How to remove and refit the exhaust manifold on Audi 90?

Unscrew the nuts and remove the shroud of exhaust manifold and then disconnect the warm air hose. Unscrew the mount of the exhaust downpipe of the manifold and strip the gasket, unscrewing the wiring of the lambda probe (when present). Unscrew the mounting nuts and take off the exhaust manifold out of the cylinder head and separate the gaskets. To refit, do the opposite of removal, and make it sure to fit new gaskets, and tighten all the nuts and bolts to the recommended torque.

Genuine Audi 90 Exhaust Manifold

Engine Exhaust Manifold

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5 Exhaust Manifolds found

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Audi 90 Exhaust Manifold Part Number: 054-129-591
$237.76 MSRP: $333.00
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Product Specifications
- Other Name: Manifold; Exhaust Manifold
- Position: Right
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988-1991 Audi 90 | Base | 5 Cyl 2.3 L GAS
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Audi 90 Manifold Part Number: 026-129-591-D
$240.62 MSRP: $337.00
You Save: $96.38 (29%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988 Audi 90
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Audi 90 Manifold Part Number: 034-129-591-R
$357.71 MSRP: $501.00
You Save: $143.29 (29%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988 Audi 90
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Audi 90 Exhaust Manifold Part Number: 054-129-592-A
$382.70 MSRP: $536.00
You Save: $153.30 (29%)
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Product Specifications
- Other Name: Manifold; Exhaust Manifold
- Position: Left
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1988-1991 Audi 90 | Base | 5 Cyl 2.3 L GAS
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Audi 90 Exhaust Manifold Part Number: 054-129-591-J
$657.48 MSRP: $850.00
You Save: $192.52 (23%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Manifold; Exhaust Manifold
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following Vehicles:
- 1990-1991 Audi 90 | Base | 5 Cyl 2.3 L GAS

Audi 90 Exhaust Manifold

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Audi 90 Exhaust Manifold Parts and Q&A

Manifold
026-129-591-D
Q: How to remove and refit the exhaust manifold on Audi 90?
A:
Unscrew the nuts and remove the shroud of exhaust manifold and then disconnect the warm air hose. Unscrew the mount of the exhaust downpipe of the manifold and strip the gasket, unscrewing the wiring of the lambda probe (when present). Unscrew the mounting nuts and take off the exhaust manifold out of the cylinder head and separate the gaskets. To refit, do the opposite of removal, and make it sure to fit new gaskets, and tighten all the nuts and bolts to the recommended torque.