Oil Pressure Check

NOTE: Prior to checking oil pressure, check the followings.

Oil level in oil pan
If oil level is low, add oil up to Full level hole on oil level gauge.
Oil quality
If oil is discolored or deteriorated, change it.

For particular oil to be used, refer to ENGINE OIL AND FILTER CHANGE .
Oil leaks
If leak is found, repair it.

Disconnect suction hose and discharge hose from A/C compressor referring to COMPRESSOR ASSEMBLY REMOVAL AND INSTALLATION .
Remove oil pressure switch (1) from cylinder block.

Fig 1: Locating Oil Pressure Switch
Courtesy of SUZUKI OF AMERICA CORP.
Remove steering lower shaft assembly referring to STEERING LOWER SHAFT ASSEMBLY REMOVAL AND INSTALLATION .
Install special tool (oil pressure gauge) to vacated threaded hole.
Use oil pressure gauge (special tool (A) with special tool (B) instead of the steel adaptor supplied in special tool (A).

Special Tool
1. 09915-77311
2. 09915-76510
  
  Fig 2: Checking Oil Pressure
  Courtesy of SUZUKI OF AMERICA CORP.
Start engine and warm it up to normal operating temperature.
After warming up, raise engine speed to 3,000 RPM and measure oil pressure.
Oil pressure specifications

250 kPa (2.5 kg/cm ² , 36.25 psi) or more at 3,000 RPM
After checking oil pressure, stop engine and remove oil pressure gauge.
Before reinstalling oil pressure switch, be sure to wrap its screw threads with sealing tape and tighten switch to specified torque.
NOTE: If sealing tape edge is bulged out from screw threads of switch, cut it off.

Tightening torque

Oil pressure switch a: 13 N.m (1.3 kg-m, 9.5 lb-ft)

Fig 3: Locating Oil Pressure Switch
Courtesy of SUZUKI OF AMERICA CORP.
Connect suction hose and discharge hose to A/C compressor referring to COMPRESSOR ASSEMBLY REMOVAL AND INSTALLATION .
Start engine and check oil pressure switch for oil leakage.