Subaru Crosstrek Service Manual: Engine lubrication system trouble in general Inspection

Subaru Crosstrek Service Manual / Lubrication(h4do) / Engine lubrication system trouble in general Inspection

LUBRICATION(H4DO) > Engine Lubrication System Trouble in General

INSPECTION

Before performing diagnostics, make sure that the engine oil level is correct and no oil leakage exists.

Trouble	Possible cause	Corrective action
Warning light remains ON.	a. Oil pressure switch failure
	Cracked diaphragm or oil leakage within switch	Replace.
	Broken spring or seized contacts	Replace.
	b. Low oil pressure
	Clogging of oil filter	Replace.
	Malfunction of oil by-pass valve in oil filter	Replace.
	Clogged oil passage	Clean.
	Excessive tip clearance and side clearance of oil pump rotor	Replace.
	Clogged oil strainer or broken pipe	Clean or replace.
	c. No oil pressure
	Insufficient engine oil (degradation, etc.)	Replace.
	Broken pipe of oil strainer	Replace.
	Stuck oil pump rotor	Replace.
Warning light does not illuminate.	a. Malfunction of combination meter	Replace.
	b. Poor contact of switch contact points	Replace.
	c. Disconnection of wiring	Repair.
Warning light flickers momentarily.	a. Defective terminal contact	Repair.
	b. Defective wiring harness	Repair.
	c. Oil pressure switch failure
	Cracked diaphragm or oil leakage within switch	Replace.
	Broken spring or seized contacts	Replace.
	d. Low oil pressure
	Clogging of oil filter	Replace.
	Malfunction of oil by-pass valve in oil filter	Replace.
	Clogged oil passage	Clean.
	Excessive tip clearance and side clearance of oil pump rotor	Replace.
	Clogged oil strainer or broken pipe	Clean or replace.

Wiring diagram

LUBRICATION(H4DO) > Oil Pressure SystemWIRING DIAGRAMOil pressure warning system Oil Pressure Warning Light System > WIRING DIAGRAM"> ...

Oil pump Specification

LUBRICATION(H4DO) > Oil PumpSPECIFICATIONThe oil pump cannot be disassembled.Refer to “Chain Cover” for removal and installation procedures. Chain Cover > REMOVAL"> Chain C ...

Other materials:

Removal
GLASS/WINDOWS/MIRRORS > Front Regulator and Motor AssemblyREMOVAL1. Disconnect the ground cable from battery and wait for at least 60 seconds before starting work. NOTE">2. Remove the trim panel - front door. Door Trim > REMOVAL">3. Remove the sealing cover - front door. Fro ...

Shift lock function
The shift lock mechanism in the Subaru Ascent is designed to enhance safety by preventing unintended or incorrect operation of the select lever. This system ensures that gear changes occur only under appropriate conditions. In the Subaru Ascent, the select lever can only be operated when the ...

Features
The multi function display has the following functions. Description Displays useful messages, such as warning information, etc. Displays basic screens (e.g. fuel consumption screen, etc.) Sets and adjusts maintenance notification Registers driving history Sets and customizes car operation ...