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I have an issue with my daily driver. It is starting to get cold here in New England and would like to solve as quickly as possible. I am pretty handy mechanically but eletrical problem solving is not my forte so hopefully someone else can suggest some things to look at.
I just purchased some rebuilt injectors (the Monarchs on this site) and replaced them over the weekend. I did a valve adjustment while i was at it. Put everything back together and she started up after some cranking, but it didn't fix the very rough running of the engine. I'm happy to have the new injectors in there as I was due for them, but now I have to run down the problem. Think it could be the injector pump? Seems like a cylinder may not be getting fuel, or perhaps very little fuel. How can I check to see if the injector pump is working properly (or any other ideas)?
Since my 240D's alternator clearly wasn't charging anymore, I figured I first better replace the voltage regulator. The old regulator was clearly shot, and I got the new one in. Now the alternator is charging fine, but it is also making an intermittent loud squealing noise - especially when accelerating. Any chance this noise will go away or diminish as the new brushes "break in", or is it time for a new alternator?
I recently changed the glow plugs and reamed out the carbon on my 1984 300D with 129,000 miles on it. At this time, I also did a valve adjustment as I was told all of this would help with hard starting in the winter. Well, it has helped and the car has more power also. The valves were very tight and I had never adjusted them over my 15 years of ownership. Anyway, now my fuel mileage seems to have gone way down. I used to get around 22-24 with daily driving and around 28-30 on the highway. On a recent trip, I was getting 20 MPG on the highway. Any ideas as to why?
At the end of a from a trip of about 4 hours, I noticed a very harsh knocking sound coming from the right rear wheel area of my 1984 300D every time I took off from a stop. It sounded like the axle or wheel would fall off. It stopped after I arrived and parked it over night. At the end of the return trip, it started again and continued every time I took off from a stop. The next evening, I got under the car and checked axles, U-joints, drive shaft carrier bearing, wheel bearings, differential oil level and could find nothing definitive.
Flooring the accelerator pedal does not engage the kickdown switch on the automatic transmission. The pedal reaches its stop before the rod under the pedal can depress the switch. I tested the switch and it is good. Can I adjust the control pressure rod to allow more accelerator movement without damaging the transmission or throwing it out of adjustment? Is this adjustment easy to do?
