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Frequently asked questions about cars and motorcycles

Timing Belt Replacement

Model: Hyundai Sonata EF - Years: 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Part: Timing belt

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Replacing the timing belt is a delicate operation, advisable only for experienced individuals. Obtain replacement belts, tensioner wheels, tensioners, the belt installation diagram, and special tools.

Start by removing the cover that needs to be taken off. Using a spanner and the appropriate tool, lock the pulley and loosen the tensioner. Leverage the tensioner to reduce tension and remove the belt.

Remove the bolts from the two tensioner supports and take them out. Replace the pulleys and tensioners with new parts, ensuring all components are correctly reassembled. Install the tensioners and new belts following the assembly diagram.

Refit the cover.


Updated on 7 February 2026 by ScegliAuto


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How to enter the radio code in the Opel Zafira?

In the Opel Zafira, it may happen that the radio locks and consequently requests the appropriate security code, especially after disconnecting or replacing the battery. The code can be found in the documents provided at purchase or through one of the various online recovery services. Once obtained, enter it by following the procedure shown in this tutorial. First, switch on the instrument panel, then press and hold both the "AS" button and the left knob for about 5 seconds. Next, enter the first digit by repeatedly pressing the "1" button, continue with the next 3 buttons, and save the setting by pressing the "AS" button again.

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