Pathfinder 2WD V6-4.0L (VQ40DE) (2009)
Timing Chain: Service and Repair
Removal and Installation
TIMING CHAIN
Removal and Installation
NOTE:
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This section describes procedures for removing/installing front timing chain case and timing chain related parts, and rear timing chain case, when
oil pan (upper) needs to be removed/installed for engine overhaul, etc.
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To remove/install front timing chain case, timing chain, and its related parts without removing oil pan (upper), refer to See: Timing Cover/Service
and Repair/Front Timing Chain Case.
REMOVAL
1. Remove engine room cover using power tool. Refer to See: Service and Repair/Removal and Replacement/Engine Cover.
2. Release the fuel pressure. Refer to See: Powertrain Management/Fuel Delivery and Air Induction/Testing and Inspection/Component Tests and
General Diagnostics/Fuel Pressure Check.
3. Drain engine oil. Refer to .
CAUTION:
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Perform this step when engine is cold.
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Do not spill engine oil on drive belts.
4. Drain engine coolant from radiator. Refer to See: Cooling System/Coolant/Service and Repair.
CAUTION:
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Perform this step when engine is cold.
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Do not spill engine coolant on drive belts.
5. Remove radiator cooling fan assembly. Refer to See: Cooling System/Radiator Cooling Fan/Service and Repair/Removal And Installation
(Crankshaft Driven Type).
6. Separate engine harnesses removing their brackets from front timing chain case.
7. Remove drive belts. Refer to See: Drive Belts, Mounts, Brackets and Accessories/Drive Belt/Service and Repair/Removal and Installation.
8. Remove power steering oil pump from bracket with piping connected, and temporarily secure it aside. Refer to See: Steering and
Suspension/Steering/Power Steering/Power Steering Pump/Service and Repair/Removal and Replacement.
9. Remove power steering oil pump bracket. Refer to See: Steering and Suspension/Steering/Power Steering/Power Steering Pump/Service and
Repair/Removal and Replacement.
10. Remove generator. Refer to See: Starting and Charging/Charging System/Alternator/Service and Repair.
11. Remove water bypass hose, water hose clamp and idler pulley bracket from front timing chain case.
12. Remove right and left intake valve timing control covers.
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Loosen bolts in reverse order as shown.
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Cut liquid gasket for removal using Tool.
Tool number : KV10111100 (J-37228)
CAUTION:
Shaft is internally jointed with camshaft sprocket (INT) center hole. When removing, keep it horizontal until it is completely disconnected.