Warning! When servicing and working on cooling system components, observe safety precautions (see Section 2)! Before starting the procedure, wait until the engine has completely cooled down!
1. Drain the cooling system (see Section 3).
2. In the engine compartment, disconnect the hoses (see accompanying illustration) heater from the heat exchanger pipes - pre-mark the hoses to ensure that they are connected correctly during assembly.
19.2 Heat exchanger hoses (1 and 2) with quick-release couplings
(Material provided by this website www.opelbook.ru)
Note: Genuine hoses are equipped with quick-connect connectors.
3. Remove the air supply hose to the passenger footwell (see Section 15).
4. Remove 3 screws (see accompanying illustration) and remove the heater heat exchanger cover.
19.4 Screws (1) for securing the heater heat exchanger cover
5. Remove the clamps (see accompanying illustration) heater pipe fasteners and disconnect the pipes.
19.5 Clamps (1) for fastening pipes 2 of heat exchanger (3) of heater
Note: Be careful - there may be some coolant left in the heat exchanger! Place a container underneath to collect the liquid or blow out the heat exchanger with compressed air beforehand.
6. Pull the heat exchanger out of the mounting socket and remove it from the vehicle.
7. Installation is carried out in reverse order.

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