When did the 300D series of glow plugs come out?
Fits the Following, 1975 to 1976 ONLY 115 chassis 300D and 123 chassis 300D 300CD and 300TD from 1977 to 1979 with series style loop glow plugs. SVO / WVO applicable. If you are tired of glow plug problems, then this kit is made for you.
Is the glow plug on the W115 300D replaceable?
In the manual a reference is made concerning the glow plug fuse on the firewall. This information will NOT apply for the W115 300D. It does not have that fuse arrangement. There is no replaceable fuse for the glow relay. 2. The 1975 and 1976 300D has a very large temperature sensor that GROUNDS the circuit for the old series style plugs.
Do you need glow plug upgrade for 5 cylinder diesel?
If you own an early 5 cylinder non-turbo diesel then this is a must have diesel engine kit! This glow plug upgrade will do three things that will put a smile on your face: 1. Your engine will start faster and cold idle smoother. 2. Your glow plugs will last longer.
What is the temperature sensor on a 1975 300D?
The 1975 and 1976 300D has a very large temperature sensor that GROUNDS the circuit for the old series style plugs. This sensor DOES NOT supply power to the glow plugs but rather grounds the circuit for longer periods when the engine is cold.
Where is the glow plug relay on a Mercedes?
The glow plug relay is the silver box slightly left of the steering column. Turning the key on, I could hear the relay clicking on, and turning the key off I could hear it click off. The relay does not turn off by itself if the key is left in the ignition, and not turned to start.
What happens to the glow relay when the engine is hot?
This sensor DOES NOT supply power to the glow plugs but rather grounds the circuit for longer periods when the engine is cold. When the engine is hot it shortens the glow cycle by cutting out the ground to prevent overheating the plugs and over stressing the glow relay when the original series (loop style) plugs installed.
Fits the Following, 1975 to 1976 ONLY 115 chassis 300D and 123 chassis 300D 300CD and 300TD from 1977 to 1979 with series style loop glow plugs. SVO / WVO applicable. If you are tired of glow plug problems, then this kit is made for you.
In the manual a reference is made concerning the glow plug fuse on the firewall. This information will NOT apply for the W115 300D. It does not have that fuse arrangement. There is no replaceable fuse for the glow relay. 2. The 1975 and 1976 300D has a very large temperature sensor that GROUNDS the circuit for the old series style plugs.
This sensor DOES NOT supply power to the glow plugs but rather grounds the circuit for longer periods when the engine is cold. When the engine is hot it shortens the glow cycle by cutting out the ground to prevent overheating the plugs and over stressing the glow relay when the original series (loop style) plugs installed.
If you own an early 5 cylinder non-turbo diesel then this is a must have diesel engine kit! This glow plug upgrade will do three things that will put a smile on your face: 1. Your engine will start faster and cold idle smoother. 2. Your glow plugs will last longer.