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Having trouble going into 4 wheel drive in a 1998 ford ranger xlt

Electric works hear it go in but doesn't want to stay in

Posted by Anonymous on

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  • Ford Master
  • 15,575 Answers

The transfer case (7A195) is equipped with a magnetic clutch, similar to an air conditioning compressor clutch, which is located inside the transfer case adjacent to the lockup sleeve. The clutch is used to spin up the front drive system from zero to vehicle speed in milliseconds. This spin-up allows the shift between 2H and 4H to be made at vehicle speeds listed in the vehicle owner's guide. The spin-up engages the front lock hubs. When the transfer case rear and front output shaft reach synchronous speed, the spring-loaded shift collar mechanically engages the mainshaft lockup hub to the chain-drive sprocket and the magnetic clutch is then deactivated. Shifts between 4H and 4L can only occur with the transmission safety switches closed. The vehicle's speed must also be within specified limits as determined by the Generic Electronic Module (GEM).
The electronic shift control system consists of a rotary switch control system, a GEM, a transfer case shift motor (7G360) with an integral shift position sensor, a clutch pedal position switch or digital transmission range (DTR) sensor, and a brake signal input switch.
There is a control switch located on the instrument panel for fingertip shift control.

Switch Control System
When the switch on the instrument panel is turned, there is a one second delay, then the electronic control module verifies the transfer case positions (2H, 4H or 4L). Next, the GEM looks at the shift position sensor and the digital transmission range (DTR) sensor or clutch pedal position switch (depending on transmission type) and brake pedal switch. If all conditions are correct to allow the desired shift, the electronic control module will tell the transfer case shift motor to execute the shift. After the shift has been made and the transfer case shift motor is off, the control module again looks at the shift position sensor to make sure the proper shift has been accomplished. Finally, the dash indicator light on the control panel will be illuminated by a signal from the GEM indicating the desired shift has been completed.
GEM
The generic electronic module controls the operation of the transfer case in response to inputs to the rotary control by the vehicle operator, the shift position sensor, the transmission range sensor and the brake pedal switch.

Vehicle Speed Sensor (VSS)
The vehicle speed sensor (VSS) (9E731) generates an AC signal which is sent to the instrument cluster (10849). The signal is used as input to the powertrain control module (PCM) and the transmission control module (TCM).
Shift Position Sensor
The shift position sensor, an integral part of the electric shift motor, tells the GEM module the shift position of the transfer case.
Electric Shift Motor
The electric shift motor, mounted externally at the rear of the transfer case, drives a rotary helical cam which moves the 2W-4W shift fork and 4H-4L reduction shift fork to the selected vehicle drive position.

does it jump out of gear or just doesn't go into gear in the first place ?

  • 4-Wheel Drive Transfer Case Jumps Out of Gear
  • Incomplete shift linkage travel.
  • ADJUST linkage to provide complete gear engagement. ADJUST shift gearshift lever boot.
  • Loose mounting bolts.
  • TIGHTEN mounting bolts.
  • Front and rear driveshaft slip yokes dry or loose.
  • LUBRICATE and REPAIR slip yokes as required. TIGHTEN flange yoke attaching nut to specifications.
  • Internal components.
  • DISASSEMBLE transfer case. INSPECT sliding clutch hub and gear clutch teeth for damage. REPLACE as required.

Posted on Feb 13, 2018

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6 Suggested Answers

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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

SOURCE: 99 Ford Ranger xlt 4x4

I had the same problem w/ my 99. If you have auto hubs, they work off a vacuum pump which is located under your air filter box..check to make sure it is working..is that is working it's on to the hubs..the locking hubs are the black caps in the center of each from wheel..they snap on and off..hard to take off without breaking a few tabs..the seal one or both may not be holding the vacuum created by the motor under the airfilter box. if one of the hubs has a vacuum leak neither side will work, it's all or nothing..aside from the electric parts on the dash and side of transmition that's about everything there is to know about 1999 ranger four wheel system.

Posted on Mar 27, 2009

Anonymous

  • 21 Answers

SOURCE: 1999 ford ranger xlt 4x4 off road and the 4 wheel

check the hubs for vacuum leaksthe lines should follw the abs sensor wires

Posted on Jun 20, 2009

airjoc

Rob Sinbad

  • 709 Answers

SOURCE: 1998 Ford Expedition XLT 4 wheel drive switch is frozen in 4H

solenoid switch that engages the 4WD more likely will need replacing. fairly cheap to fix replace.

Posted on Oct 11, 2009

Adamcole1213

  • 30 Answers

SOURCE: 2000 Ford Ranger XLT Automatic trans. 4X4 3.0L

Check your operator's manual. Make sure any and all fuses that have anything to do with the affected items are not blown and are working properly. If you can; check for loose fuse connections or wires. Hope this helps. God bless!

Posted on Dec 09, 2009

Anonymous

  • 9 Answers

SOURCE: How do I use the 4 wheel drive on my Ford Ranger

4L only to be used in extreme condtions
N
4H for off road/snow/ice
2H - normal driving

when switching to 4H vehicle must be stationary, as when changing from 4H to 4L
but it is possible to change from 4H back to 2H while in motion.
when 4wd is engaged a lamp will illuminate on dials telling that the hubs are free wheeling, when changing back to 2H you must press corresponding switch to dis-engage this function

Posted on Mar 06, 2010

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