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#1
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Trans shifts too soon...
JimmyL just stopped by to pick up his GP reamer and we took a peak under my hood. I mentioned that my only driveability complaint is being in 4th gear by 30 mph under most throttle application, 45 mph if I'm pushing the carpet. It shifts out of first before 10 mph so any "need for speed" is met with my manually shifting. Jimmy looked at the vac line from the top of the IP and said it looked as if it were getting direct vacuum rather than restricted/modulated thru the green check valve(?) above the IP. Everything looks like OE set up.. Any suggestions ?
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? |
#2
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If memory serves me correct, there is some adjustment on the "Bowden" cable that partially controls this. Try searching the DIY section for that and maybe the diesel forum itself.
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2003 Dodge Ram 2500 Cummins - Georend fully built trans, Banks Big Hoss Bundle, Smarty Tuner, 5" turbo back exhaust. 500 HP and 1100 ft/lbs to the ground. 1979 Mercedes-Benz 300CD - Lost to a four car pile up on 275, Thank You Michigan Drivers. 1986 Mercedes-Benz 300D - Sold, Euro non-turbo car. |
#3
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Whoops, yea I forgot about the Bowden cable, but was thrown off when I saw the vac line that goes from the VCV on the IP go into a splitter, then one side goes down to tranny. The other side is connected to full vacuum, which would negate the control of the VCV.
Right?
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#4
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Found a link but it says the "White knob" is by the oli cooler on the left side of the engine.. Maybe that meant "oil filter housing" ?
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? |
#5
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That sounds like the primer pump to me!
Look at your linkage on top of the valve cover....there is a flat pivoting metal plate...right in there you should see a white plastic threaded screw adjustment...that is your Bowden cable. It will help you adjust your shift points. I THINK...clockwise is later shifts and counter clockwise shifts sooner....or else it's the other way around! Either way, give it two full turns (count your turns) and see what happens. If you went the wrong way, turn back two turns + 2 turns more. Once you get close to where you like it, even a 1/4 turn can be felt when driving the car. It is really pretty neat, you can actually "tune" your shifts to your style of driving....nice and easy old fart (me) or throtle wide open hammer head! Just play with and you'll see what I mean.
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Mark 1983 300TD Wagon Even a broken watch is right twice a day |
#6
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Thanks neighbor.. I knew the poster couldn't have meant the primer pump.. lol. I thought it wasd under the filter housing..
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? |
#7
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Vacuum deals with the hard/softness of shift and the bowden cable deals with when it shifts.
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1977 300D Lost coolant while someone else was driving 1983 300D Can't run without oil 1985 300SD (gone but not forgotten) 1990 300TE 4matic Sold 1991 Yamaha Venture 1975 Kawsaki 250 triple 1974 Honda 200CL 1951 8N Ford 2008 Wildfire 650C |
#8
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Yeah. I don't have issues with the harshness. Frankly, I like the firmness just the way it is. Firm shifts = Less Slippage. I'm just sick of having to play Paddle Shifter... lol.
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? |
#9
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WOW !! I'm driving a brand new 83 300SD !!! Soooooooo much better now.
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? |
#10
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Quote:
Get that oil cap gasket and put the dealership pressure washer to work. You can also better judge that oil cooler line ooze. I can't believe I went brain dead today on the Bowden cable. I had my vacuum blinders on..... I fought that '80 tranny vacuum so much I just had tunnel vision. Was it cw to delay the shifts?
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#11
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CW ? It is the upper cooler hose but as far as the rest, I have a bottle of Simple Green and the pressure washer out back to wash the remaining PB Blaster off the engine. My parts guy got be both cooler lines for $120. They should be here today so I'll probably come down here early Saturday morning and change them, the oil and the filler cap then wash it down..
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? |
#12
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Clockwise. Sounds like a good plan. I think you will greatly enjoy using the lift for that job.....
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#13
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Ah.. Mine had sooo much slack that I'm amazed it shifted at all. The trans was replaced at 208K according to the previos owner. Probably been that way since. Turned it towards the passenger side first - no improvement so I turned it probably 7-8 turns to the drivers side - SUCCESS. I'll probably back it down a turn today tho... I started spraying the cooler lines last week along with the glow plugs. I already tried the upper hose at the cooler and it came off without too much force so I'm hoping the other connections do the same.. I'll stop at Wally-Mart tonight for my 5/40 Rotella...
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? |
#14
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CLOCKWISE?? OR COUNTER-CLOCKWISE?? As in the Bowden cable adjustment...which way did you turn the adjusting screw to make it do what??
Others may want to know before trying it. I never can remember! Although, it is about the easiest adjustment ever on a auto.
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Mark 1983 300TD Wagon Even a broken watch is right twice a day |
#15
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I'd assume it would be different from car to car depending on how far out yours is, but mine was towards the drivers side so, Clockwise when looking at it from the front.
To make it do what - As in my original post, under most conditions, I was in 4th gear by 30 mph. The 1-2 shift happened at about 5mph even when pressing carpet and flooring it at 40 mph would not produce a kickdown to 3rd gear. I'd have to manualy hold gears or downshift. Adjusting the cable got rid of that. Now half throttle takes 1st to about 25 mph, 2nd to 35, 3rd to 50. And if I slow to 40 mph and resume speed, it will kick down to 3rd.
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Sharing my partner's 2012 Forte 5dr SX til I find my next 123 or 126.. - Do I miss being a service advisor ??? Last edited by AdvisorGuy; 02-19-2008 at 10:33 AM. |
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