NISSAN ENGINE REPAIR MANUAL

Page 236

CYLINDER BLOCK [HR16DE]

< UNIT DISASSEMBLY AND ASSEMBLY > 18. Install knock sensor (1). : Engine front

• Install connectors so that they are positioned towards the rear of the engine. CAUTION: • Never tighten mounting bolt while holding the connector. • If any impact by dropping is applied to knock sensor, replace it with a new one. NOTE: • Check that there is no foreign material on the cylinder block mating surface and the back surface of knock sensor. • Check that knock sensor does not interfere with other parts. 19. Install crankshaft position sensor (POS). • Tighten bolts with it seated completely. 20. For the oil level gauge guide (1), fix the position (B) shown in the figure to the water inlet clip (A) after inserting to the cylinder block side.

PBIC3754E

PBIC3755E

21. Assemble in the reverse order of disassembly after this step.

Inspection

INFOID:0000000006449937

CRANKSHAFT END PLAY • Measure the clearance between thrust bearings and crankshaft arm when crankshaft is moved fully forward or backward with a dial indicator (A). Standard and Limit

: Refer to EM-255, "Cylinder Block".

• If the measured value exceeds the limit, replace thrust bearings, and measure again. If it still exceeds the limit, replace crankshaft also. PBIC3762E

CONNECTING ROD SIDE CLEARANCE • Measure the side clearance between connecting rod and crankshaft arm with a feeler gauge (A). Standard and Limit : Refer to EM-255, "Cylinder Block". • If the measured value exceeds the limit, replace connecting rod, and measure again. If it still exceeds the limit, replace crankshaft also. PBIC3763E

PISTON TO PISTON PIN OIL CLEARANCE Piston Pin Hole Diameter

EM-236


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