How to properly remove and reinstall the distributor while ensuring the engine is at TDC compression on No 1 cylinder on 1988 Audi 90?

Set engine to TDC on compression, aligning crankshaft and flywheel marks; verify cam alignment if needed. Mark distributor to engine, disconnect vacuum and wiring, remove cap, note rotor position, then withdraw unit. Renew seals if required. Refit, aligning marks and rotor; ensure proper seating, reconnect parts, and check ignition timing.

Genuine 1988 Audi 90 Distributor

Ignition Distributor

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3 Distributors found

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1988 Audi 90 Distributor Assembly Part Number: 048-905-237-X
$291.57 MSRP: $408.33
You Save: $116.76 (29%)
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Product Specifications
- Other Name: Distributor
- Replaces: 048-905-205-B
- Item Weight: 4.00 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 048-905-237-X
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
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Fits the following 1988 Audi 90 Submodels:
- Base | 4 Cyl 2.0 L GAS
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1988 Audi 90 Distributor Assembly Part Number: 034-905-237-AX
$151.03 MSRP: $209.03
You Save: $58.00 (28%)
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Product Specifications
- Other Name: Distributor
- Replaces: 034-905-205-H
- Item Weight: 4.20 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 034-905-237-AX
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
More Info
Fits the following 1988 Audi 90 Submodels:
- Base | 5 Cyl 2.3 L GAS
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1988 Audi 90 Distributor Assembly Part Number: 034-905-237-X
$243.20 MSRP: $336.93
You Save: $93.73 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Distributor
- Replaces: 034-905-205-J
- Item Weight: 4.00 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 034-905-237-X
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
More Info
Fits the following 1988 Audi 90 Submodels:
- Base | 5 Cyl 2.3 L GAS

1988 Audi 90 Distributor Parts and Q&A

Q: How to properly remove and reinstall the distributor while ensuring the engine is at TDC compression on No 1 cylinder on 1988 Audi 90?
A: Set engine to TDC on compression, aligning crankshaft and flywheel marks; verify cam alignment if needed. Mark distributor to engine, disconnect vacuum and wiring, remove cap, note rotor position, then withdraw unit. Renew seals if required. Refit, aligning marks and rotor; ensure proper seating, reconnect parts, and check ignition timing.