Nissan Sentra Service Manual: Oil seal
Valve oil seal : Removal and Installation
REMOVAL
- Rotate crankshaft, and set piston whose valve oil seal is to be removed
to TDC. This will prevent valve
from dropping into cylinder.
CAUTION:
When rotating crankshaft, be careful to avoid scarring front cover with
timing chain.
- Remove camshafts. Refer to EM-60, "Exploded View".
- Remove valve lifters. Refer to EM-60, "Exploded View".
- Remove valve collet, valve spring retainer, and valve spring
using Tools
Tool number (A) : KV1016200 (J-26336-A)
Tool number (B) : KV10109220 ( — )
Tool number (C) : KV10115900 (J-26336-20)
CAUTION:
- Do not damage valve lifter holes.
- Install Tool (A) in the center of valve spring retainer to
press it.
(1) : Valve spring retainer
(A) : Attachment
Tool number : KV10115900 (J-26336-20)
- Remove valve spring retainer and valve spring (with valve spring seat).
CAUTION:
Do not remove valve spring seat from valve spring.
- Remove valve oil seal using Tool (A).
Tool number : KV10107902 (J-38959)
INSTALLATION
- Apply new engine oil to valve oil seal joint surface and seal lip.
- Press in valve oil seal to the height (H) shown using Tool (A).
Height (H) : 15.1 - 15.7 mm (0.594 - 0.618 in)
Tool number : KV10115600 (J-38958)
- Installation of remaining components is in the reverse order of removal.
Front oil seal : Removal and Installation
REMOVAL
- Remove front fender protector (RH). Refer to EXT-27, "FENDER PROTECTOR :
Exploded View".
- Remove drive belt. Refer to EM-15, "Exploded View".
- Remove crankshaft pulley. Refer to EM-48, "Exploded View".
- Remove front oil seal using suitable tool.
CAUTION:
Do not damage front cover and crankshaft.
INSTALLATION
- Apply new engine oil to new front oil seal joint surface and seal lip.
- Install front oil seal so that each seal lip is oriented as shown.
(A) : Dust seal lip
(B) : Oil seal lip
- Press-fit front oil seal using a suitable tool with outer diameter 57 mm
(2.24 in) and inner diameter 45
mm (1.77 in).
Within 0.3 mm (0.012 in) toward engine front (crankshaft
pulley side)
Within 0.5 mm (0.020 in) toward engine rear (crankshaft
sprocket side)
CAUTION:
- Be careful not to damage front cover and crankshaft.
- Press-fit oil seal straight to avoid causing burrs or tilting.
- Installation of remaining components is in the reverse order of removal.
Rear oil seal : Removal and Installation
REMOVAL
- Remove engine and transaxle assembly. Refer to EM-86, "CVT : Exploded
View" (CVT models) or TM-28,
"Exploded View" (M/T models).
- Remove clutch cover and clutch disc (M/T models). Refer to CL-17, "Exploded
View".
- Remove drive plate (CVT models) or flywheel (M/T models). Refer to
EM-94, "Exploded View".
- Remove rear oil seal using suitable tool.
CAUTION:
Do not damage crankshaft and cylinder block.
INSTALLATION
- Apply the liquid gasket lightly to entire outside area of new rear oil
seal.
Use Genuine Silicone RTV Sealant, or equivalent. Refer to GI-21, "Recommended
Chemical Products
and Sealants".
- Install rear oil seal so that each seal lip is oriented as shown.
(A) : Dust seal lip
(B) : Oil seal lip
- Press-fit rear oil seal using suitable tool (A) with outer diameter
115 mm (4.53 in) and inner diameter 90 mm (3.54 in).
CAUTION:
- Do not damage crankshaft and cylinder block.
- Press-fit oil seal straight to avoid causing burrs or tilting.
- Do not touch grease applied onto oil seal lip.
- Press in rear oil seal (1) to the position as shown.
(A) : Rear end surface of cylinder block
- Installation of the remaining components is in the reverse order of
removal
Exploded View
Camshaft position sensor (EXH)
O-ring
Camshaft bracket
Camshaft (EXH)
Camshaft sprocket (EXH)
Camshaft sprocket (INT)
Camshaft (INT)
Valve lifter (EXH)
Valve lif ...
Exploded View
Cylinder head assembly
Cylinder head bolt
Cylinder head gasket
Refer to INSTALLATION
Removal and Installation
REMOVAL
Release fuel pressure. Refer to EC-143, ...
Other materials:
Eps branch line circuit
Diagnosis Procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the eps control unit for damage,
bend and loose connection (unit
side and connector side).
Is the inspection result norm ...
Clutch piping
Exploded View
CSC (Concentric Slave Cylinder)
Clip
Clutch tube
Clutch damper
Bracket
Clutch master cylinder
Hydraulic Layout
Clutch tube
Lock pin
CSC (Concentric Slave Cylinder)
Clutch damper
Clutch master cylinder
Clutch pedal
Removal and Installation
CAU ...
Washer tank
Exploded view
Washer tank inlet
Washer tank
Washer level switch
Washer tank seal
Washer pump
Removal and installation
REMOVAL
Drain the washer fluid.
Remove the front under cover. Refer to ext-30, "front under cover :
removal and installation".
Remove the fe ...
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