How to disconnect the vacuum pump from the cylinder head on 1995 Audi 90?

Unhook spark plug HT leads and crank case vent hose and access right side of cylinder head vacuum pump. Unscrew the nuts and remove the pump by detaching the vacuum hose union. Wipe off contact faces and replace, be sure to use a new seal and washers.

Genuine 1995 Audi 90 Vacuum Pump

Vacuum Pressure Pump

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3 Vacuum Pumps found

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1995 Audi 90 Vacuum Pump Part Number: 4B0-907-325
$185.64 MSRP: $260.00
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Product Specifications
- Replaces: 811-907-325
- Item Weight: 1.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4B0-907-325
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 1995 Audi 90 Submodels:
- Base, CS, S, Sport | 6 Cyl 2.8 L GAS
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1995 Audi 90 Vacuum Pump Part Number: 4A0-862-257-H
$238.00 MSRP: $333.33
You Save: $95.33 (29%)
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Product Specifications
- Other Name: Pump; Vacuum Pump
- Item Weight: 2.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4A0-862-257-H
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 1995 Audi 90 Submodels:
- Base, CS, S, Sport | 6 Cyl 2.8 L GAS
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1995 Audi 90 Control Module Part Number: 4A0-862-257-J
$912.73 MSRP: $1180.00
You Save: $267.27 (23%)
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Product Specifications
- Other Name: Pump; Control Module
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4A0-862-257-J
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
Fits the following 1995 Audi 90 Submodels:
- Base, Sport | 6 Cyl 2.8 L GAS

1995 Audi 90 Vacuum Pump Parts and Q&A

Q: How to disconnect the vacuum pump from the cylinder head on 1995 Audi 90?
A: Unhook spark plug HT leads and crank case vent hose and access right side of cylinder head vacuum pump. Unscrew the nuts and remove the pump by detaching the vacuum hose union. Wipe off contact faces and replace, be sure to use a new seal and washers.