VOLKSWAGEN GOLF 2005 (01) PDF Document

The engine number on the VOLKSWAGEN GOLF 2005, which includes the engine code and serial number, is located at the front on the joint between the engine and the gearbox. You can also find this information on a sticker on the toothed belt guard and on the vehicle data sticker.

The technical data for the engine code BHY in the VOLKSWAGEN GOLF 2005 is as follows:

Displacement: 1984 cc

Output: 85 kW at 5200 rpm

Torque: 175 Nm at 4000 rpm

Bore: 82.5 mm

Stroke: 92.8 mm

Compression ratio: 10.5

RON: 95/91 unleaded

Injection, ignition: Bosch ME 7.5.1

Knock control: yes

Self-diagnosis: yes

Lambda regulation: yes

Catalytic converter: yes

Electronic power control: yes

When working on the fuel supply system of the VOLKSWAGEN GOLF 2005, observe the following: Route all lines (fuel, hydraulics, active charcoal filter system, coolant, refrigerant, brake fluid, vacuum) and electrical wiring in their original positions. Ensure sufficient clearance to all moving or hot components to avoid damage. When working on a full or partly full tank, use exhaust extraction if possible or a radial fan to remove fuel fumes. Prevent skin contact with fuel by wearing fuel-resistant gloves.

When working on the fuel supply and injection system of the VOLKSWAGEN GOLF 2005, follow these five rules: First, thoroughly clean all unions and adjacent areas before disconnecting. Second, place removed parts on a clean surface and cover them, avoiding the use of fluffy cloths. Third, carefully cover or seal open components if repairs cannot be carried out immediately. Fourth, only install clean, new components that were stored properly. Fifth, do not use compressed air when the system is open and avoid moving the vehicle unless necessary.

To check compression on the VOLKSWAGEN GOLF 2005, ensure the engine oil temperature is at least 30 degrees Celsius and the battery voltage is sufficient. Remove the engine cover and the upper part of the intake manifold. Pull the connector off the ignition output stage, remove the fuel pump fuse, remove the spark plugs, and depress the accelerator pedal. Using a compression tester, operate the starter until the tester shows no further pressure increase. The new compression pressure should be 10 to 13 bar, with a wear limit of 7.5 bar and a maximum difference between cylinders of 3 bar.

On the VOLKSWAGEN GOLF 2005, the engine is removed downwards together with the gearbox. Before starting, disconnect the battery earth strap, remove the engine cover, and air filter housing. You must detach various electrical connectors, including those for the ignition transformer, injectors, and sensors. The fuel supply line is pressurized, so wrap a cloth around the connection before carefully releasing the pressure. Drain the coolant and remove the left wheel housing liner. Remove the drive shafts, unbolt the exhaust pipe from the manifold, remove the pendulum support, and disconnect all remaining hoses and electrical connections. Use a suitable engine and gearbox jack to support and lower the unit from the vehicle.

Installation of the poly V-belt on the VOLKSWAGEN GOLF 2005 is the reverse of removal. Before installing, ensure all ancillary assemblies like the alternator and air conditioner compressor are secured tightly. Check the belt rotation direction and ensure proper seating in the pulleys. For vehicles without air conditioning, fit the belt on the alternator last; for vehicles with air conditioning, fit it on the compressor last. Always start the engine after completion to check the belt running.

For the VOLKSWAGEN GOLF 2005, always use coolant additive G 12. To drain, open the cap on the expansion tank, remove the noise insulation tray, and open the radiator drain plug. If there is no drain plug, release the quick-release coupling on the coolant hose. For filling, ensure the drain plug is closed. Use the cooling system charge unit if available, or slowly fill the coolant to the upper marking of the shaded field on the expansion tank. Fit the cap, run the engine at 2000 rpm for about 3 minutes until the radiator fan cuts in, then check the level and top up if necessary.

To tighten the cylinder head bolts on the VOLKSWAGEN GOLF 2005, use the following sequence: First, pre-tighten all bolts to 40 Nm. Next, tighten all bolts a quarter turn (90 degrees) further using a rigid spanner. Finally, tighten all bolts again a quarter turn (90 degrees) further.

For the VOLKSWAGEN GOLF 2005 manufactured before 05.99, use engine oil conforming to VW standard 500 00, 501 01, or 502 00. For vehicles from 05.99 onwards with LongLife service, use engine oils conforming to VW standard 503 00.

The oil dipstick for the VOLKSWAGEN GOLF 2005 has a maximum mark (1) and a minimum mark (2). The area above the hatched zone up to the maximum mark means do not add oil. The hatched field (b) indicates the oil is within the correct range for topping up. The area from the minimum mark up to the hatched zone (c) indicates the level must be topped up, with a maximum of 0.5 liters of engine oil allowed.

To check fuel pressure on the VOLKSWAGEN GOLF 2005, connect the pressure tester in place of the fuel supply line. Close the pressure tester cut-off tap, then switch on the ignition repeatedly until the pressure does not rise further on the gauge. The specification is 3.5 to 5.0 bar. If the pressure exceeds this, check the return line for kinks or blockages. If the pressure is not reached, check the delivery rate.