How often do you cycle glow plugs on Mercedes?
The engine turns over as fast a usual, starts on the second or third try, starts right up if I cycle the glow plugs two or three times. After its warm, starts right up. Sounds like glow plugs, lets get started.
What’s the best way to replace glow plugs?
(Optional) If you have a reaming tool clean the excess carbon from the pre-chamber using the reamer and brush. Insert the reamer in until it bottoms out then remove it and run the brush in the hole. This step will extend the life of your glow plugs and help them heat the chamber more efficiently.
What kind of wire do glow plugs have?
Series style glow plugs thru 1979 (except SD only to 1977) will have a thick wavy solid bare metal wire connecting the plugs together. 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.
How long do Bosch glow plugs last for?
Off brand plugs don’t last as long and straight edge plugs like AC Delco can swell at at the tip making them fail and almost impossible to remove. The Bosch are inexpensive and last as long as anything we’ve used. Series style glow plugs thru 1979 (except SD only to 1977) will have a thick wavy solid bare metal wire connecting the plugs together.
The engine turns over as fast a usual, starts on the second or third try, starts right up if I cycle the glow plugs two or three times. After its warm, starts right up. Sounds like glow plugs, lets get started.
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.
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.
(Optional) If you have a reaming tool clean the excess carbon from the pre-chamber using the reamer and brush. Insert the reamer in until it bottoms out then remove it and run the brush in the hole. This step will extend the life of your glow plugs and help them heat the chamber more efficiently.
What’s the glow plug light on my Mercedes ML 270?
The glow plug light on the dash of my 2003 ML 270 has started staying on after the engine has started. It seems to stay on for about a minute after driving off and then goes off and doesn’t come back on until I stop the engine and start again. It has done this a few times in the last couple of days but not all the time.
Can you replace the glow plug on a Mercedes Benz?
VERY DIFFICULT to try and do yourself, best left to the experts. If you do try to replace yourself, ensure the engine is as hot as possible before trying to remove. VERY DIFFICULT to try and do yourself, best left to the experts. Click to expand…
Why is the glow plug warning light still on?
Same thing happened on my Eclass 280 cdi. main dealer could not get the old plugs out as they had seized into the block The light is still on and the advice the dealer gave me was leave it alone as the engine still starts. Not good
What should I use to tighten glow plugs?
Apply a small amount of anti-seize compound to the threads of the glow plugs before you install them. Start the threads by hand to avoid cross threading and turn them in as far as you can, should be two or three turns. Finish the tightening sequence a wrench, cinching them down about as tight as you would a spark plug, do not over torque.
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.
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.