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I have a new bike with Nexus 3 speed shifting..It will not shift into the 3rd gear....I need instructions on how to adjust it...Is there a manuel available showing step by step adjustment procedures......Thanks

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Http://www.totalbike.com/web/repair/

bike.shimano.com/.../17)%20Inter%208%20ohaul.pdf
(this is for 8 speed but same concept)

Those are two places to get the schematics, and service manuals. I would check your derailer to make sure it is not bent causing the gear not to change.

Posted on Sep 03, 2010

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I have a 1998 dodge Grand Caravan with codes P0700,P0734 & P0733. What does this mean?


P0700 is a informative transmission code, about some problem there; the P0733 and P0734 is the specific problem there.
I would first try changing the fluid and filter. Although the fluid may look like it is brand new, with 100K on the fluid, I can assure you that even if those miles were all highway at steady speed and no load that the fluid has deteriorated and no longer lubricating the internal parts properly and that there is some debris in the ******.If codes return and shifting problems are still present, there is definite internal failure, possibly the pump or in the clutches.
DTC P0733The powertrain control module (PCM) uses the crankshaft position (CKP) sensor, input speed sensor (ISS) and output speed sensor (OSS) to determine engine speed, input shaft speed and output shaft speed. These sensor readings are used to determine the current gear ratio and RPM slip across the torque converter. The PCM uses this information from the sensors to determine if the commanded gear matches the actual gear. During normal driving conditions, the PCM will adapt main line pressure via the pressure control (PC) solenoid to prevent slipping and harsh shifts. Shift solenoid 3 is used to apply or release third gear clutch. The PCM controls 3rd gear by controlling the ground for shift solenoid 3. The PCM will turn the solenoid OFF, open the driver circuit, when 3rd gear is commanded On to apply 3rd clutch. Shift solenoid 3 is supplied ignition voltage from the fuel pump relay whenever the PCM commands the fuel pump relay ON. DTC P0733 sets when 3rd clutch still slips after the PCM has commanded high main line pressure.DTC Parameters
DTC P0733 will set if the PCM detects an incorrect actual 3rd gear ratio when 3rd gear is commanded On when:- The condition exists for longer than 3 seconds (2001)*- The condition exists for longer than 3 seconds, 1 minute is allowed to elapse, then condition exists again for longer than 3 seconds (2000)- The high main line pressure has been commanded- The transaxle is in a forward gear- The input speed is greater than 224 RPM- The vehicle speed is greater than 5 km/h (3 mph)- The speed noise parameter = NO- The steady state ratio fail counter equals 255 for an in-gear failure, or the shift fail counter is greater than 100 on a downshift or upshift to 3rd gear (128=0 or normal operation)DTC P0733 diagnostic runs continuously once the above conditions have been met.
DTC P0733 is a type A DTC for 2000, type B for 2001.**Applicable to vehicles built after June 2000.
Diagnostic AidsImportant: If DTCs P0745, P0746, P0756, P0758, P0761, P0763, P0766, P0768 or P0789 is set, diagnose that DTC first. A diagnosed PC solenoid, shift solenoid 2, 3 or 4 low/high circuit fault DTC may have caused DTC P0733 to set.Important: If a shift solenoid performance DTC P0783, 4th gear stuck ON, is set, diagnose that DTC first. A 4th gear stuck ON may cause no 3rd gear, no 2nd gear, or TCC stuck Off.
Refer to Pressure Ports - Air Check and Parts Description for pressure apply points and for component/location description.
Possible causes of no 3rd gear are listed in the flowchart on the succeeding page.
Verify TRANSMISSION ISS and TRANSMISSION OSS read correctly on Scan tool.
Make sure the pressure control, shift 2, shift 3 and shift 4 solenoids are not intermittently sticking. A sticking shift solenoid 4 may cause 4th gear to be applied from an initial start resulting in no 3rd gear. Audible sound should be similar for all solenoids. A muffled tone indicates the need for replacement.
Check this pinout HERE
P0734 refer at ratio 4 gear, and the rocedure is the same.
Hope helps.

Jan 22, 2013 | 2003 Dodge Caravan

2 Answers

My all new pulsar 150cc is not going above 80kmh.


dont go that much fast for first1000kms...affects engine life...

