How to replace glow plugs on Mercedes injection pump?
Keep the lines together as a set and place them in a clean area. Cover the injection pump outlets with a towel or tape them over to keep debris out. 2. Remove the 8mm nuts that hold the wires to the glow plugs. The wires have a tendency of spinning when you turn the nut.
How big is the thread on a Mercedes glow plug?
These have looped tips and a larger thread with a 17mm head. Parallel style 1980 thru the 90’s will have a standard looking insulated wire with connectors on the ends. These are pencil style fast glow type with a smaller thread and a 12mm head.
What to do if you break glow plug?
Remove the 8mm nuts that hold the wires to the glow plugs. The wires have a tendency of spinning when you turn the nut. If they spin too far the wires can become damaged. Avoid damaging the wire and connector by holding the insulator and connector with the needle nose pliers while you break the nut loose. Don’t lose the nuts.
Can a glow plug be pulled out of a car?
Usually the old glow plugs will pull right out with a little effort, however if the carbon build up is too great they can become stuck. Grab the plug with a pliers or vise grip and twist as you pull, use a little leverage if you need too, but make sure you have the plug turned all the way out so you don’t damage the threads.
Keep the lines together as a set and place them in a clean area. Cover the injection pump outlets with a towel or tape them over to keep debris out. 2. Remove the 8mm nuts that hold the wires to the glow plugs. The wires have a tendency of spinning when you turn the nut.
These have looped tips and a larger thread with a 17mm head. Parallel style 1980 thru the 90’s will have a standard looking insulated wire with connectors on the ends. These are pencil style fast glow type with a smaller thread and a 12mm head.
Remove the 8mm nuts that hold the wires to the glow plugs. The wires have a tendency of spinning when you turn the nut. If they spin too far the wires can become damaged. Avoid damaging the wire and connector by holding the insulator and connector with the needle nose pliers while you break the nut loose. Don’t lose the nuts.
Usually the old glow plugs will pull right out with a little effort, however if the carbon build up is too great they can become stuck. Grab the plug with a pliers or vise grip and twist as you pull, use a little leverage if you need too, but make sure you have the plug turned all the way out so you don’t damage the threads.