buick Models:
- Century | 1989-1993 | Custom, Estate Wagon, Limited, Special | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.3 L GAS
- Electra | 1985-1990 | Limited, Park Avenue, Park Avenue Ultra, T-Type | 6 Cyl 3.8 L GAS
- Riviera | 1986-1987 | Luxury, T-Type | 6 Cyl 3.8 L GAS
- Skylark | 1989-1990 | Custom, Gran Sport, Limited, Luxury Edition | 6 Cyl 3.3 L GAS
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Buick By-Pass Valve
Part Number: 55509227
$39.83 MSRP: $71.12
You Save: $31.29 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Connector Hose
Part Number: 12683114
$7.24 MSRP: $12.92
You Save: $5.68 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; By-Pass Hose; Hoses; Hose, Engine Coolant By - Pass
- Replaces: 12634749
Fits the following Buick Models:
- Envision | 2016-2020 | Premium, Premium II | 4 Cyl 2.0 L GAS
- Regal | 2014-2017 | Base, GS, Premium, Sport Touring | 4 Cyl 2.0 L GAS
- 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 Vent Hose
Part Number: 95383975
$8.52 MSRP: $13.36
You Save: $4.84 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose-Engine Coolant Air Bleed; Multi Purpose Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Encore | 2016-2022 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Water Hose
Part Number: 12699841
$8.68 MSRP: $13.60
You Save: $4.92 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Engine Coolant Flow Control Valve; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.3 L GAS
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Buick Water Pipe
Part Number: 55507859
$77.49 MSRP: $121.39
You Save: $43.90 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Turbo Coolant Feed & Return; Coolant Pipe; Cooling Hose; Coolant Line; Oil Return Tube; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Connector Hose
Part Number: 12634280
$8.80 MSRP: $13.79
You Save: $4.99 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Reservoir Hose; Hose, Engine Coolant By - Pass
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 Coolant Line
Part Number: 55509610
$7.74 MSRP: $12.12
You Save: $4.38 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Pipe; Cooling Hose; Water Feed Tube; Hoses; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Reservoir Hose
Part Number: 23497241
$13.53 MSRP: $21.19
You Save: $7.66 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Coolant Reservoir Hose; Multi Purpose Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Envision | 2016-2020 | Base, Essence, Preferred, Premium, Premium II | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS
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Buick Coolant Line
Part Number: 55500592
$28.34 MSRP: $46.70
You Save: $18.36 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Coolant Pipe; Water Feed Tube; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
- Replaces: 55569227
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Air Hose
Part Number: 42744621
$35.65 MSRP: $55.83
You Save: $20.18 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Hose, Engine Coolant By - Pass
- Replaced by: 42869227
Fits the following Buick Models:
- Encore GX | 2020-2024 | Essence, Preferred, Select | 3 Cyl 1.2 L GAS
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Buick Outlet Hose
Part Number: 26276233
$27.55 MSRP: $43.16
You Save: $15.61 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Radiator Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick Coolant Hose
Part Number: 12673707
$68.61 MSRP: $107.48
You Save: $38.87 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Hose Assembly-Thermostat Bypass; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- Encore GX | 2020-2023 | Essence, Preferred, Select | 3 Cyl 1.3 L GAS
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Buick Coolant Hose
Part Number: 26223363
$50.19 MSRP: $78.62
You Save: $28.43 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Engine Coolant By-Pass; Radiator Hose; Cooling Hose; Hose, Engine Coolant By - Pass
Fits the following Buick Models:
- LaCrosse | 2018-2019 | Base, Essence, Preferred, Premium | 4 Cyl 2.5 L MILD HYBRID EV-GAS (MHEV)
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Buick Water Pipe
Part Number: 12703243
$50.06 MSRP: $78.40
You Save: $28.34 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Coolant Line; Coolant Pipe; Cooling Hose; Oil Return Tube; Pipe, Turbocharger/Supercharger Air/Vacuum/Cooling
Fits the following Buick Models:
- Encore GX | 2020-2024 | Avenir, Essence, Preferred, Select, Sport Touring | 3 Cyl 1.3 L GAS

