2009 NISSAN LATIO Service Repair Manual

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Page 2969 of 4331

NISSAN LATIO 2009 Service Repair Manual Camshaft " .
5. Install the selected valve lifter.
6. Install camshaft. Refer to EM-58, " Exploded View " .
7. Manually rotate crankshaft pulley a few rotations.
8. Make sure that valve clearances f

Page 2970 of 4331

NISSAN LATIO 2009 Service Repair Manual EM
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COMPRESSION PRESSURE
Inspection INFOID:0000000004784276
1. Warm up engine thoroughly. Then, stop it.
2. Release fuel pressure. Refer to EC-498, " Inspection " .
3. Remove ignition coil and sp

EM
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COMPRESSION PRESSURE
Inspection INFOID:0000000004784276
1. Warm up engine thoroughly. Then, stop it.
2. Release fuel pressure. Refer to EC-498, " Inspection " .
3. Remove ignition coil and spark plug from each cylinder. Refer to EM-46, " Exploded View " .
4. Connect an engine tachometer (not required in use of CONSULT-III).
5. Install a compression tester (B) with an adapter (commercial service tool) (A) onto spark plug hole.
• Use the adapter whose picking up end inserted to spark plug hole is smaller than 20 mm (0.79 in) in diameter. Otherwise, it
may be caught by cylinder head during removal.
6. With accelerator pedal fully depressed, turn ignition switch to “START” for cranking. When the gauge pointer stabilizes, read the compression pressure and the engine rpm. Perform these steps to check each
cylinder.
CAUTION:
Always use fully a charged battery to obtain the specified engine speed.
• If the engine speed is out of the specified range, c heck battery liquid for proper gravity. Check engine
speed again with normal battery gravity.
• If compression pressure is below minimum value, check valve clearances and parts associated with combustion chamber (Valve, valve seat, piston, pi ston ring, cylinder bore, cylinder head, cylinder head
gasket). After the checking, measure the compression pressure again.
• If some cylinder has low compression pressure, pour small amount of engine oil into the spark plug hole
of the cylinder to re-check it for compression.
- If the added engine oil improves the compression, piston rings may be worn out or damaged. Check pis-
ton rings and replace if necessary.
- If the compression pressure remains at low level despite the addition of engine oil, valves may be mal- functioning. Check valves for damage. Replace valve or valve seat accordingly.
• If two adjacent cylinders have respectively low compression pressure and their compression remains low even after the addition of engine oil, cylinder head gasket is leaking. In such a case, replace cylinder
head gasket.
7. After inspection is completed, install removed parts.
8. Start the engine, and confirm that the engine runs smoothly.
9. Perform trouble diagnosis. If DTC appears, erase it. Refer to EC-112, " Description " . SBIA0533E
General Specification " .

Page 2971 of 4331

NISSAN LATIO 2009 Service Repair Manual Removal and Installation " .
2. Remove the lock nut, and then remove the plate, idler pulley, and washer.
3. Remove the center shaft together with t he spacer with inserting the adjusting bolt.
INSTAL

Page 2972 of 4331

NISSAN LATIO 2009 Service Repair Manual EM
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1. Insert the center shaft (1) into the slide groove of the spacer (2).
Fully screw in the adjusting bolt (3) in the belt loosening direc-
tion ( ).
• At that time, place the

Page 2973 of 4331

NISSAN LATIO 2009 Service Repair Manual Removal and Installation " .
2. Remove the air duct (inlet).
3. Remove the air cleaner filter from the air cleaner case. Refer to EM-17, " Removal and Installation " .
4. Remove the air duct [between

Page 2974 of 4331

NISSAN LATIO 2009 Service Repair Manual EM
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• Align marks. Attach each joint. Screw clamps firmly.
Inspection INFOID:0000000004784281
INSPECTION AFTER REMOVAL Inspect air ducts and air cleaner assembly for crack or tear.
• If anythi

Page 2975 of 4331

NISSAN LATIO 2009 Service Repair Manual Exploded View " .
2. Remove the reservoir tank. Refer to CO-16, " Component " .
3. Remove the oil level gauge. CAUTION:
Cover the oil level gauge gu ide openings to avoid entry of foreign materials.

Page 2976 of 4331

NISSAN LATIO 2009 Service Repair Manual EM
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7. Remove intake manifold support front (1) and bolt from rear (2).
• Bracket (2) is not removed. Remove bolt from intake manifold.
8. Remove intake manifold. • Loosen bolts in the reverse

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