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Transporter T3 (1979-1992) Transporter T4 (1990-2003)

Additional heat exchanger — removal and installation (VW Transporter T4)

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  • Additional heat exchanger — removal and installation
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Contents: Removal ↓ Installation ↓

Removal the additional motor and heater radiator



1. Grille, in the cabin; 2. Gasket; 3. Additional radiator; 4. Coolant supply; 5. Return of coolant

1. Grille, in the cabin; 2. Gasket; 3. Additional radiator; 4. Coolant supply; 5. Return of coolant


The additional heater radiator is located under the bottom of the car at the height of the sliding door. The operation is similar to the front heating: the motor sucks in clean air (on the side above the footboard next to the sliding door) through the bars.

The air is supplied to the rear of the passenger compartment through a heat exchanger, washed by hot coolant, and a deflector. The flow of coolant into the radiator is regulated by a valve controlled by a flexible cable.

[The information is presented on the website www.VWManual.ru]

Removal



1. Drain the coolant (see subsection 2.16.3).

2. Disconnect the plug from the heater motor.

3. Remove the connecting hoses near the radiator (3), first loosening the clamps and pinching the hoses with suitable clamps so that the coolant does not leak out (see fig. Removing the additional motor and heater radiator).

3. Remove the connecting hoses near the radiator (3), first loosening the clamps and pinching the…


4. Remove the deflector (1) in the passenger compartment. Remove the seal (2).



5. Unscrew the radiator mounting screws.

Installation



1. Screw on the radiator and install the deflector.

2. Connect and secure the coolant hoses with clamps.

3. Add coolant and bleed air from the cooling system (see subsection 2.16.3).

Attention! When replacing the radiator, replace the coolant in any case.

This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
The text has been checked: Orlov Dmitry

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Previous articles
Heater control cables — removal and installation
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Air deflectors — removal and installation
Heater motor — removal and installation
Intake manifolds — removal and installation
Heating system device
Next articles
Additional heating system on the Caravelle model
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Transporter T4 
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