Do diesel glow plugs stay on?
The glow plugs remain switched on during the post-heating time even if the engine is running. The length of the post-heating time is determined by the type of engine and the engine temperature. Only special “post-heating” glow plugs are used for this function.
What kind of glow plug does a Mercedes 300sdl have?
It started great when warm, but the glow plug light never came on. The car in question is a 1986 Mercedes 300SDL. Its Mercedes OM603 6 cylinder diesel engine. The trouble shooting we will do, also applies to the 4cyl and 5cyl diesel with the pencil style glow plug.
Can a bad glow plug start an engine?
When your glow plug goes bad, the signs will be more than obvious. Below are the top 5 symptoms of a failing diesel glow plug. It is possible to start your engine with a bad glow plug.
What should voltage be for glow plug in Mercedes?
First please test you battery with your multimeter. You need at least 12.5 volts with the car off and 13 volts plus when running. If this is not the case take care of the battery and alternator problem before going any further. The glow plugs like a lot of juice, and often wont work right if the voltage is low.
Are there glow plugs on a Mercedes OM603?
On the 4cyl and 5cyl diesels, the glow plugs are easy to get to. On the 6cyl OM603 they are a royal pain. Most people remove the intake to get to them, but I made good use of a 1/4″ drive set and u-joint to manipulate getting to the plug.
It started great when warm, but the glow plug light never came on. The car in question is a 1986 Mercedes 300SDL. Its Mercedes OM603 6 cylinder diesel engine. The trouble shooting we will do, also applies to the 4cyl and 5cyl diesel with the pencil style glow plug.
Why are the glow plugs not working on my Mercedes?
Glow plugs are rated for continuous duty without shutting off, and they don’t shut off when the engine is started, they do remain on. Ohm the the plugs, verify that they are in fact shorted out. If they are the stepped voltage (regulated reduction for after glow is not working).
On the 4cyl and 5cyl diesels, the glow plugs are easy to get to. On the 6cyl OM603 they are a royal pain. Most people remove the intake to get to them, but I made good use of a 1/4″ drive set and u-joint to manipulate getting to the plug.
What kind of engine does a Mercedes 300sdl have?
The car in question is a 1986 Mercedes 300SDL. Its Mercedes OM603 6 cylinder diesel engine. The trouble shooting we will do, also applies to the 4cyl and 5cyl diesel with the pencil style glow plug. So sit back and lets figure this out together……….. Safety and security tips: