Diagnostic Information And Procedures; Engine Lubrication Symptom Diagnosis; Oil Pressure Check - Suzuki Intruder VZ1500 Service Manual

Engine Lubrication Symptom Diagnosis

Condition
Engine overheats
Exhaust smoke is dirty or
thick
Engine lacks power

Oil Pressure Check

Check the engine oil pressure periodically. This will give
a good indication of the condition of the moving parts.
NOTE
Before checking the oil pressure, check the
following:
• Oil level (Refer to "Engine Oil and Filter
Replacement in Section 0B (Page 0B-8)".)
• Oil leaks (If leak is found, repair it.)
• Oil quality (If oil is discolored or
deteriorated, replace it.)
1) Start the engine and check if the oil pressure
indicator light is turned on. If the light stays on, check
the oil pressure indicator light circuit. If the circuit is
OK, check the oil pressure in the following manner.
2) Place an oil pan bellow the engine, and remove the
main oil gallery plug (1).
1

Diagnostic Information and Procedures

Possible cause
Insufficient amount of engine oil.
Defective oil pump.
Clogged oil circuit.
Clogged oil cooler
Incorrect engine oil.
Excessive amount of engine oil.
Excessive amount of engine oil.
B940H21504002
I940H1150001-01
Engine Lubrication System:
Correction / Reference Item
Check level and add.
Replace.
Clean.
Clean or replace.
Change.
Check level and drain.
Check level and drain.
3) Install the oil pressure gauge and attachment into
the main oil gallery.
Special tool
(A): 09915–74521 (Oil pressure gauge hose)
(B): 09915–74533 (Oil pressure gauge
attachment)
(C): 09915–77331 (Meter (for high
pressure))
(C)
4) Connect the tachometer to the high-tension cord.
Special tool
(D): 09900–26006 (Engine tachometer (solar
cell type))
5) Warm up the engine as follows:
Summer: 5 min. at idle r/min
Winter: 8 min. at idle r/min
1E-2
B940H21504001
(B)
(A)
I940H1150002-02
(D)
I940H1150003-02