How to replace the heater core with RPO DO7 on Buick LeSabre?

The procedure to change the Heater Core into rpo do7 begins by emptying the cooling system fluid. Before commencing the Heater Core heater repair one must remove the sight shield through manual intervention while the spring hose clamp pliers (J 38185) must be employed for the removal of heater hose clamps and heating core hoses. Subsequently detach first the left and then the right side sound insulators followed by the auxiliary air distribution duct adapter. The right side screw of the air distributor duct does not need replacement as you take out the screws (1,2). Start by removing the air distributor duct before unfastening all heat shield screws from the core heater and the shield. After that detach the screws securing the Heater Core cover and remove it. First disconnect the retaining screw and strap attached to the Heater Core followed by its removal. Insert the new Heater Core into the hvac module through the attaching straps and screws which should be tightened to 1.4 n.m (12 lb in). First position the front dash seals correctly before tightening the Heater Core cover screws to 1.4 n.m (12 lb in). Following that install the Heater Core heat shield by tightening screws as per the specification of 1.4 n.m (12 lb in). The left screw should be installed through the air distributor duct at its proper tab positioning before tightening to the specified torque of 1.4 n.m (12 lb in). Continue by installing the auxiliary air distribution duct adapter and then proceed with the left and right side sound insulators. The spring hose clamp pliers (J 38185) should be used to reattach heater hoses and clamps before reinstalling the fuel injector sight shield. Finally, fill the cooling system.

OEM Buick LeSabre Heater Core

HVAC Heater Core

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6 Heater Cores found

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Buick LeSabre Heater Core Part Number: 22784517
$106.74 MSRP: $200.46
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Product Specifications
- Other Name: Core Assembly-Heater; HVAC Heater Core; Core; Core, Heater Core
- Replaces: 52462735, 52470154, 89019251
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1999 Buick LeSabre | Base, Custom, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Buick LeSabre Heater Core Part Number: 52482185
Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2005 Buick LeSabre | Custom, Limited | 6 Cyl 3.8 L GAS
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Buick LeSabre Heater Core Part Number: 52479869
Product Specifications
- Other Name: Core, Heater; Core; Core, Heater Core
- Replaces: 3036422, 03036422
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1990 Buick LeSabre | Collector's Edition, Custom, Estate Wagon, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick LeSabre Heater Core Part Number: 3035420
Product Specifications
- Other Name: Core & Fitting; HVAC Heater Core
- Replaced by: 19131979
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1990 Buick LeSabre | Collector's Edition, Custom, Estate Wagon, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick LeSabre Heater Core Part Number: 19131991
Product Specifications
- Other Name: Core, Heater Core; Core
- Replaces: 03092683, 52479884, 3092683
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1986-1990 Buick LeSabre | Base, Custom, Limited, T-Type | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
View related parts
Buick LeSabre Heater Core Part Number: 19131979
Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core; Core
- Replaces: 03035420, 3035420, 52479871
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1990 Buick LeSabre | Collector's Edition, Custom, Estate Wagon, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL

Buick LeSabre Heater Core

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Buick LeSabre Heater Core is one of the major parts of the climate control system in Buick LeSabre cars, and has always been famous for its quality and efficiency. This Heater Core works like a radiator and circulates the excessive heat of the engine for heating the aerodynamic interior thus making the driving experience more comfortable. Made from sturdy materials such as aluminum or brass, the Heater Core has ribs, which extend its surface to allow for heat exchanger. It covers different models of Buick LeSabre manufactured between 1959 and 2005, and therefore users of this classic car can enjoy its features of efficient heating. The heater core is not just make passengers comfortable but also helps in controlling the temperature of car to prevent overheating and safe performing of vehicle. The specific design features make the Buick LeSabre Heater Core stand out in the competition with other automotive products: auto climate control with the A/C and the precise temperature control. Besides, in air-conditioned models, the Heater Core helps in dehumidification, thus improving the comfort while driving. Despite the fact that with time parts such as the Heater Core get blocked and leak, it is designed to last long with optimum performance. In sum, the subject of discussion- Buick LeSabre Heater Core can be described as a powerful advantage of the Buick LeSabre because this car deserves heavy and qualitative components that would increase its efficiency and ensure security.

Buick LeSabre Heater Core Parts and Q&A

Heater Core
52482185
Q: How to replace the heater core with RPO DO7 on Buick LeSabre?
A:
The procedure to change the Heater Core into rpo do7 begins by emptying the cooling system fluid. Before commencing the Heater Core heater repair one must remove the sight shield through manual intervention while the spring hose clamp pliers (J 38185) must be employed for the removal of heater hose clamps and heating core hoses. Subsequently detach first the left and then the right side sound insulators followed by the auxiliary air distribution duct adapter. The right side screw of the air distributor duct does not need replacement as you take out the screws (1,2). Start by removing the air distributor duct before unfastening all heat shield screws from the core heater and the shield. After that detach the screws securing the Heater Core cover and remove it. First disconnect the retaining screw and strap attached to the Heater Core followed by its removal. Insert the new Heater Core into the hvac module through the attaching straps and screws which should be tightened to 1.4 n.m (12 lb in). First position the front dash seals correctly before tightening the Heater Core cover screws to 1.4 n.m (12 lb in). Following that install the Heater Core heat shield by tightening screws as per the specification of 1.4 n.m (12 lb in). The left screw should be installed through the air distributor duct at its proper tab positioning before tightening to the specified torque of 1.4 n.m (12 lb in). Continue by installing the auxiliary air distribution duct adapter and then proceed with the left and right side sound insulators. The spring hose clamp pliers (J 38185) should be used to reattach heater hoses and clamps before reinstalling the fuel injector sight shield. Finally, fill the cooling system.