Re: [diesel_mercedes] Smooth As Silk Again

 

Likely just a bad connection somewhere in the glow plug connection chain. A little sandpaper on the contact surfaces of the wires and plugs is your friend here. If the light came on after you pulled them and reinstalled them then it is likely that you improved the bad contact just by rubbing the contacting surfaced against each other. Clean contact surfaces are everything in these systems.

For what it's worth, I put my custom adapters in my OM616 jeep engine and they work a treat. But they use GM glow plugs now instead of Bosch ones. But 4 seconds and they are warm enough to start.

Bogy.
 
"Hardware eventually fails. Software eventually works"                 - Michael Hartung


From: "Max temple jasperezra@gmail.com [diesel_mercedes]" <diesel_mercedes@yahoogroups.com>
To: "diesel_mercedes@yahoogroups.com" <diesel_mercedes@yahoogroups.com>
Sent: Wednesday, September 21, 2016 3:43 PM
Subject: Re: [diesel_mercedes] Smooth As Silk Again



How long does it take to take out a set of injectors? I've had a starting deal(not really a problem) on my 240 auto, sometimes when I turn the key to glo, the glo light wont come on. I've found out no light, no glo, no start unless warm. I had no idea what to do, but for some reason I popped the lid off the glo junction deal under the hood, looked at it for a while, then popped off the two 4 plug plugs, looked at them for a while, put them back on, tried the key, saw the light was on and instant start. This car sits around most of the time. Any suggestions? max


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Re: [diesel_mercedes] Smooth As Silk Again

 

How long does it take to take out a set of injectors? I've had a starting deal(not really a problem) on my 240 auto, sometimes when I turn the key to glo, the glo light wont come on. I've found out no light, no glo, no start unless warm. I had no idea what to do, but for some reason I popped the lid off the glo junction deal under the hood, looked at it for a while, then popped off the two 4 plug plugs, looked at them for a while, put them back on, tried the key, saw the light was on and instant start. This car sits around most of the time. Any suggestions? max

On Tue, Sep 20, 2016 at 6:47 PM, vwnate1@yahoo.com [diesel_mercedes] <diesel_mercedes@yahoogroups.com> wrote:


Tom came by to - day with some cleaners and I broke out my Pop Tester and tested all seven of his Junk Yard injectors, not a one was any good at all and several were appallingly bad .


Then I dug out my box of Junk Yard injectors and tested all of them, was able to make a set of five decent (good spray patterns, pop between 130 ~ 133 BAR, no droolers)  for his '81 300SD that's been sidelined for most of this year due to excessive smoking , hard starting and poor idling .


I also gathered up a set of seven near new BOSCH (France) glow plugs as I know at least two of his glow plugs are bad .


It turns out some of the injectors I'd collected had been rebuilt or shop overhauled at previous times ~ one was a VW/Audi (!) that had the incorrect BAR number covered with a printed band, another was God alone knows what , many different brands of vehicles use BOSCH fuel injection systems so you *can* swap the nozzles, shims and springs to make them work n whatever vehicle you're working on but I'm a picky Junk Yard dog and I really dislike mixed brand / number parts so I'll prolly trade them in on some rebuilts or something .


Of late the '82 240D has been idling poorly and smoking fuel at idling so I decided to yank all four injectors and test them and the four 240D injectors I bought in the Albuquerque Self Service Yard , all in my '82 were off spec. , two were droolers with crappy spray patterns , two of the Albuquerque injectors were passable , two were horrible, no wonder the car had a freshly installed rebuilt starter motor and new glow plugs ~ I got those too .


Anyway , I took the best four injectors from my set of eight and installed them, replaced the dirty (yes,AGAIN) clear plastic fuel screen, primed the system and fired it and  and Lo ! it idles smoothly again , has vastly improved throttle response and best of all : MORE POWER ~ always a good thing when working with a low power (? 50HP ?) four cylinder engine .


I'm jazzed to say the least, SWMBO's car should now get better fuel economy and not stall on the cold starts as it's been doing occasionally for several months now .


Don't think I'm done here yet 'cause I'm not ~ none of yhe turbo injectors pops @ the correct 135 BAR and the NA injectors all pop slightly under 115 BAR .


They have to be *perfect* for the car to run really sweetly .


I know a guy who'll clean and shim me a set of my old injectors to within 5 # of each other, I need to collect some more cores before I do this .


Miserably hot and humid in Los Angeles to - day but I'm pleased with the works done =8-) .


-Nate




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Posted by: Max temple <jasperezra@gmail.com>
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