Nissan Sentra B18 (2020-2025) Service Manual: Oil Pan (lower)

Exploded View

Exploded View

1.	Rear oil seal	2.	O-ring	3.	Oil pan (upper)
4.	Drain plug	5.	Drain plug washer	6.	Oil pan (lower)
7.	O-ring	8.	Crankshaft position sensor (POS)	9.	Oil level gauge
10.	Oil level gauge guide	A.	To oil cooler. Refer to Exploded View.	B.	Oil pan (lower) side
C.	Refer to Removal and Installation.	D.	Refer to Removal and Installation.

Removal and Installation

Removal and Installation

REMOVAL

Drain engine oil. Refer to Draining.

Remove oil pan (lower) using the following procedure: Loosen oil pan (lower) bolts in reverse of the sequence shown.

: Engine front

Insert Tool (A) between oil pan (upper) and oil pan (lower).

CAUTION:

• Be careful not to damage the mating surface.

• Since factory default liquid gasket has better adhesion than conventional one, do not pick the area forcibly with a screw driver.

Tool number

: KV10111100 (NI-37228)

INSTALLATION

Install oil pan (lower) using the following procedure: Use a suitable tool (A) to remove old liquid gasket from mating surfaces.

• Also remove old liquid gasket from mating surface of oil pan (upper).

• Remove old liquid gasket from the bolt holes and threads.

CAUTION:

Do not scratch or damage the mating surface when cleaning off old liquid gasket.

Apply a continuous bead of liquid gasket (C) with a suitable tool as shown.

(1)	: Oil pan (lower)
(B)	: 7.5 - 8.5 mm (0.295 - 0.374 in)
(D)	: 4.0 - 5.0 mm (0.157 - 0.197 in)
	: Engine outside

Use Genuine Silicone RTV Sealant or equivalent. Refer to Recommended Chemical Products and Sealants.

CAUTION:

• The components must be installed within 5 minutes of the liquid gasket application.

• Do not confirm torque after 5 minutes have elapsed.

• Then allow 30 minutes for the liquid gasket to set before adding oil to the engine.

Tighten oil pan (lower) bolts to the specified torque in the sequence shown.

Oil pan (lower) bolts

: 10.1 N·m (1.0 kg-m, 7 ft-lb)

Install drain plug.

CAUTION:

Do not reuse drain plug washer.

Installation of the remaining components is in the reverse order of removal.

• Refill engine oil, refer to Refilling.

  Note:

  Wait at least 30 minutes after oil pan (lower) is installed before refilling engine oil.

Inspection

Inspection

INSPECTION AFTER REMOVAL

Clean oil strainer portion [part of the oil pan (upper)] if any object attached.

INSPECTION AFTER INSTALLATION

Check the engine oil level and adjust engine oil. Refer to Inspection.

Stop engine and wait for 10 minutes.

Check the engine oil level again. Refer to Inspection.