Nissan Titan. Manual — part 157
DLN-200
< UNIT DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: M226 ]
REAR FINAL DRIVE ASSEMBLY
CAUTION:
Do not change the side bearing side bearing adjusters by
different amounts as it will change the side bearing preload
torque.
d. Tighten side bearing cap bolts to the specified torque.
e. Install adjuster lock plate and tighten to the specified torque.
CAUTION:
Check tooth contact and total preload torque after adjusting
side bearing adjuster. Refer to
Companion Flange Runout
1. Rotate companion flange and check for runout on the compan-
ion flange face (inner side of the bolt holes) and companion
flange inner side (socket diameter) using suitable tool. Refer to
DLN-206, "General Specification"
.
2. If the runout is outside the runout limit, follow the procedure
below to adjust.
a. Rotate the companion flange on the drive pinion by 90
°, 180°
and 270
° while checking for the position where the runout is
minimum.
b. If the runout is still outside of the runout limit after the companion
flange has been rotated on the drive pinion, possible cause
could be an assembly malfunction of drive pinion and drive pin-
ion bearing or a malfunctioning drive pinion bearing.
c.
If the runout is still outside of the runout limit after replacing the companion flange. Replace the rear final
drive assembly. Refer to
DLN-196, "Removal and Installation"
DISASSEMBLY
Differential Assembly
1. Remove carrier cover bolts.
2. Remove carrier cover using Tool.
CAUTION:
• Do not damage the mating surface.
• Do not insert flat-bladed screwdriver, this will damage the
mating surface.
If the backlash is greater than specification:
Loosen side bearing adjuster (A) and tighten side
bearing adjuster (B) by the same amount.
If the backlash is less than specification:
Loosen side bearing adjuster (B) and tighten side
bearing adjuster (A) by the same amount.
PDIA0330E
PDIA0331E
SDIA2078E
Tool number
: KV10111100 (J-37228)
PDIA1041E
REAR FINAL DRIVE ASSEMBLY
DLN-201
< UNIT DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: M226 ]
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3. For proper reinstallation, paint matching mark on one side of
side bearing cap.
CAUTION:
• Side bearing caps are line-board for initial assembly. The
matching marks are used to reinstall them in their original
positions.
• For matching mark, use paint. Do not damage side bear-
ing cap.
4. Remove adjuster lock plates.
5. Remove side bearing caps.
6. Loosen side bearing adjusters using Tool.
7. Remove the differential case assembly. Label side bearing outer
races to keep them together with inner races. Do not mix them
up.
Drive Pinion Assembly
1. Put matching marks on the companion flange at location (A) and
drive pinion using paint as shown.
CAUTION:
Use paint to make the matching marks. Do not damage the
companion flange or drive pinion.
PDIA0310E
PDIA0331E
Tool number
: — (C-4164)
PDIA0337E
PDIA0312E
PDIA0675E
DLN-202
< UNIT DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: M226 ]
REAR FINAL DRIVE ASSEMBLY
2. Remove drive pinion lock nut and washer using suitable tool.
3. Remove companion flange using a suitable tool.
4. Remove oil seal/dust shield and discard.
CAUTION:
Do not reuse the differential oil seal.
5. Remove front oil seal using Tool.
CAUTION:
Do not damage gear carrier.
6. Remove drive pinion front bearing thrust washer.
7. Remove drive pinion assembly (with rear inner bearing race and
collapsible spacer) out of gear carrier.
CAUTION:
Do not drop drive pinion assembly.
8. Remove collapsible spacer from drive pinion assembly and discard collapsible spacer.
CAUTION:
Do not reuse the collapsible spacer.
INSPECTION AFTER DISASSEMBLY
Clean the disassembled parts. Then inspect the parts for wear or damage. If wear or damage are found, follow
the measures below.
PDIA0314E
PDIA0315E
Tool number
: ST33290001 (J-34286)
SDIA2586E
PDIA0316E
REAR FINAL DRIVE ASSEMBLY
DLN-203
< UNIT DISASSEMBLY AND ASSEMBLY >
[REAR FINAL DRIVE: M226 ]
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Drive Pinion and Drive Gear
• If the gear teeth do not mesh or line-up correctly, replace with new rear final drive assembly. Refer to
196, "Removal and Installation"
• If the gears are worn, cracked, damaged, pitted or chipped (by friction) noticeably, replace with new rear final
drive assembly. Refer to
DLN-196, "Removal and Installation"
Bearings
• If bearings are chipped (by friction), pitted, worn, rusted, scratched, or unusual noise is coming from the
bearing, replace with new rear final drive assembly. Refer to
DLN-196, "Removal and Installation"
Differential Case Assembly
• If the gears are worn, cracked, damaged, pitted or chipped (by friction) noticeably, replace with new rear final
drive assembly. Refer to
DLN-196, "Removal and Installation"
• If the movement is not smooth when pushing cam ring of differential case assembly by hand. Replace with
new rear final drive assembly. Refer to
DLN-196, "Removal and Installation"
.
Companion Flange
• If any chips (about 0.1mm, 0.004 in) or other damage on the companion flange surface which contacts the
front oil seal lips are found, replace with new one. Refer to
DLN-196, "Removal and Installation"
ASSEMBLY
Drive Pinion Assembly
1. Install drive pinion front bearing thrust washer.
2. Apply multi-purpose grease to new front oil seal lip. Install front
oil seal into gear carrier using Tool.
CAUTION:
• Do not reuse front oil seal.
• Do not incline the new front oil seal when installing.
• Apply multi-purpose grease to the lips of the new front oil
seal.
3. Install new collapsible spacer to drive pinion. And then install
drive pinion assembly into gear carrier.
CAUTION:
• Do not reuse collapsible spacer.
• Do not damage front oil seal.
4. Install a new oil seal/dust shield.
5. Install the companion flange onto the drive pinion while aligning
the matching marks. Then tap the companion flange using suit-
able tool.
CAUTION:
Do not damage companion flange or front oil seal.
Tool number
: ST15310000 ( — )
PDIA0326E
SDIA2595E
PDIA0328E
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