How to remove the exhaust manifold on 2009 Toyota Highlander?

The removal process requires first unbolting the under No. 1 engine cover. The removal of front floor cover LH starts with disconnecting three clips followed by removal of two screws and four bolts. First disconnect the clamp and connector to free the front exhaust pipe assembly then extract all four bolts as well as the two compression springs and front exhaust pipe and both gaskets from front exhaust pipe and exhaust manifold assembly. The next step requires the removal of the manifold stay by removing its bolt and nut and stay. Detach the connector from the No. 2 manifold stay and remove its bolt and wire harness clamp before extracting bolt and nut then the manifold stay from the assembly. The exhaust manifold assembly can be removed by first unfastening the bolt with plate then following with different steps to remove five nuts from the exhaust manifold before ultimately removing the exhaust manifold gasket. To access the No. 2 exhaust manifold heat insulator users must unbolt the part along with the insulator itself. As the last step remove the air fuel ratio sensor.

OEM 2009 Toyota Highlander Exhaust Manifold

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2009 Toyota Highlander Exhaust Manifold
Part Number: 17141-36050
$310.69 MSRP: $443.60
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Product Specifications
- Other Name: Manifold, Exhaust
- Part Name Code: 17141
- Item Weight: 22.30 Pounds
- Item Dimensions: 21.0 x 16.3 x 12.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 17141-36050
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2009 Toyota Highlander Submodels:
- Base, Plus, SE | 4 Cyl 2.7 L GAS
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2009 Toyota Highlander Exhaust Manifold, Passenger Side
Part Number: 17140-20120
$509.86 MSRP: $747.21
You Save: $237.35 (32%)
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Product Specifications
- Other Name: Manifold Assembly, Exhaust; Catalytic Converter with Integrated Exhaust Manifold, Right; Manifold Converter; Manifold Sub-Assembly, Exhaust, Passenger Side
- Manufacturer Note: *114=TOYOTA/R20120/Y
- Position: Passenger Side
- Part Name Code: 17104
- Item Weight: 12.20 Pounds
- Item Dimensions: 18.9 x 11.6 x 8.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 17140-20120
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2009 Toyota Highlander Submodels:
- Hybrid, Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)
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2009 Toyota Highlander Exhaust Manifold, Passenger Side
Part Number: 17140-0P080
$1153.17 MSRP: $1689.99
You Save: $536.82 (32%)
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Product Specifications
- Other Name: Manifold Assembly, Exhaust; Catalytic Converter with Integrated Exhaust Manifold, Right; Manifold; Manifold Sub-Assembly, Exhaust, Passenger Side
- Manufacturer Note: (L)
- Position: Passenger Side
- Part Name Code: 17104
- Item Weight: 1.40 Pounds
- Item Dimensions: 17.8 x 12.1 x 8.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 17140-0P080
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2009 Toyota Highlander Submodels:
- Base, Limited, SE, Sport | 6 Cyl 3.5 L GAS
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2009 Toyota Highlander Exhaust Manifold, Driver Side
Part Number: 25052-20240
$679.29 MSRP: $846.63
You Save: $167.34 (20%)
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Product Specifications
- Other Name: Converter Sub-Assembly; Catalytic Converter with Integrated Exhaust Manifold, Left; Converter Sub-Assembly, Exhaust Manifold
- Position: Driver Side
- Part Name Code: 25052
- Item Weight: 10.90 Pounds
- Item Dimensions: 18.2 x 16.8 x 8.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25052-20240
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2009 Toyota Highlander Submodels:
- Hybrid, Hybrid Limited | 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV)
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2009 Toyota Highlander Exhaust Manifold, Driver Side
Part Number: 17150-31270
$1055.98 MSRP: $1547.55
You Save: $491.57 (32%)
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Product Specifications
- Other Name: Manifold Assembly, Exhaust; Catalytic Converter with Integrated Exhaust Manifold, Left; Manifold Converter; Manifold Sub-Assembly, Exhaust, Driver Side
- Position: Driver Side
- Part Name Code: 17105
- Item Weight: 10.30 Pounds
- Item Dimensions: 15.9 x 8.2 x 5.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 17150-31270
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2009 Toyota Highlander Submodels:
- Base, Limited, Sport | 6 Cyl 3.5 L GAS

2009 Toyota Highlander Exhaust Manifold

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2009 Toyota Highlander Parts Questions & Experts Answers

Q: How to remove the exhaust manifold on 2009 Toyota Highlander?
A: The removal process requires first unbolting the under No. 1 engine cover. The removal of front floor cover LH starts with disconnecting three clips followed by removal of two screws and four bolts. First disconnect the clamp and connector to free the front exhaust pipe assembly then extract all four bolts as well as the two compression springs and front exhaust pipe and both gaskets from front exhaust pipe and exhaust manifold assembly. The next step requires the removal of the manifold stay by removing its bolt and nut and stay. Detach the connector from the No. 2 manifold stay and remove its bolt and wire harness clamp before extracting bolt and nut then the manifold stay from the assembly. The exhaust manifold assembly can be removed by first unfastening the bolt with plate then following with different steps to remove five nuts from the exhaust manifold before ultimately removing the exhaust manifold gasket. To access the No. 2 exhaust manifold heat insulator users must unbolt the part along with the insulator itself. As the last step remove the air fuel ratio sensor.