How to remove the intake manifold for four cylinder engine on Mazda 6?

The first step to take is to relieve the fuel system pressure and remove the negative battery cable before removing the intake manifold. Disconnect the electrical connector of swirl control, throttle body, MAP sensor and oil pressure sender next. When servicing the cylinder head alone, there is no need to take out the throttle body out of the intake manifold. Take the air filter housing cover and the air duct between the cover and throttle body, and then disconnect and reconnect the coolant hoses to throttle body. Unhook the harness clips and put the wiring harness aside on the top of the intake manifold. Should the hose of the coolant expansion tank interfere with the removal of the manifold drain the coolant and unlink the hose. Some steps include: removing the fuel rail and injectors and lifting the vehicle and stabilizing it with jack stands. Unscrew the bottom engine cover and covers. The intake manifold is held in place using eight bolts; 1 underneath and seven on the top; remember the initial locations of the bolts as they are of two different sizes. Unbolt the intake manifold and un If provisioned, loosen the EGR pipe and the crankcase vent hose of the oil separator, forcing the clips on the vent hose open to release the vent hose. To install, new manifold gaskets should be used and the intake manifold should be installed, tightening the bolts and nuts in a few steps outwards to the required torque. In case the cooling system had been emptied, replace it later.

Genuine Mazda 6 Intake Manifold

Engine Intake Manifold

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9 Intake Manifolds found

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Mazda 6 Intake Manifold Part Number: L3BT-13-100
$1450.60 MSRP: $1982.09
You Save: $531.49 (27%)
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Product Specifications
- Other Name: Manifold, Inlet
- Replaces: L3K9-13-100A, L3K9-13-100H, L3K9-13-100C, L3K9-13-100D, L3K9-13-100J
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mazda 6 | i | 4 Cyl 2.3 L GAS
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Mazda 6 Intake Manifold Part Number: PY8V-13-100
$342.50 MSRP: $456.77
You Save: $114.27 (26%)
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Product Specifications
- Other Name: Manifold, Inlet
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2018-2021 Mazda 6 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda 6 Intake Manifold Part Number: PY01-13-100A
$415.67 MSRP: $558.81
You Save: $143.14 (26%)
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Product Specifications
- Other Name: Manifold, Inlet
- Replaces: PY01-13-100
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2021 Mazda 6 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda 6 Intake Manifold Part Number: L538-13-100C
$615.02 MSRP: $826.80
You Save: $211.78 (26%)
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Product Specifications
- Other Name: Manifold, Inlet
- Replaces: L538-13-100, L501-13-100A, L538-13-100A, L5Y1-13-100
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2009-2013 Mazda 6 | i | 4 Cyl 2.5 L GAS
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Mazda 6 Intake Manifold Part Number: L341-13-100G
Product Specifications
- Other Name: Manifold, Inlet
- Replaces: L341-13-100C, L341-13-100E, L341-13-100D, L341-13-100F, L341-13-100A, L341-13-100B, L341-13-100
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mazda 6 | i | 4 Cyl 2.3 L GAS
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Mazda 6 Intake Manifold Part Number: AJ51-13-100A
Product Specifications
- Other Name: Manifold, Inlet
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mazda 6 | i | 4 Cyl 2.3 L GAS
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Mazda 6 Intake Manifold Part Number: AJB4-13-100
Product Specifications
- Other Name: Manifold, Inlet
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2006-2008 Mazda 6 | i | 4 Cyl 2.3 L GAS
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Mazda 6 Intake Manifold Part Number: CY01-13-100B
Product Specifications
- Other Name: Manifold, Inlet
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2009-2013 Mazda 6 | S | 6 Cyl 3.7 L GAS
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Mazda 6 Intake Manifold Part Number: L341-13-100J
Product Specifications
- Other Name: Manifold, Inlet (Not For 2003 Model)
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2005-2008 Mazda 6 | i | 4 Cyl 2.3 L GAS

Mazda 6 Intake Manifold

The Mazda 6 Intake Manifold causes the in-flowing air, in some engines in which there is a mix of air and fuel, to enter each cylinder at an identical rate to give the sedan smooth-running power and an efficient engine. Placed immediately after the throttle body, it divides the stream into equal-sized runners with a contoured interior that relies on Helmholtz resonance to shove unintended pressure into the chambers in order to provide improved breathing. The Intake Manifold at the beginning of the model's life applied heavy cast aluminum or iron and, in throttle-body installations, took both air and fuel, but now Mazda models have changed to use lightweight composite plastic that makes the charge cooler and lighter. The 6 models of the 2nd generation applied multiport and then gasoline direct injection, hence the manifold only provides clean air with the injectors metering out fuel nearer to the pistons. Select trims received an optional variable-length Intake Manifold, which is also called a variable resonance induction system, which adjusts passages under the flaps to fit engine speed to provide strong low-rpm torque without compromising on high-rpm horsepower. Most of these Mazda units have coolant passages, house the thermostat, and contain sensors which relay air and coolant temperature information to the ECU to be applied in control of the correct mixture and timing. In every redesign, Mazda places emphasis on even distribution, high gasket sealing, and intelligent geometry of the runners, creating responsive throttle feel, constant idle, and stable everyday performance to the drivers.

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Mazda 6 Intake Manifold Parts and Q&A

Intake Manifold
L538-13-100C
Q: How to remove the intake manifold for four cylinder engine on Mazda 6?
A:
The first step to take is to relieve the fuel system pressure and remove the negative battery cable before removing the intake manifold. Disconnect the electrical connector of swirl control, throttle body, MAP sensor and oil pressure sender next. When servicing the Cylinder Head alone, there is no need to take out the throttle body out of the intake manifold. Take the air filter housing cover and the air duct between the cover and throttle body, and then disconnect and reconnect the coolant hoses to throttle body. Unhook the harness clips and put the wiring harness aside on the top of the intake manifold. Should the hose of the coolant expansion tank interfere with the removal of the manifold drain the coolant and unlink the hose. Some steps include: removing the fuel rail and injectors and lifting the vehicle and stabilizing it with jack stands. Unscrew the bottom engine cover and covers. The intake manifold is held in place using eight bolts; 1 underneath and seven on the top; remember the initial locations of the bolts as they are of two different sizes. Unbolt the intake manifold and un If provisioned, loosen the EGR pipe and the crankcase vent hose of the oil separator, forcing the clips on the vent hose open to release the vent hose. To install, new manifold gaskets should be used and the intake manifold should be installed, tightening the bolts and nuts in a few steps outwards to the required torque. In case the cooling system had been emptied, replace it later.