Question about 1986 Jeep CJ7

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I have a jeep cj7 with a 4.2 liter engine & a muncie 4 speed w/granny gear and i try to take off in second gear or even shift into second the jeep does not want to go or dies

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I have not had this particular transmission apart, but it sounds like that gear may be locked up.......??? may need to have it fixed. If jeep runs in all the other gears, I would definately believe that it is in the second gear only.

Posted on Jul 16, 2009

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1987 jeep wrangler, BA 10/15 transmission stuck in first gear. What is likely cause in transmission?


a stick shift.
ok ill do stick shift 101..... (repaired many a box i have)
first off it can be 3 things, the stick bad. the box and the clutch.
so can you shift all gears , engine off, and parked.?
Q1: yes/no.?
if yes, can you shift to 2nd gear, parked & engine off
and then start engine and move in second gear using the clutch pedal.?
ill stop here, as most get lost , if i post the full diagnosis..... end.
we can go way beyond this. easy.

Apr 19, 2015 | 1987 Jeep Wrangler

1 Answer

WHAT WOULD CAUSE MY 1998 JEEP CHEROKEE TO JUMP OUT OF GEAR WHEN I PLACE IT IN 4 WHEEL DRIVE.


sounds like it is not going all the way into gear in the transfer case ck the adjustment, is this electronic shift , ck for dirty connections ,

Sep 15, 2014 | Cars & Trucks

1 Answer

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

I have a 2000 chevy tahoe and transmission will not shift out of second gear.


make sure your transmission fluid level not low if fluid level okay. other possible causes for transmission wont shift out of second could have stuck or faulty first and second shift valve.code scan for faulty VSS SPEED SENSOR.

Dec 27, 2012 | 1993 Jeep Grand Cherokee

1 Answer

I need to know what kind of tranny fluid goes in a manual transmission on a 1989 gmc seirra with 305 its a stepside to. i put amsoil synthetic manual synchromesh transmission fluid in it but im worried...


Muncie 4 (117MM) speed---Lubricant Type---------80W-90 Gear Oil
Muncie 5LM60 (HM-290) 4 & 5 Speed ---------Lubricant Type------Syncromesh Trans Fluid T2850

Oil Capacity= 5 Speed (85mm & 109mm)--3.6 pt (US)
(New Venture Gear 4500)--8pt (US)

4 Speed= (85mm)--3.6pt (US)
(117mm)--8.4pt (US)


Hope this helped you ??

Jun 14, 2011 | 1989 GMC Sierra

1 Answer

I installed a muncie m20 tranny in my 72 camaro and thought the shft rods were set ..but turns out 1st gear was in the 2nd gear position i tried flipping rod paddles upside down now gears are locked up...


You are right about the shift pattern. Reverse is hard left and up.If your gears are locked up, you'll probably have to remove the side cover and reset the shift levers to their neutral position and then slide gears around to put it back on. With it back on the shift levers should point up toward the car floor. 3-4 is the shift lever closest to the engine. 1-2 is the middle one and reverse is the one closest to the back of the tranny. Check all your swivel points for looseness. If there is any play then you'll have to bush it out or you'll have trouble getting it to shift into gear and stay in. I used some old copper pipe to make bushings on mine, because it used to jump out of gear.
To properly attach your shift linkage, put the shifter and the trans mounted shift levers in neutral. Loosen the locking clamps so the shift rods slide freely. start with the reverse lever, which is the inner most rod on the shifter and tighten the rod nut against the swivel. Then tighten the lock nut. Do the same with the 1-2 rod on the middle rod on the shifter and then the 3-4 which is the outside rod . This should set you up, according to Chilton.
They note that if the tranny is 68 Camero Muncie the shift rods need to be shortened 3 complete turns of the lock nut.
Hope some of this helps.

Aug 13, 2010 | Chevrolet Camaro Cars & Trucks

1 Answer

How do you shift to 4wd 99 wrangler


You can shift on the fly...as you are moving....into 4WD at speeds up to 40 MPH but simply grabing the 4WD selector and moving into the 4WD high gear. Low gear selection should be done at a stand still, with transmission in neutral position before proceeding in fwd. The low position is a "granny gear" that is for extreme situations where high 4WD will not suffice or get you out of a stuck situation.

Dec 31, 2009 | 1999 Jeep Wrangler

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