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#1
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300 turbodiesel starting and shifting problems
1985 300 Turbodiesel
Symptoms: Car will not start in park Car will start in neutral Car will not shift into reverse from neutral after it is started Car will shift into reverse after it is started from neutral and then shifted to park and then to reverse When car is put in park after engine is shut off it can still be moved by pushing it, emergency brake use is a must. What is wrong? I think it must need a new neutral safety switch. Is that what is causing the symptoms I’ve described? If not what else might it be? Where is the neutral safety switch? My Alldata DIY says it’s on the left hand side of transmission in the rear, but I couldn’t seem to locate it. Do you access it from the top or underside of car? |
#2
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im not a pro but maybe your shifting problems are related to the vaccume module thing on the transmission
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Quote:
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#4
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is your shift linkage tight and firm or loose adn sloppy? something is loose and you need ot find out what it is...if its bushings or the swich itself...
__________________
Proud owner of .... 1971 280SE W108 1979 300SD W116 1983 300D W123 1975 Ironhead Sportster chopper 1987 GMC 3/4 ton 4X4 Diesel 1989 Honda Civic (Heavily modified) --------------------- Section 609 MVAC Certified --------------------- "He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche |
#5
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Methinks your selector rod is badly misadjusted. Both it and the NSS (which I think is OK) are accessed from underneath , on the drivers side of the tranny.
__________________
80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??) |
#6
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Quote:
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#7
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I think you Neutral Safety Switch is suspect here and the linkage to the shifter. I had to replace my NSS not too long ago as I replaced some bushings on the shifter and something inside the NSS broke...i don think it got bothered all that much but 25 year old plastic...killed it...
check the linkage position if that doesnt work..check your NSS...I had to start my car by turning the keys on..then popping the hood and hitting the starter wire from the dist. block on the passenger side of the engine compartment... |
#8
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Start by fixing the shift linkage. Those bushings are really cheap, even from the dealer.
__________________
'82 300SD - 361K mi - "Blue" "Good judgement comes from experience. Experience comes from bad judgement." listen, look, .........and duck. |
#9
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Thanks everyone.
Replaced neutral saftey switch and a couple of bushings and it both starts and shifts fine. |
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