Nissan ENGINE - Oil Seal Replacement

OIL SEAL
EM-85
< REMOVAL AND INSTALLATION >
[VQ40DE]
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OIL SEAL
Removal and Installation of Valve Oil Seal INFOID:0000000008798993
REMOVAL
1. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent valve from dropping
into cylinder.
2. Remove camshaft relating to valve oil seal to be removed. Refer to EM-76, "Removal and Installation"
.
3. Remove valve lifters. Refer to EM-76, "Removal and Installation"
.
4. Remove valve collet, valve spring retainer and valve spring
using Tool.
CAUTION:
When working, take care not to damage valve lifter holes.
• Compress valve spring using Tool attachment, adapter.
Remove valve collet with magnet hand.
5. Remove valve oil seal using Tool.
INSTALLATION
1. Apply new engine oil to new valve oil seal joint surface and seal lip.
2. Press in valve oil seal to specified height (H) using Tool.
NOTE:
Dimension (H): height measured before valve spring seat instal-
lation.
3. Installation of the remaining components is in the reverse order
of removal.
Removal and Installation of Front Oil Seal INFOID:0000000008798994
REMOVAL
1. Remove engine under cover. Refer to EXT-15, "Removal and Installation".
2. Remove drive belt. Refer to EM-13, "Removal and Installation"
.
3. Remove engine cooling fan assembly. Refer to CO-18, "Removal and Installation (Crankshaft driven
type)".
4. Remove crankshaft pulley. Refer to EM-51, "Removal and Installation"
.
Tool numbers : KV10116200 (J-26336-B)
: KV10115900 (J-26336-20)
: KV10109220 ( — )
WBIA0578E
Tool number : KV10107902 (J-38959)
WBIA0489E
Tool number : — (J-39386)
Intake and exhaust : 14.3 - 14.9 mm (0.563 - 0.587 in)
WBIA0490E
Revision: January 2013 2013 Xterra