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1-20 of 142 Results

Buick Coolant Pipe Parts Questions & Experts Answers

By-Pass Hose
10182356
Q: How to replace the throttle body coolant pipe on Buick Century?
A: The process starts with throttle body air inlet duct removal followed by cooling system drainage. First disconnect the throttle body inlet hose's clamp from both the coolant pipe and throttle body before taking out the throttle body inlet hose. Begin installation by putting in the throttle body inlet hose followed by attaching it to the throttle body then the coolant pipe . Reinstall the throttle body air inlet duct after filling the cooling system with fluid.
Reservoir Hose
15913153
Q: How to replace the throttle body coolant pipe on Buick LaCrosse?
A: To replace the Throttle Body heater hose/pipe, you should start by draining the cooling system partially. Relocate the brake booster hose and the wiring harness from the remote power steering fluid reservoir. Unscrew the mounting bolts (1, 3) of the remote power steering fluid reservoir and it should be placed aside. Remove the Wiper Motor module to expose the rear of Throttle Body heater inlet hose. For you to remove the heated oxygen sensor connector, clear the backside of the Throttle Body heater inlet hose/pipe of the sensor and use a 90 degree needle nose pliers to remove Throttle Body heater inlet hose from the water crossover. Remove the electrical connector at the coil pack , then remove the cam shaft position (CMP), the left knock sensor connector, and the front thottle body heater inlet hose/pipe vacuum pipe retainer. Unplug the vacuum brake booster hose from the vacuum source and extract the bolts holding the Throttle Body heater inlet hose/pipe to the intake plenum and the engine rear lift bracket out. Unplug the Throttle Body heater inlet hose from the Throttle Body, and remove the hose/pipe from the engine. For installation, place this Throttle Body heater inlet hose/pipe to the engine (where) and connect it to Throttle Body (where). Mount the retention bolts for the hose/pipe to the intake plenum and the engine rear lift bracket, and tighten to 9 n.m (80 lb in). Reattach the vacuum brake booster hose to the vacuum source and attach the cmp sensor connector, the left knock sensor connector, and the vacuum pipe retainer to the front of the Throttle Body heater inlet hose/pipe. Services the thread the coil pack and Throttle Body heater inlet hose back to the water crossover with 90 degrees needle nose pliers. Connect back the heated oxygen sensor connector to the rear of the Throttle Body heater inlet hose/pipe, reconnect the Wiper Motor module and tighten securing the remote power steering fluid reservoir using its mounting bolts (1, 3), tightening the reservoir to intake plenum bolts to 9 n.m (80 lb in) and the reservoir to cylinder head bolt to 25 n.m (18 lb ft). Eventually, reattach the brake booster hose and the wiring harness to the remote power steering fluid reservoir and top up the cooling system.
Reservoir Hose
15857667
Q: How to replace the outlet coolant pipe (RPO LY7) on Buick Rendezvous?
A: To bleed out the coolant outlet pipe (RPO LY7), drain the cooling system. Reposition the radiator outlet hose clamp at the coolant outlet pipe and remove the radiator outlet hose from pipe. Then temperature sensor cable while supporting the camshaft carrier should be undone.next, you should remove the coolant outlet pipe bolts and then you also remove the coolant outlet pipe itself and then throw the old o-ring seal. For installation, you will connect a new coolant outlet pipe o-ring seal on the outlet pipe and put it on. Make sure to tighten the outlet pipe to thermostat housing bolt to 23 n.m (17 lb ft) as well as the outlet pipe to engine bolt to 50 n.m (37 lb ft). Recouple the radiator outlet hose to the coolant outlet pipe, relocate the hose clamp, and fill up the cooling system.