Nissan Frontier. Manual - part 716
TIMING CHAIN
EM-53
< REMOVAL AND INSTALLATION >
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• When inserting crankshaft pulley with a plastic hammer, tap on its center portion (not circumference).
CAUTION:
Do not damage front oil seal lip section.
21. Tighten crankshaft pulley bolt.
• Secure crankshaft pulley using suitable tool, and tighten crankshaft pulley bolt.
a. Apply new engine oil to thread and seat surfaces of crankshaft pulley bolt.
b. Tighten crankshaft pulley bolt.
c. Put a paint mark on crankshaft pulley, mating with any one of six
easy to recognize angle marks on bolt flange.
d. Turn another 60
° degrees clockwise (angle tightening).
• Check the tightening angle with movement of one angle mark.
22. Installation is in the reverse order of removal.
INSPECTION AFTER INSTALLATION
• Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to
MA-16, "FOR USA AND CANADA : Fluids and Lubricants"
(United
States and Canada).
• Use procedure below to check for fuel leakage.
• Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-
age at connection points.
• Start engine. With engine speed increased, check again for fuel leakage at connection points.
• Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal and installation, slack in the guide
may generate a pounding noise during and just after engine start. However, this is normal. Noise will stop
after hydraulic pressure rises.
• Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gas, or any oils/fluids including
engine oil and engine coolant.
• Bleed air from passages in lines and hoses, such as in cooling system.
• After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to spec-
ified level, if necessary.
• Summary of the inspection items:
*Power steering fluid, brake fluid, etc.
Crankshaft pulley bolt
: 42.1 N·m (4.3 kg-m, 31 ft-lb)
SEM751G
Item
Before starting engine
Engine running
After engine stopped
Engine coolant
Level
Leakage
Level
Engine oil
Level
Leakage
Level
Transmission/
transaxle fluid
A/T and CVT Models
Leakage
Level/Leakage
Leakage
M/T Models
Level/Leakage
Leakage
Level/Leakage
Other oils and fluids*
Level
Leakage
Level
Fuel
Leakage
Leakage
Leakage
Exhaust gas
—
Leakage
—