NISSAN ALMERA TINO 2001 Service Repair Manual

BEM006
SEM051G
18. Remove old liquid gasket from mating surfaces of rocker cover
and cylinder head.
19. Apply a continuous bead of liquid gasket to rocker cover gas-
ket and cylinder head as shown in the illustrations.
+Use Genuine RTV silicone sealant Part No. 999MP-A7007
or equivalent.
SEM052G
20. Install rocker cover and oil separator.
+Be sure to install washers between bolts and rocker cover.
+Tightening procedure
STEP 1: Tighten bolts1-10-11-13-8inthat order.
STEP 2: Tighten bolts1-13inthat order.
:8-10N´m(0.8 - 1.0 kg-m, 69 - 87 in-lb)
21. Install the following parts:
+Spark plugs and leads
+Water pump pulley and drive belts.
For adjusting drive belt deflection, refer to EM-86, ªChecking
Drive Beltsº.
+Refit lower radiator hose and cylinder block drain plug.
+Refill with engine coolant. Refer to LC-38, ªChanging Engine
Coolantº.
+Front RH wheel
+Engine under cover
22. Connect the following:
+Vacuum hoses
+Wire harnesses and connectors
TIMING CHAINSR
Installation (Cont'd)
EM-104

SEM077D
ReplacementNLEM0129VALVE OIL SEALNLEM0129S011. Remove accelerator wire.
2. Remove rocker cover.
3. Remove camshafts and sprockets. Refer to EM-109.
4. Remove spark plugs.
5. Install air hose adapter into spark plug hole and apply air
pressure to hold valves in place. Apply a pressure of 490 kPa
(5 kg/cm
2, 71 psi).
6. Remove rocker arm, rocker arm guide and shim.
SEM604E
7. Remove valve spring with Tool. Temporarily install camshaft as
shown.
Piston concerned should be set at TDC to prevent valve from
falling.
SEM054G
8. Remove valve oil seal with a suitable tool.
SEM358E
9. Apply new engine oil to new valve oil seal and install it with
Tool.
SEM997C
FRONT OIL SEALNLEM0129S021. Remove the following parts:
+Engine under cover
+Front RH wheel and engine side cover
+Drive belts
+Crankshaft pulley
2. Remove front oil seal.
+Be careful not to scratch front cover.
OIL SEALSR
Replacement
EM-105

SEM715A
SEM998C
3. Apply new engine oil to new oil seal and install it using a suit-
able tool.
+Install new oil seal in the direction shown.
OIL SEALSR
Replacement (Cont'd)
EM-106

SEM999C
REAR OIL SEAL=NLEM0129S031. Remove transaxle. (Refer to AT section.)
2. Remove drive plate.
3. Remove rear oil seal.
+Be careful not to scratch rear oil seal retainer.
SEM715A
4. Apply new engine oil to new oil seal and install it using a suit-
able tool.
+Install new oil seal in the direction shown.
SEM001D
OIL SEALSR
Replacement (Cont'd)
EM-107

ComponentsNLEM0130
NEM355
1. Oil filler cap
2. Rocker cover
3. Rocker arm guide
4. Rocker arm
5. Shim
6. Hydraulic lash adjuster
7. Chain tensioner8. Camshaft sprocket
9. Camshaft
10. Camshaft bracket
11. Water outlet
12. Cylinder head
13. Valve14. Valve spring seat
15. Valve spring
16. Valve spring retainer
17. Valve collet
18. Spark plug
19. Cylinder head bolt
CYLINDER HEADSR
Components
EM-108

RemovalNLEM01311. Release fuel pressure.
Refer to EC-578, ªFuel Pressure Releaseº.
2. Remove engine under covers.
3. Remove front RH wheel and engine side cover.
4. Drain coolant by removing cylinder block drain plug and radia-
tor drain cock. Refer to LC-38, ªChanging Engine Coolantº.
5. Remove radiator.
6. Remove air duct to intake manifold.
7. Disconnect the following parts:
+Vacuum hoses
+Fuel hoses
+Wires
+Harness
+Connectors
+Front exhaust tube
8. Remove all spark plugs.
SEM029G
9. Remove rocker cover bolts in numerical order.
10. Remove rocker cover.
SEM030G
11. Remove intake manifold supports.
SEM065G
12. Remove water pipe assembly.
CYLINDER HEADSR
Removal
EM-109

SEM983C
13. Set No. 1 piston at TDC of its compression stroke.
SEM031G
+Rotate crankshaft until mating mark on camshaft sprocket
is set at position indicated in figure.
SEM032G
14. Remove chain tensioner.
SEM033G
15. Remove distributor.
Do not turn rotor with distributor removed.
SEM034G
16. Remove camshaft sprockets.
+For retiming in cylinder head removal, apply paint mark to
timing chain matched with mating marks of camshaft
sprockets.
CYLINDER HEADSR
Removal (Cont'd)
EM-110

SEM035G
17. Remove camshaft brackets and camshafts.
+Mark these parts' original positions for reassembly.
SEM036G
18. Remove starter motor.
19. Remove the following water hoses:
+Water hose for cylinder block.
+Water hoses for heater.
SEM037G
20. Remove cylinder head outside bolts.
SEM978C
21. Remove cylinder head bolts in numerical order.
+Removing bolts in incorrect order could result in a warped
or cracked cylinder head.
+Loosen cylinder head bolts in two or three steps.
22. Remove cylinder head completely with intake and exhaust
manifolds.
DisassemblyNLEM0132CAUTION:
+When installing rocker arms, camshaft and oil seal, lubri-
cate contacting surfaces with new engine oil.
+When tightening cylinder head bolts, camshaft sprocket
bolts and camshaft bracket bolts, lubricate bolt threads
and seat surfaces with new engine oil.
CYLINDER HEADSR
Removal (Cont'd)
EM-111

AEM116
+If a hydraulic lash adjuster is kept on its side, there is a
risk of air entering it. When hydraulic lash adjusters are
removed, stand them straight up or soak them in new
engine oil.
+Do not disassemble hydraulic lash adjusters.
+Attach tags to lash adjusters so as not to mix them up.
SEM057G
1. Remove rocker arms, shims, rocker arm guides and hydraulic
lash adjusters from cylinder head.
CAUTION:
Keep parts in order so they can be installed in their original
positions during assembly.
SEM058G
2. Remove exhaust manifold cover.
3. Remove EGR tube. (where fitted)
SEM059G
4. Remove exhaust manifold as shown.
SEM060G
5. Remove EGR volume control valve assembly. (where fitted)
CYLINDER HEADSR
Disassembly (Cont'd)
EM-112

SEM082D
6. Remove water outlet.
SEM061G
7. Remove intake manifold with intake manifold collector as
shown.
SEM604E
8. Remove valve components with Tool. Install camshaft tempo-
rarily.
SEM054G
9. Remove valve oil seal with a suitable tool.
SEM915F
InspectionNLEM0133CYLINDER HEAD DISTORTIONNLEM0133S01+Clean mating surface of cylinder head.
+Use a reliable straightedge and feeler gauge to check the flat-
ness of cylinder head mating surface.
+Check along six positions shown in figure.
Head surface flatness:
Standard: Less than 0.03 mm (0.0012 in)
Limit: 0.1 mm (0.004 in)
CYLINDER HEADSR
Disassembly (Cont'd)
EM-113