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:

Replacement
DIFFERENTIALS > Rear Differential Front Oil SealREPLACEMENT1. Shift the select lever or gear shift lever to neutral.2. Release the parking brake.3. Disconnect the ground cable from battery.4. Lift up the vehicle.5. Drain differential gear oil. Differential Gear Oil > REPLACEMENT">6. R ...

Dtc u0100 lost communication with ecm/pcm a
CONTINUOUSLY VARIABLE TRANSMISSION (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC U0100 LOST COMMUNICATION WITH ECM/PCM “A”NOTE:Refer to “LAN SYSTEM (DIAGNOSTICS)” for diagnostic procedures. Basic Diagnostic Procedure">1. OUTLINE OF DIA ...

Using aha application
1. When the top screen is displayed, touch the station key. Example of the main screen 2. Select the desired station from the list. The selected station is displayed. NOTE The following operations are not available on this system. Perform these operations on the smartphone. Add ...