How to change the Great Wall h5 glow plug?

If the glow plug is too tight during disassembly, don't take it. You can pour some diesel oil or kerosene and soak it for a while before taking it, which will make it easier to take it in large quantities. If the glow plug is not broken, do not loosen it during maintenance to prepare for the next replacement. The diesel engine glow plug does not need to be replaced regularly. If the preheating plug is broken, the preheating indicator light on the instrument panel will always be on under normal circumstances.

Introduction of preheating plug

The fixed position of the preheater is at least 20 to 40 cm below the water tank cover, so that the preheater will not dry and damage the machine due to lack of water. The distance between the installed preheater and the automobile fuel pipe and brake pipe shall not be less than 10 cm, and the outlet of the preheater shall be higher than the inlet. The water inlet of the preheater can be connected with the drainage hole of the vehicle body, and the water outlet of the preheater is connected with the hot air water supply pipe.

There are generally four engine glow plug, which are distributed in parallel on the side of the engine. If it is necessary to replace them by yourself, you can remove some parts that hinder the replacement of glow plug. Replacing glow plug requires an extension sleeve tool. After being removed in sequence, you can use a multimeter to measure the resistance in turn, so that you can know which glow plug is broken.

If the resistance is infinite, it means an internal open circuit; If the resistance is zero, it means an internal short circuit. Installation can be carried out in the reverse order of disassembly.