Aug 27, 2012 | 2005 Bajaj Pulsar 150

1 Answer

Codes p0700,p0733,p0734 dodge caravan 1997


P0700 is a informative transmission code, about some problem there; the P0733 and P0734 is the specific problem there.
I would first try changing the fluid and filter. Although the fluid may look like it is brand new, with 100K on the fluid, I can assure you that even if those miles were all highway at steady speed and no load that the fluid has deteriorated and no longer lubricating the internal parts properly and that there is some debris in the ******.If codes return and shifting problems are still present, there is definite internal failure, possibly the pump or in the clutches.
DTC P0733The powertrain control module (PCM) uses the crankshaft position (CKP) sensor, input speed sensor (ISS) and output speed sensor (OSS) to determine engine speed, input shaft speed and output shaft speed. These sensor readings are used to determine the current gear ratio and RPM slip across the torque converter. The PCM uses this information from the sensors to determine if the commanded gear matches the actual gear. During normal driving conditions, the PCM will adapt main line pressure via the pressure control (PC) solenoid to prevent slipping and harsh shifts. Shift solenoid 3 is used to apply or release third gear clutch. The PCM controls 3rd gear by controlling the ground for shift solenoid 3. The PCM will turn the solenoid OFF, open the driver circuit, when 3rd gear is commanded On to apply 3rd clutch. Shift solenoid 3 is supplied ignition voltage from the fuel pump relay whenever the PCM commands the fuel pump relay ON. DTC P0733 sets when 3rd clutch still slips after the PCM has commanded high main line pressure.DTC Parameters
DTC P0733 will set if the PCM detects an incorrect actual 3rd gear ratio when 3rd gear is commanded On when:- The condition exists for longer than 3 seconds (2001)*- The condition exists for longer than 3 seconds, 1 minute is allowed to elapse, then condition exists again for longer than 3 seconds (2000)- The high main line pressure has been commanded- The transaxle is in a forward gear- The input speed is greater than 224 RPM- The vehicle speed is greater than 5 km/h (3 mph)- The speed noise parameter = NO- The steady state ratio fail counter equals 255 for an in-gear failure, or the shift fail counter is greater than 100 on a downshift or upshift to 3rd gear (128=0 or normal operation)DTC P0733 diagnostic runs continuously once the above conditions have been met.
DTC P0733 is a type A DTC for 2000, type B for 2001.**Applicable to vehicles built after June 2000.
Diagnostic AidsImportant: If DTCs P0745, P0746, P0756, P0758, P0761, P0763, P0766, P0768 or P0789 is set, diagnose that DTC first. A diagnosed PC solenoid, shift solenoid 2, 3 or 4 low/high circuit fault DTC may have caused DTC P0733 to set.Important: If a shift solenoid performance DTC P0783, 4th gear stuck ON, is set, diagnose that DTC first. A 4th gear stuck ON may cause no 3rd gear, no 2nd gear, or TCC stuck Off.
Refer to Pressure Ports - Air Check and Parts Description for pressure apply points and for component/location description.
Possible causes of no 3rd gear are listed in the flowchart on the succeeding page.
Verify TRANSMISSION ISS and TRANSMISSION OSS read correctly on Scan tool.
Make sure the pressure control, shift 2, shift 3 and shift 4 solenoids are not intermittently sticking. A sticking shift solenoid 4 may cause 4th gear to be applied from an initial start resulting in no 3rd gear. Audible sound should be similar for all solenoids. A muffled tone indicates the need for replacement.
Check this pinout HERE
P0734 refer at ratio 4 gear, and the rocedure is the same.
Hope helps.

Apr 03, 2012 | 2003 Ford Focus

1 Answer

No second gear


Instructions

1.
The 2nd gear lockout is, a mechanical speed sensing mechanism. It doesn't care if the engine is running. You bypass it by scooting the bike forward, about 5-6 mph, while shifting the transmission into 2nd gear.
2

Stand on the left side of the bike, with the ignition "ON" and the transmission in neutral.
3 With your right foot on the ground, behind your left foot: place your left foot on the left foot peg, with your toe under the shifter; squeeze in the clutch.
*4.Scoot the bike forward about 5-6 mph, with your right foot, and shift the transmission into 2nd gear, with your left foot. If you accidentally go into 3rd, or some higher gear, you can easily shift back down into 2nd, without further movement of the bike.
5.To start the bike: Apply the choke if the engine is cold. Squeeze in the clutch and push the bike forward, both feet on the ground, about 8-12 mph. Release the clutch until the engine start
6
As soon as the engine starts: squeeze in the clutch and shift the bike into neutral.

