Removal and Installation (Primary Timing Chain Tensioner): Removal
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.
- Remove front under cover using power tool. Refer to Removal and Installation .
- Disconnect crankcase ventilation hose and remove air duct and resonator assembly. Refer to Removal and Installation .
- Partially drain the engine coolant. Refer to Changing Engine Coolant .
- Remove lower fan shroud. Refer to Exploded View .
- Remove upper fan shroud. Refer to Exploded View .
- Disconnect the harness connector from MAF/IAT sensor and remove air cleaner case (upper). Refer to Removal and Installation .
- Disconnect upper radiator hose from radiator.
- Disconnect and remove engine cooling fan (Crankshaft driven type). Refer to Removal and Installation (Crankshaft driven type) .
- Remove chain tensioner cover.
- Remove timing chain tensioner (primary) as follows:
- Loosen clip of timing chain tensioner (primary), and release plunger stopper (1).
- Depress plunger into tensioner body by pressing slack guide (2).
- Keep slack guide pressed and insert stopper pin through the tensioner body hole and plunger groove (3) to hold plunger in.
- Remove timing chain tensioner bolts and remove timing chain tensioner (primary).CAUTION: Be careful not to drop timing chain tensioner bolts inside timing chain case.
- Loosen clip of timing chain tensioner (primary), and release plunger stopper (1).