How to replace the heater core on 1991 Volvo 740?

In vehicles that have Automatic Climate Control (ACC), a thermal switch will turn on the fan motor to avoid cold air in the winter time. The installation process for the heater core includes removing the battery, draining the cooling system and removing the dashboard parts and then carefully replacing and checking for any leaks.

Genuine 1991 Volvo 740 Heater Core

HVAC Heater Core

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2 Heater Cores found

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1991 Volvo 740 Heat Exchanger Part Number: 1307236
$361.33 MSRP: $430.15
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Product Specifications
- Other Name: HVAC Heater Core; Heater Core; Core, Heater Core
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1307236
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following 1991 Volvo 740 Submodels:
- Base, GL, GLE, T | 4 Cyl 2.3 L GAS, 6 Cyl 2.4 L DIESEL
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1991 Volvo 740 Heater Core Part Number: 1308374
Product Specifications
- Other Name: Heat Exchanger; Core, Heater Core
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 1308374
- Warranty: This genuine part is guaranteed by Volvo's factory warranty.
Fits the following 1991 Volvo 740 Submodels:
- Base, T | 4 Cyl 2.3 L GAS

1991 Volvo 740 Heater Core Parts and Q&A

Q: How to replace the heater core on 1991 Volvo 740?
A: In vehicles that have Automatic Climate Control (ACC), a thermal switch will turn on the fan motor to avoid cold air in the winter time. The installation process for the heater core includes removing the battery, draining the cooling system and removing the dashboard parts and then carefully replacing and checking for any leaks.