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I have a 93 chevy Z71 pickup with 4 wheel drive. I am having problems with it shifting. It will shift to first gear but not the remaining gears. The transmission has been rebuilt about a month ago. What can the problem be?
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Do you mean start the car in drive? if so that problem is inhibitor switch. Other shift problems can be caused by TPS (throttle posistion sensor) if applicable
Which of these does your vehicle have ?
The NVG 233 transfer case features a 3 button shift control switch, located on the instrument panel.
The NVG 236 transfer case features a 4 button shift control switch located on the instrument panel.
Do you know what DTC'S - diagnostic trouble codes are ? Both of these 4X4 systems can set DTC'S , Having a professional or factory scanner is what is needed to check for these codes . Not a OBD 2 code reader or autozone , advance etc... The four button system can set a bunch of them .
DTC B2725
DTC C0300
DTC C0305
DTC C0308
DTC C0309
DTC C0310
DTC C0315
DTC C0323
DTC C0324
DTC C0327
DTC C0362
DTC C0367
DTC C0374
DTC C0376
DTC C0387
DTC C0550
DTC C0611
The NVG 233 transfer case features a 3 button shift control switch, located on the instrument panel. When the ignition is in the RUN position, the transfer case shift control module starts monitoring the transfer case shift control switch, to determine if a new mode/gear position has been selected. At a single press of the transfer case shift control switch, the lamp of the new position begins flashing to inform the driver that the transfer case shift control module has received the request for a new mode/gear position. The lamp continues to flash until all shifting criteria has been met and the new mode/gear position has been reached, or has engaged. Once the new mode/gear position is fully active, the switch indicator lamp for the new position remains ON constantly.
The NVG 233 transfer case provides the driver with 3 manual mode/gear positions:
• 2HI - 2 Wheel Drive high range
• 4HI - 4 Wheel Drive high range
• 4LO - 4 Wheel Drive low range
Any of these mode/gear positions may be selected while driving the vehicle. However, the transfer case will not allow a shift into, or out of, 4LO unless the following criteria has been met:
• The engine is running.
• The automatic transmission is in Neutral, or the clutch pedal is applied on manual transmissions.
• The vehicle speed is below 5 km/h (3 mph).
Finding out what if any codes are stored should be your first step .
have truck running,,put shifter in neutral,,shift into high lock 4x4,then put truck into gear,,u can shift from high lock to high gear,,from two wheel to four wheel,,in high only,,if u want to shift transfer case in low,,u have to put truck in ,,neutral,,first,,
hi
if you think the four wheel drive it not being use it very likely that the link that engages the four wheel it rusty or the gear shift inside the gear box will not slide by some wearing abstraction caused by wear and tear
First thing is to read out, with a rented scanner, whatever codes the computer is storing instead of just replacing parts. You didn't say whether the transmission is automatic or manual--there are different troubleshooting procedures for each type. Is the shift a floor or column type?
problem one adust the safety netural switch to allow itto start without having to push up, Problem 1990 ford the shat bentthe shift linkage, Problem three this is the Nissan section not ford and chevy.
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