Just trying to get my head around this - in Mary, the glow plugs work fine and dandy 95% of the time. It is the "other 3%" that bothers me. No problems when it has been sitting for a couple of hours, or when the engine is hot. Light comes on, glow plugs heat up, and away we go. But, every now and then, when you least expect it, no light, and I have to start it via compression. Now, I have set of glow plugs laying around so it would be easy to change them out. But, that would not solve the mystery, and you know how much we like to solve mysteries.
BTW, here is another mystery. Yesterday I changed the oil and filter in Mary - and dropped one of the nuts holding down the oil filter cap. The mystery is "where do all of these dropped nuts and bolts go when they fall down into the dark recesses of the engine compartment. Maybe everything should be chromed so they are visible. But, it proved once again how important it is to order an inventory of nuts and bolts and keep them handy. Of course, once I put a new nut on the cap and moved the car, I found the old nut laying on the ground.
brian from laverne, ca
Mary (195K) Martha (280K)
1983 w123 300d's
Mary (195K) Martha (280K)
1983 w123 300d's
From: "okldboy@yahoo.com" <okldboy@yahoo.com>
To: "czulli@gmail.com" <czulli@gmail.com>; "diesel_mercedes@yahoogroups.com" <diesel_mercedes@yahoogroups.com>
Sent: Friday, July 12, 2013 7:19 AM
Subject: RE: [diesel_mercedes] Glow plug issues
| Hi all Mine did this and replacing the glow plugs cured it. Does not make sense to me that the light would work intermittently but nevertheless replacing them worked. Car also started better and idled more smoothly. Andrew Sent from Yahoo! Mail for iPhone |
From: Chip <czulli@gmail.com>;
To: <diesel_mercedes@yahoogroups.com>;
Subject: [diesel_mercedes] Glow plug issues
Sent: Tue, Jul 9, 2013 2:29:03 PM
| So...I had been having this recurring problem of burning out the 70A fuse block on my relay every few weeks in my 1982 300CD turbo. I probably put in 8 different fuses in a 6 month period of time. Then I got to looking at the two screw mounts for that fuse bar and found one of the two screws with a good but of tarnish and corrosion. I took out the screw and both washers and really polished them back to new again along with the copper bottom of the relay itself. Put it all back together and I have not had to replace the fuse link since. It has been maybe 6 months of the 70A bar fuse holding without replacement. But...there are now occasions when my glow plug light on the dash will not come on. On those occasions I have to start the car without the aide of glow plugs and it takes a good bit of fast cranking before she fires up. (good thing I live in Houston in this summer heat) So I am still thinking it is something in the relay that does not always get power over to the glow plugs or the ignition might not be feeding power to the relay block. I would love to have some ideas from the board about what might be going on. Chip Houston |
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