Apr 23, 2011 | Suzuki GSX 750 EF Motorcycles

1 Answer

I have a 1984 Harley Davidson ,transmission problem:does not shift into 3rd gear after riding 25 miles.Just need some ideas what this problem could be.


Ok, we need to determine whether you have a transmission problem or a clutch problem. Ride the bike until it will no longer shift into third gear. Then stop the bike and turn the engine off. While rocking the bike backwards and forwards, try to shift the transmission though all the gears. If it shifts through the gears there, you have a clutch problem if it will not shift though all the gears, you have a transmission problem.

Please try this and repost with me. I need to know whether your transmission is a five speed or four speed. I seem to remember that those bikes had a four speed that year.

Let me know what you find.

Good luck
Steve

Sep 28, 2010 | 1993 Harley Davidson FXR Super Glide

1 Answer

When I shift from 2 to 3 or 3 to 4 when I am getting on it, it seems to shift out and rev the engine. What could be the problem? I had this problem in the sping time and shattered the valve spring in 3...


I don't understand you terminology of "shift out". I assume you're talking about missing a gear, it doesn't shift into the gear and the engine revs out of control. You didn't tell me what year or model bike you're talking about either.

If you bike is a Big Twin equipped with either a four speed or five speed transmission, your shifting mechanism in the case of a four speed or shifter pawl in the case of a five speed may need adjusting. If the ******* mechanism is not adjusted correctly, it may not be turning the shifter cam quite far enough when upshifting. This is a job that is best left to an experienced mechanic. It's delicate adjustment and in the case of a four speed, you'll have to take the inner primary off to adjust the shifing mechanism.

Good Luck
Steve

Sep 21, 2010 | Harley Davidson FLHR-FLHRI Road king...

1 Answer

I have a six speed automatic bike that shifts good when turned upside down. but when riding the bike have to go pretty fast to shift into second gear . So i need instructions for the adujstments.


Unless you know how and have the right tools, I would take it in to a shop for adjustment. All bikes are metric, I am sure that a gear adjustment is more than reasonable (less than the tools)and will be done right. Good luck

Sep 21, 2010 | Cycling

1 Answer

How to use thumb shifters on a 21 speed Schwinn Highplains bike


OK, for a beginner in the world of 18 speed bikes, put the chain on the big sprocket up front, it should be about 46 teeth, make sure it is center and doesn't make noise, if it does, adjust it just a hair either way, now, the rear, put the chain on the big sprocket in the rear, make sure the front didn't start making noise, if it did, adjust it again. You are now ready to take off, in low gear, as you start out, it is easy to pedal, soon you will be peddling air, shift into second gear in the rear only, don't touch the front. Just a little push with the thumb will make it shift, now were going faster, easy peddling, shift into 3rd, then 4th, etc, coming to a stop, down shift the back sprocket back into low gear (big sprocket) and be ready to take off again. Soon you will be shifting that thing like a Ferrari! The front sprocket, will be used for moderate terrain, wheelies, and mountain climbing, that will come later, learn how to shift the rear first. As each gear climaxes, hit the shifter, it will get smoother as you go, and keep the chain quiet, no climbing on the next sprocket or falling out of gear. Hope this helps.

May 03, 2010 | Cycling

1 Answer

Gear shifting slips. Older trike, 5 speed, shifting slips while riding.


sounds like the schimano nexus hub i would take in to a good bike shop and have look at it

Apr 27, 2009 | Schwinn Meridian Adult 26-Inch 3-Wheel...

1 Answer

Gears will not shift to first gear


It sounds like the limit screws on the derailleur are out of adjustment.  If the derailleur cant pobbible move any farther towards the 3rd gear and the cable has slack in it then we know for a fact that the limit screws are to blame.  
If you can move the derailleur with your hand past the 3rd gear then we know the cable needs to be adjusted.  I would recommend taking it to a bike shop as those index shifters do take a bit of work to adjust correctly.

Jan 17, 2009 | Schwinn Midmoor Men's Hybrid Bike

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