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Mercedes 300D Suggestions

2231 messages,  Last post on Nov 11, 2009 at 9:21 AM

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What is this discussion about? Mercedes-Benz 300-Class, Engine, Fuel System, Diesel, Coupe, Sedan

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#2203 of 2231 Re: No upshift to 4th gear when in d position [benzsilver] by burdawg Aug 04, 2009 (9:02 pm)
Replying to: benzsilver (Aug 04, 2009 5:49 pm) I'll wager that with the new grommet the adjustment is just off enough to keep it out of overdrive. When you shift it manually the inertia of the upshift may be enough to move the shifter a little bit more than when you just start out in D. Try starting out in drive and wiggling the shifter back and forth to see if it will go into overdrive when expected.
#2204 of 2231 Re: Inconsistent Shifting Problem [Mr_Shiftright] by benzsilver Aug 23, 2009 (6:40 pm)
Replying to: Mr_Shiftright (Jun 24, 2008 5:54 pm) Mr Shiftright..I recently replaced the back groumet (transmission) on my mb300 cdt after having replaced the front one a year ago. When I replaced th front one the trans continued to work well, however when I replaced the back one, the transmission will not go thru its changes to 4th gear. P,R,&N seem to work as they should. I can get the gear to change from 1s t to 2nd by placing the gear lever in N then moving selector to L, the to maybe get it to go to 3rd gear again moving selector back to N the back to D. It sometimes down shifts to L but generally will stay in 3rd, however if I move the lever back to N then back to D, it does not go into D or 4th gear. If I have to stop, I have to repeat the process. I know this is probably good for the trans. The trans has never given me any problems until I changed(replaced) the back groumet(Linkage connecting the floor shifter) I have not been able to find any instructions as to how to adjust the linkage. Please help. billfletes-srlive.com
#2205 of 2231 adjusting auto trans, floor shift model by Mr_Shiftright HOST Aug 23, 2009 (7:15 pm)
Loosen the locknut and disconnect the selector rod from the bottom of the selector lever. Then place the selector lever on the transmission and the shift lever in the vehicle to Neutral. Then adjust the length of the selector rod so that it can be reconnected without disturbing the levers. Reconnect the selector lever and tighten the nut securely.
#2206 of 2231 1984 Mercedes 300D Turbo by wineguy321 Aug 31, 2009 (2:04 pm)
I just replaced the battery and the security horn will not turn off until 30 seconds or so. I ran the car to charge the vacuum system so the locks will work and turned the car off. I locked the doors, unlocked the doors, and started the car but the horn started to go off again. Any ideas on hoe this will stop?   -Ryan Replies to this message: Mr_Shiftright (Aug 31, 2009 2:21 pm)
#2207 of 2231 Re: 1984 Mercedes 300D Turbo [wineguy321] by Mr_Shiftright HOST Aug 31, 2009 (2:21 pm)
Replying to: wineguy321 (Aug 31, 2009 2:04 pm) Probably when you tear out the alarm system and throw it over your back fence. That's what I'd do, anyway.
#2208 of 2231 1982 300TD engine will not stop... by jameslei Sep 14, 2009 (7:04 pm)
Engine will just not stop unless I raise the hood and press on the button marked STOP. 'Erwin' (the car) is a real work horse but when thumping on the closed hood and shouting in German finally failed to stop the engine, I figured I needed help. I assume the problem is something to do with the dratted vacuum system; maybe there is a leek in one of the lines to one of the FOUR doors. I can do without central locking, and wondered if there were a SIMPLE way of fixing things so the engine will stop when I turn the ignition key to the off position? With many thanks. James Replies to this message: brillanze (Sep 14, 2009 7:22 pm) jameslei (Sep 15, 2009 6:12 am)
#2209 of 2231 Re: 1982 300TD engine will not stop... [jameslei] by brillanze Sep 14, 2009 (7:22 pm)
Replying to: jameslei (Sep 14, 2009 7:04 pm) http://www.dieselgiant.com/repairyourshutoffvalve.htm   Follow that link -he uses pictures, too! (And he sells the parts -only took a couple of days to get them). Easy job-Good luck! Replies to this message: jameslei (Sep 15, 2009 6:12 am)
#2210 of 2231 Re: 1982 300TD engine will not stop... [brillanze] by jameslei Sep 15, 2009 (6:12 am)
Replying to: brillanze (Sep 14, 2009 7:22 pm) Thank you kindly Brillanze; I will follow up your helpful suggestions. James.
#2211 of 2231 300d 1987 rough idle by bbiofuels Sep 15, 2009 (7:18 am)
Hi This is my first post so howdy. My 300d really shakes at idle. It smooths out when i apply my foot to the accelerator and increase the rpms but its probably too high like 1000 . I got a replacement vacuum boost hose that runs from the vacuum pump to the brake booster because the little tap broke off. I do remember when that little piece was good and I would remove it, that the idle would drop. Now it doesn't seem to affect the idle at all??? Any suggestions. I'll probably get a gauge to read the vacuum. 1st step. Replies to this message: Mr_Shiftright (Sep 15, 2009 7:24 am)
#2212 of 2231 Re: 300d 1987 rough idle [bbiofuels] by Mr_Shiftright HOST Sep 15, 2009 (7:24 am)
Replying to: bbiofuels (Sep 15, 2009 7:18 am) If you had a big vacuum leak, chances are your door locks wouldn't work and your engine wouldn't shut off.   But if you have low vacuum, I'd do a valve adjustment pronto. Also check your air filter for oil fouling, a common problem on these old diesels because of engine blowby from years of internal wear.

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