Suzuki Samurai 1986, Service Manual

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1) Disconnect lead wire from oil pressure
switch.
2) Remove oil pressure switch from cylinder
block.
6) After checking oil pressure, stop engine and
remove oil pressure gauge.
7) Before reinstalling oil pressure switch, be
sure to wrap its screw threads with sealing
tape and tighten switch to specified torque.
NOTE:
l
If sealing tape is bulged out from screw
threads of switch, cut off edge.
After installing oil pressure switch, start
engine and check switch for oil leakage.
Fig. 3-8-8 Oil pressure switch
3) Install oil pressure gauge (special tool)
to vacated threaded hole.
Vacuum Measurement
Engine vacuum that develops in intake line is a
good indicator of engine condition. Vacuum
checking procedure is as follows:
1. Oil pressure gauge tool
Fig. 3-8-9 Oil pressure gauge installation
4)Start engine and warm it up to normal
operating temperature.
5) After warming up, raise engine speed to
3,000 and measure oil pressure.
Oil pressure
specification
3.0-4.2
42.7
59.7 psi
at 3,000
1) Warm up engine to normal operating tempe-
rature.
2) Install vacuum gauge as
shown in Fig. 3-8-10. Install engine tacho-
meter.
Fig.
3-56