How to replace the intake manifold on Chevrolet Express 1500?

To replace the Intake Manifold, remove the Throttle Body, then disconnect the lifters of the quartet, as well as manifold absolute pressure (MAP) sensor and Knock Sensor electrical connectors. Then, remove the Knock Sensor harness connector and lay the electrical harness aside. Remove the pcv hose then remove the MAP Sensor from the Intake Manifold. The accelerator control cable bracket bolts and bracket itself should be removed. For the evap purge solenoid vent tube, first pull the evap tube end off the solenoid, pull out the evap pipe quick connect fitting retainer and then pull the evap tube retainer off the vapor pipe. Then, you need to remove the evap purge solenoid bolt, solenoid, and isolator, from the Intake Manifold, Intake Manifold bolts, and manifold respectively. Replace old Intake Manifold gaskets with new ones. When installing the Intake Manifold, spread a 5 mm (0.20 inch) thickness of thredlock gm p/n 12345382 (Canadian P/N 10953489) or equivalent on the threads of the Intake Manifold bolts. Tighten the Intake Manifold bolts in sequence to 5 nm (44 inch lbs) first pass and 10 nm (89 inch lbs) on final pass. Reinstall the evap purge solenoid, isolator, and bolt by tightening solenoid bolt to 10 nm (89 inch lbs. ). Install the evap purge solenoid vent tube to the solenoid and vapor pipe, and install the accelerator control cable bracket, then the bolts, tightening it to 10 nm (89 inch lbs.). Gently apply some clean engine oil on the seal of MAP Sensor then reattach it back to the Intake Manifold. Reconnect the pcv hose, the Knock Sensor harness connector and the MAP Sensor - knock sensor electrical connections along with the EGR Valve, if so equipped. Finally, install fuel injectors themselves as well as the Throttle Body.

OEM Chevrolet Express 1500 Intake Manifold

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10 Intake Manifolds found

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Chevrolet Express 1500 Intake Manifold Part Number: 12620308
$216.35 MSRP: $351.12
You Save: $134.77 (39%)
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Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Replaces: 12597598
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Intake Manifold Part Number: 12698169
$235.99 MSRP: $371.30
You Save: $135.31 (37%)
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Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Position: Lower
- Replaces: 12595828
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2014 Chevrolet Express 1500 | Base | 6 Cyl 4.3 L GAS
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Chevrolet Express 1500 Intake Manifold Part Number: 12638038
$224.44 MSRP: $382.10
You Save: $157.66 (42%)
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Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2014 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX
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Chevrolet Express 1500 Intake Manifold Part Number: 12595827
$87.57 MSRP: $144.26
You Save: $56.69 (40%)
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Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Position: Upper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2014 Chevrolet Express 1500 | Base | 6 Cyl 4.3 L GAS
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Chevrolet Express 1500 Intake Manifold Part Number: 17113542
Product Specifications
- Other Name: Manifold Kit, Engine Fuel Intake Manifold; Manifold
- Position: Upper
- Replaces: 17113213
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Express 1500 Intake Manifold Part Number: 12580420
$187.90 MSRP: $295.65
You Save: $107.75 (37%)
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Manifold
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Intake Manifold Part Number: 89017226
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003 Chevrolet Express 1500 | Base, LS | 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Intake Manifold, Lower Part Number: 88894294
Product Specifications
- Other Name: Manifold Kit, Lower Intake; Manifold; Manifold Kit, Engine Fuel Intake Manifold
- Position: Lower
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Express 1500 Intake Manifold Part Number: 19329992
Product Specifications
- Other Name: Manifold Kit, Engine Fuel Intake Manifold
- Replaces: 89017364
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Intake Manifold Part Number: 12642736
$71.03 MSRP: $111.26
You Save: $40.23 (37%)
Product Specifications
- Other Name: Manifold, Engine Fuel Intake Manifold; Heater
- Replaces: 12635453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2014 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

Chevrolet Express 1500 Intake Manifold

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Chevrolet Express 1500 Intake Manifold Parts and Q&A

Intake Manifold
17113542
Q: How to replace the intake manifold on Chevrolet Express 1500?
A:
To replace the Intake Manifold, remove the Throttle Body, then disconnect the lifters of the quartet, as well as manifold absolute pressure (MAP) sensor and Knock Sensor electrical connectors. Then, remove the Knock Sensor harness connector and lay the electrical harness aside. Remove the pcv hose then remove the MAP Sensor from the Intake Manifold. The accelerator control cable bracket bolts and bracket itself should be removed. For the evap purge solenoid vent tube, first pull the evap tube end off the solenoid, pull out the evap pipe quick connect fitting retainer and then pull the evap tube retainer off the vapor pipe. Then, you need to remove the evap purge solenoid bolt, solenoid, and isolator, from the Intake Manifold, Intake Manifold bolts, and manifold respectively. Replace old Intake Manifold gaskets with new ones. When installing the Intake Manifold, spread a 5 mm (0.20 inch) thickness of thredlock gm p/n 12345382 (Canadian P/N 10953489) or equivalent on the threads of the Intake Manifold bolts. Tighten the Intake Manifold bolts in sequence to 5 nm (44 inch lbs) first pass and 10 nm (89 inch lbs) on final pass. Reinstall the evap purge solenoid, isolator, and bolt by tightening solenoid bolt to 10 nm (89 inch lbs. ). Install the evap purge solenoid vent tube to the solenoid and vapor pipe, and install the accelerator control cable bracket, then the bolts, tightening it to 10 nm (89 inch lbs.). Gently apply some clean engine oil on the seal of MAP Sensor then reattach it back to the Intake Manifold. Reconnect the pcv hose, the Knock Sensor harness connector and the MAP Sensor - knock sensor electrical connections along with the EGR Valve, if so equipped. Finally, install Fuel Injectors themselves as well as the Throttle Body.