How to replace the throttle body assembly on Buick Rainier?

The Throttle Body assembly can be replaced removing resonator assembly and then the evaporative emission (EVAP) canister purge line connection from the Throttle Body, and Throttle Body electrical connector. Next, remove the Throttle Body assembly retaining bolts, and Throttle Body assembly with gasket from the Intake Manifold, also making sure to clean the surface of the gasket. For installation one should install the Throttle Body assembly on the Intake Manifold with the gasket, the sealer should be used gm p/n 12346004 (Canadian P/N 10953480) to be used on throttle control module bolt thread. Install the Throttle Body assembly retaing bols, and tighten to 10 n.m (89lb in). Reconnect the Throttle Body electric connector, reconnect evap canister purge line with the Throttle Body, and lastly reinstall the resonator assembly.

OEM Buick Rainier Throttle Body

Fuel Injection Throttle Body

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3 Throttle Bodies found

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Buick Rainier Throttle Body Part Number: 12568580
$332.47 MSRP: $675.28
You Save: $342.81 (51%)
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter; Electronic Throttle Body Assembly; Fuel Injection Throttle Body
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Rainier Throttle Body Part Number: 12679524
$269.78 MSRP: $547.96
You Save: $278.18 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Body, Fuel Injection Air Meter; Electronic Throttle Body Assembly; Fuel Injection Throttle Body
- Replaces: 12580760, 12572658
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Buick Rainier | CXL, CXL Plus | 8 Cyl 5.3 L GAS
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Buick Rainier Throttle Body Part Number: 19420713
$196.41 MSRP: $398.92
You Save: $202.51 (51%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Body, Fuel Injection Air Meter
- Replaces: 12679525, 12570800
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004 Buick Rainier | CXL, CXL Plus | 8 Cyl 5.3 L GAS

Buick Rainier Throttle Body

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Buick Rainier Throttle Body is one of the vital parts which plays a crucial role and contributes to improve the efficiency of Buick Rainier vehicles. This is a complex gadget that regulates the admittance of air to the engine by the opening called a butterfly, which opens depending on the accelerator's pedal position to let in the right mix of air and fuel for the engine. For your Buick Rainier Throttle Body, Auto Narrow Exhaust Manifold, Turbocharger kits and other parts, it fits various Rainier models with Throttle Body Injection (TBI) and today's high tech multi-port fuel injection systems. Features including Idle Air Control (IAC) valve or Throttle Position Sensor (TPS) within the Throttle Body proved crucial to control the idle speed and fuel which is relevant to the vehicle performance and safety. Newer Rainier automobile models have incorporated ETC that has improved the reliability of the Throttle Body and compatibility with newer safety features. The sustenance of Buick Rainier Throttle Body implies cleaning and the replacement of several parts and hence requires regular maintenance. In the automotive market the Buick Rainier has not only the powerful engine for the car and stylish amenities but the ability based on Throttle Body to respond to the buyer's demand. Altogether, Buick Rainier represents great opportunities with its safety, performance and comfort factors for the clients who are in search of a reliable mid-size luxury SUV today.

Buick Rainier Throttle Body Parts and Q&A

Throttle Body
12568580
Q: How to replace the throttle body assembly on Buick Rainier?
A:
The Throttle Body assembly can be replaced removing resonator assembly and then the evaporative emission (EVAP) canister purge line connection from the Throttle Body, and Throttle Body electrical connector. Next, remove the Throttle Body assembly retaining bolts, and Throttle Body assembly with gasket from the Intake Manifold, also making sure to clean the surface of the gasket. For installation one should install the Throttle Body assembly on the Intake Manifold with the gasket, the sealer should be used gm p/n 12346004 (Canadian P/N 10953480) to be used on throttle control module bolt thread. Install the Throttle Body assembly retaing bols, and tighten to 10 n.m (89lb in). Reconnect the Throttle Body electric connector, reconnect evap canister purge line with the Throttle Body, and lastly reinstall the resonator assembly.