Golf 1 (1974-1984, diesel)
Golf 1 (1974-1984, petrol)
Golf 2 (1984-1993, petrol)
Golf 2 (1984-1993)
Golf 3 (1991-1997)
Golf 4 (1997-2004)
Golf 5 (2003-2008)
Diesel engine pre-heating system Volkswagen Golf 3
Diesel engine pre-heating system. general information
Due to the compression pressure in the cylinders of a diesel engine, the intake air heats up so much that the injected fuel ignites from it. This is how diesel works. But with a...
Due to the compression pressure in the cylinders of a diesel engine, the intake air heats up so much that the injected fuel ignites from it. This is how diesel works. But with a...
Two different pre-filament systems
According to engine type, on models «Volkswagen Golf/Vento» various pre-heating systems are installed. Both are quick pre-glow and post-glow systems, but there are differences in...
According to engine type, on models «Volkswagen Golf/Vento» various pre-heating systems are installed. Both are quick pre-glow and post-glow systems, but there are differences in...
Operation of the pre-glow system
All engines The heating process itself is divided into three phases. «Pre-glow»: with key turn «ignition» in the first position of the ignition switch you start the preglow...
All engines The heating process itself is divided into three phases. «Pre-glow»: with key turn «ignition» in the first position of the ignition switch you start the preglow...
Glow plugs
Inside the incandescent tube, which is located in the vortex chamber, there is a glow plug coil in the insulator. They, during preliminary incandescence, heat the filament tube to...
Inside the incandescent tube, which is located in the vortex chamber, there is a glow plug coil in the insulator. They, during preliminary incandescence, heat the filament tube to...
Troubleshooting in the pre-glow system
If only one of the glow plugs is faulty, this is best determined with a cold engine. While the fuel in all other cylinders has already ignited, the cylinder with the defective...
If only one of the glow plugs is faulty, this is best determined with a cold engine. While the fuel in all other cylinders has already ignited, the cylinder with the defective...
Glow Plug Troubleshooting Sequence
The first step is to check if the 50A fuse tape is in order. If everything is in order, check if the voltage is suitable for the glow plugs. If no faults are found in the voltage...
The first step is to check if the 50A fuse tape is in order. If everything is in order, check if the voltage is suitable for the glow plugs. If no faults are found in the voltage...
Checking the fuse (all engines)
open lid (2) small fuse box. Check if the fuse tape is not corroded or melted. Replace defective fuse strip (1) 50 A for a new one (part number N 0171251).
open lid (2) small fuse box. Check if the fuse tape is not corroded or melted. Replace defective fuse strip (1) 50 A for a new one (part number N 0171251).
Checking the voltage supply (all engines)
Whether glow plugs are supplied with voltage at all is checked as follows. Connect test lamp between ground and voltage cable (red-white) on the glow plug Remove the plug from the...
Whether glow plugs are supplied with voltage at all is checked as follows. Connect test lamp between ground and voltage cable (red-white) on the glow plug Remove the plug from the...
Checking glow plugs (all engines)
The only truly effective test for glow plug performance is a visual check: Remove fuel lines and injectors (for re-installation, use a new heat-insulating gasket). Using a wire...
The only truly effective test for glow plug performance is a visual check: Remove fuel lines and injectors (for re-installation, use a new heat-insulating gasket). Using a wire...
Checking the pre-glow relay
The glow plug relay for the 47 kW suction motor is located on plug 12 (arrow) bottom right on the center block. On fig. marked with the number 12. Location of contacts of the...
The glow plug relay for the 47 kW suction motor is located on plug 12 (arrow) bottom right on the center block. On fig. marked with the number 12. Location of contacts of the...
Checking the glow plug relay (55 kW turbodiesel)
The glow plug relay is a simple changeover relay. For check: Remove left lower instrument panel trim (chapter «The interior of the cabin»). Check glow plug relay as described in...
The glow plug relay is a simple changeover relay. For check: Remove left lower instrument panel trim (chapter «The interior of the cabin»). Check glow plug relay as described in...
Checking the automatic glow time control device (55 kW turbodiesel)
For a turbodiesel with a power of 55 kW, an automatic glow time control device (1) attached to an additional adapter in the upper half of the central unit On plug N12, the glow...
For a turbodiesel with a power of 55 kW, an automatic glow time control device (1) attached to an additional adapter in the upper half of the central unit On plug N12, the glow...
Checking the temperature sensor of the pre-glow system (all engines)
The temperature sensor can be checked in the removed state with an ohmmeter. This is enough to determine the truth: Remove the temperature sensor plug. Connect the two test leads...
The temperature sensor can be checked in the removed state with an ohmmeter. This is enough to determine the truth: Remove the temperature sensor plug. Connect the two test leads...
Pre-glow indicator lamp does not light up
All engines If the engine is so warm that it can start without pre-glow, the pre-glow indicator lamp will of course not come on. With a cold engine, it should light up when the...
All engines If the engine is so warm that it can start without pre-glow, the pre-glow indicator lamp will of course not come on. With a cold engine, it should light up when the...
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Golf 5
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