How to disconnect and remove the heater core on 1987 Audi 4000?

Disconnect the battery negative lead, drain the cooling system, and disconnect the heater hoses. Remove the central console and control knobs, then withdraw the central facia panel and disconnect the air ducts. Remove the heater mounting bolts and lower the heater unit, protecting the floor from water. Refit in reverse order, checking control cable adjustments.

Genuine 1987 Audi 4000 Heater Core

HVAC Heater Core

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1987 Audi 4000 Heater Core Part Number: 171-819-031-E
$133.52 MSRP: $187.00
You Save: $53.48 (29%)
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Product Specifications
- Other Name: Core
- Replaces: 171-819-031-C, 171-819-031-D, 175-819-031
- Item Weight: 3.00 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 171-819-031-E
- Warranty: This genuine part is guaranteed by Audi's factory warranty.
More Info
Fits the following 1987 Audi 4000 Submodels:
- S | 4 Cyl 1.8 L GAS

1987 Audi 4000 Heater Core Parts and Q&A

Q: How to disconnect and remove the heater core on 1987 Audi 4000?
A: Disconnect the battery negative lead, drain the cooling system, and disconnect the heater hoses. Remove the central console and control knobs, then withdraw the central facia panel and disconnect the air ducts. Remove the heater mounting bolts and lower the heater unit, protecting the floor from water. Refit in reverse order, checking control cable adjustments.