Lubricants
Element | Specifications |
Recommended oil | SAE 75W/90 or SAE 80W/90, API GL5, MIL-L-2105 (including B, C and D) |
Volume | 2.3 l |
CAUTION: Use only the prescribed lubricant.
General specification - LT230Q
Element | Specifications |
Transfer box type | LT230QRS |
Specifications | Two-stage reducer at the output of the main gearbox, front and rear drives are constantly engaged through a locking differential |
Gear ratios: | |
High | 1,211:1 |
Low | 3,269:1 |
Transfer case specifications
Element | Metric system | british system |
High/low range selector finger width | 15.90 - 15.95 mm | 0.625 - 0.627 inches |
High/low range selector fork pin width | 7.37 - 7.47 mm | 0.290 - 0.294 inches |
Groove Width of High/Low Range Selector Shaft | 16.0 - 16.1 mm | 0.63 - 0.64 inches |
High/Low Range Selector Hub Groove Width | 7.5 - 7.6 mm | 0.295 - 0.30 in |
Differential lock selector pin width | 15.90 - 15.95 mm | 0.625 - 0.627 inches |
Differential lock selector shaft groove width | 16.0 - 16.1 mm | 0.63 - 0.64 inches |
Differential lock selector fork pin width | 7.92 - 7.9 mm | 0.311 - 0.313 inches |
Differential lock selector spring free length | 84,58 mm | 3,33 in |
Selector Fork Groove Width | 8.05 - 8.20 mm | 0.32 - 0.33 inches |
The force of turning the front and rear side gears of the differential: | ||
used gears | 0,45 kg | 1,0 lb |
New gears | 1,72 kg | 3,8 lb |
Nomenclature of thrust washers by thickness | 1.05 - 1.45 mm | 0.04 - 0.06 inch |
With discretion: | 0,10 mm | 0,004 in |
Total Cranking Force - Both Sun Gears Installed: | ||
used gears | 0,90 kg | 2,0 lb |
New gears | 3,44 kg | 7,6 lb |
Clearance between low range gear and high range hub | 0.05 - 0.15 mm | 0.002 - 0.006 inch |
Clearance between high range gear and high/low range hub | 0.05 - 0.10 mm | 0.002 - 0.004 inches |
Pinion gear bearing preload | 0,05 mm | 0,002 in |
Shim thickness range for pinion gear bearing | 3.15 - 4.00 mm | 0.12 - 0.16 inches |
With discretion: | 0,05 mm | 0,002 in |
Differential bearing preload | 0,05 mm | 0,002 in |
Nomenclature of differential shims by thickness | ||
With discretion: | 0,05 mm | 0,002 in |
The moment of cranking the gear transmission of the transfer case | 3.4 Nm max. | 30 lb-ft max. |
Tightening torques
Description | Nm | lb-ft |
drain plug | 30 | 22 |
Nipple connection type «banjo» transfer case breather | 15 | 11 |
Differential cup bolts | 60 | 44 |
Differential bearing nut | 72 | 53 |
Differential lock selector lever nut | 25 | 18 |
* Front output shaft housing bolts | 25 | 18 |
* Rear output section bolts | 45 | 33 |
*** Outlet flange nuts | 162 | 120 |
** Differential lock selector housing bolts | 25 | 18 |
High/Low Range Selector Housing Bolts | 25 | 18 |
* Bolt of plate of fastening of an intermediate shaft | 25 | 18 |
*** Intermediate shaft nut with caulk lock - non-deformable spacer of selective length | 88 | 65 |
* Bottom cover bolts | 25 | 18 |
* Bolts and nut threaded onto stud, bearing housing caps | 25 | 18 |
Transmission brake shield bolts | 72 | 54 |
Locking solenoid cover bolts (in the presence of) | 10 | 8 |
** Neutral indicator switch | 25 | 18 |
Transfer case front drive flange to cardan shaft | 47 | 33 |
Flange of the rear drive of the transfer case to the cardan shaft | 50 | 37 |
Transfer case to the protruding section of the gearbox housing | 47 | 33 |
* Apply Loctite 290 to the threads.
** Apply Hylomar PL32 to the threads.
*** A new nut must be used.
Element | Nm | lb-ft |
METRIC | ||
M5 | 6 | 5 |
M6 | 9 | 7 |
M8 | 25 | 18 |
M10 | 45 | 33 |
M12 | 90 | 65 |
M14 | 105 | 75 |
M16 | 180 | 130 |
UNF/UNC SYSTEM | ||
1/4 | 9 | 7 |
5/16 | 25 | 18 |
3/8 | 40 | 30 |
7/16 | 80 | 60 |
1/2 | 90 | 65 |
5/8 | 135 | 100 |
The table given above contains the tightening torques for screws and bolts, unless otherwise specified in advance.
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