Useful Selectrac info (NP229)
Date: Mon, 2 Dec 1996 08:54:10 -0600
To: Multiple recipients of
Subject: 85 Grand Wagoneer Gears
Subject: 85 Jeep Grand Wagoneer 4x4
Date: 29 Nov 1996 02:56:19 GMT
> I recently aquired a 86 g/w with 93k ..
> There is a lever on the floor under the steering wheel with Hi Low and N
> on it . It seems stuck. How do you use this.
This is the transfer case range selector. High is for normal use, low
when you need to put mega power to the wheels, albeit at a much slower pace!
I have an '85 GW w/ 360 engine, automatic trans & select trac with the
lever on the floor and I'm assuming you have something similar. According to
owners manual, you have to follow a particular patern to shift, so I'll quote
rather than try to paraphrase (my appologise for the the length):
Selec-Trac Provides:
- Either 2- or full-time 4-wheel drive in HI range;
- An N (Neutral) position to disengage the axles from the powertrain
- Part time four-wheel drive in LO range.
Because selec-trac control functions are interrelated, mode
switch and range lever must be used in specific combinations
to operate the transfer case.
With range lever in the HI range, select either 2-wheel drive
(2WD) or full time 4-wheel drive (4WD) by moving the mode switch.
Mode selection can be made *WHILE THE VEHICLE IS MOVING
AT ANY LEGAL SPEED.*
NOTE: If mode switch is moved from one position to another
while the vehicle is not moving, it may be necessary to move
the vehicle forward or backwards slightly for the transfer case
to fully engage 4WD, expecially in cold weather.
If mode switch is in 4WD and the transfer case has completed
the shift, Selec-Trac offers a choice of HI, N, or LO rnages
by moving range lever. Range shifts must be made *ONLY AT
LOW SPEED 2-3 MPH, 3-5 KM/H)*.
CAUTION: Never attempt to engage LO range when vehicle
is in 2WD or when vehicle is moving faster than 2-3 mph (3-5
kmh). Transfer case damage may result.
*WARNING: NEVER PARK YOUR VEHICLE WITH RANGE LEVER IN THE
N (NEUTRAL) POSITION. THE VEHICLE COULD ROLL UNEXPECTEDLY
EVEN IF AN AUTOMATIC TRANSMISSION IS PLACED IN PARK OR A
MANUAL TRANSMISSION IS IN GEAR.*
Mode Selection (2WD/4WD)
Mode switch allows you to select 2WD or 4WD whenever you
wish, as long as range lever is in the HI range position.
NOTE: Complete transfer case engagment into HI must be
made before you can or should attempt to engage 2WD.
Range Shifts (HI-N-LO)
Range lever allows you to shift to HI, N, or LO range when
the transfer case is fully engaged in 4WD, the vehicle is
moving slowly (2-3 mph) and the *TRANSMISSION* is shifted
to neutral.
CAUTION: Do not try to move range lever from HI to LO when
mode switch is in the 2WD position. The range lever shift linkage
could be damaged.
- HI position
2WD or 4WD--In either position, the vehicle may be operated
on all road surfaces. In 4WD, Select Trac offers better traction
when roads are wet, snow covered or icy. Use Selec-Trac
4WD year-round (full time) if you wish.
- N Position (Neutral
In this position the axles are disengaged from the powertrain.
The vehicle may be towed without removing the propeller shafts.
Place an automatic transmission in Park or a manual transmission
in gear afdter the N position is engaged
- Lo Position
This position provides 4WD for occasional use when *OFF-ROAD*
driving conditions require low speed pulling power.
*WARNING: DO NOT DRIVE THE VEHICLE UNLESS THE TRANSFER CASE
IS FULLY ENGAGED. FAILURE TO COMPLETELY ENGAGE A POSITION
CAN CAUSE TRANSFER CASE DAMAGE OR LOSS OF POWER AND VEHICLE
CONTROL. bE SURE YOU KNOW THE SHIFT PATTERN OF YOUR VEHICLE.*
WARNING: DO NOT INSTALL SELECTIVE DRIVE HUBS ON SELEC-TRAC
VEHICLES. IF THESE HUBS ARE LEFT UNLOCKED WHEN THE VEHICLE
IS PARKED, THE VEHICLE COULD ROLL UNEXPECTEDLY--EVEN IF AN
AUTOMATIC TRANSISSION IS IN PARK OR A MANUAL TRANSMISSION
IS IN GEAR.*
> Is there a Grand Wagoneer Club
FSJ list is the closest I've come across but there may be something out there
that I haven't found yet. You might check locally for a generic 4WD club,
they may be able to point you in the direction of other FSJ owners in your area.
Hope this helps.
---------------------------------------------------
the NP242 shift pattern, this is the xfr case in the little wagoneer, features
full time and part time operation... see
http://johnmeister.com/jeep/sj/XJ/tech for info.
superdawg
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