ATTENTION: When performing installation work, especially in the engine compartment due to its dense layout, the following rules must be observed. Highways of all types (e.g. fuel, hydraulic, activated carbon absorber, cooling system, air conditioning circuit, brake system, vacuum), as well as electrical wires must be laid as they were originally laid. Sufficient space must be provided when working on all moving or hot parts.
Note: When the engine is warm, the cooling system is under pressure. Relieve pressure before repair if necessary. Spring clamps are used for hose connections. When repairing, use only spring clamps. Loosely position the cooling system hoses before installation so that they do not come into contact with other parts (Observe markings on hose and connection). Check the cooling system for leaks using the cooling system tester -VAG 1274/-. expansion tank adapter -VAG 1274/8- and cap adapter -VAG 1274/9-.
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